From e32c52a9b966aeb05a381b1bc347997c8571e720 Mon Sep 17 00:00:00 2001 From: qhuang8 Date: Thu, 19 Jul 2007 10:28:56 +0000 Subject: Remove old modules after Remove old modules after renaming. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3374 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Universal/EmuVariableRuntimeDxe/EmuVariable.c | 849 ----------- .../EmuVariableRuntimeDxe/EmuVariable.msa | 75 - .../EmuVariableRuntimeDxe.inf | 106 -- .../Universal/EmuVariableRuntimeDxe/InitVariable.c | 214 --- .../Universal/EmuVariableRuntimeDxe/Variable.h | 171 --- .../RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c | 173 --- .../PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c | 1071 -------------- .../PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h | 514 ------- .../RealTimeClockRuntimeDxe.inf | 105 -- .../RealTimeClockRuntimeDxe.msa | 79 -- .../Universal/VariablePei/Ipf/VariableWorker.c | 57 - MdeModulePkg/Universal/VariablePei/Variable.c | 522 ------- MdeModulePkg/Universal/VariablePei/Variable.dxs | 32 - MdeModulePkg/Universal/VariablePei/Variable.h | 193 --- MdeModulePkg/Universal/VariablePei/Variable.msa | 76 - MdeModulePkg/Universal/VariablePei/VariablePei.inf | 69 - .../Universal/VariablePei/VariableWorker.c | 63 - .../Universal/VariableRuntimeDxe/InitVariable.c | 229 --- .../Universal/VariableRuntimeDxe/Variable.c | 1477 -------------------- .../Universal/VariableRuntimeDxe/Variable.h | 175 --- .../Universal/VariableRuntimeDxe/Variable.msa | 108 -- .../VariableRuntimeDxe/VariableRuntimeDxe.inf | 74 - .../Universal/VariableRuntimeDxe/reclaim.c | 242 ---- 23 files changed, 6674 deletions(-) delete mode 100644 MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.c delete mode 100644 MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.msa delete mode 100644 MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariableRuntimeDxe.inf delete mode 100644 MdeModulePkg/Universal/EmuVariableRuntimeDxe/InitVariable.c delete mode 100644 MdeModulePkg/Universal/EmuVariableRuntimeDxe/Variable.h delete mode 100644 MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c delete mode 100644 MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c delete mode 100644 MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h delete mode 100644 MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf delete mode 100644 MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa delete mode 100644 MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c delete mode 100644 MdeModulePkg/Universal/VariablePei/Variable.c delete mode 100644 MdeModulePkg/Universal/VariablePei/Variable.dxs delete mode 100644 MdeModulePkg/Universal/VariablePei/Variable.h delete mode 100644 MdeModulePkg/Universal/VariablePei/Variable.msa delete mode 100644 MdeModulePkg/Universal/VariablePei/VariablePei.inf delete mode 100644 MdeModulePkg/Universal/VariablePei/VariableWorker.c delete mode 100644 MdeModulePkg/Universal/VariableRuntimeDxe/InitVariable.c delete mode 100644 MdeModulePkg/Universal/VariableRuntimeDxe/Variable.c delete mode 100644 MdeModulePkg/Universal/VariableRuntimeDxe/Variable.h delete mode 100644 MdeModulePkg/Universal/VariableRuntimeDxe/Variable.msa delete mode 100644 MdeModulePkg/Universal/VariableRuntimeDxe/VariableRuntimeDxe.inf delete mode 100644 MdeModulePkg/Universal/VariableRuntimeDxe/reclaim.c diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.c b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.c deleted file mode 100644 index f56cf04..0000000 --- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.c +++ /dev/null @@ -1,849 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, 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. - -Module Name: - - EmuVariable.c - -Abstract: - -Revision History - ---*/ - -#include "Variable.h" - -// -// Don't use module globals after the SetVirtualAddress map is signaled -// -ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal; - -// -// This is a temperary function which will be removed -// when EfiAcquireLock in UefiLib can handle the -// the call in UEFI Runtimer driver in RT phase. -// -STATIC -VOID -AcquireLockOnlyAtBootTime ( - IN EFI_LOCK *Lock - ) -{ - if (!EfiAtRuntime ()) { - EfiAcquireLock (Lock); - } -} - -// -// This is a temperary function which will be removed -// when EfiAcquireLock in UefiLib can handle the -// the call in UEFI Runtimer driver in RT phase. -// -STATIC -VOID -ReleaseLockOnlyAtBootTime ( - IN EFI_LOCK *Lock - ) -{ - if (!EfiAtRuntime ()) { - EfiReleaseLock (Lock); - } -} - -STATIC -UINT8 * -EFIAPI -GetVariableDataPtr ( - IN VARIABLE_HEADER *Variable - ) -/*++ - -Routine Description: - - This code gets the pointer to the variable data. - -Arguments: - - Variable Pointer to the Variable Header. - -Returns: - - UINT8* Pointer to Variable Data - ---*/ -{ - if (Variable->StartId != VARIABLE_DATA) { - return NULL; - } - // - // Be careful about pad size for alignment - // - return (UINT8 *) ((UINTN) GET_VARIABLE_NAME_PTR (Variable) + Variable->NameSize + GET_PAD_SIZE (Variable->NameSize)); -} - -STATIC -VARIABLE_HEADER * -EFIAPI -GetNextVariablePtr ( - IN VARIABLE_HEADER *Variable - ) -/*++ - -Routine Description: - - This code gets the pointer to the next variable header. - -Arguments: - - Variable Pointer to the Variable Header. - -Returns: - - VARIABLE_HEADER* Pointer to next variable header. - ---*/ -{ - VARIABLE_HEADER *VarHeader; - - if (Variable->StartId != VARIABLE_DATA) { - return NULL; - } - // - // Be careful about pad size for alignment - // - VarHeader = (VARIABLE_HEADER *) (GetVariableDataPtr (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize)); - - if (VarHeader->StartId != VARIABLE_DATA || - (sizeof (VARIABLE_HEADER) + VarHeader->DataSize + VarHeader->NameSize) > MAX_VARIABLE_SIZE - ) { - return NULL; - } - - return VarHeader; -} - -STATIC -VARIABLE_HEADER * -EFIAPI -GetEndPointer ( - IN VARIABLE_STORE_HEADER *VolHeader - ) -/*++ - -Routine Description: - - This code gets the pointer to the last variable memory pointer byte - -Arguments: - - Variable Pointer to the Variable Header. - -Returns: - - VARIABLE_HEADER* Pointer to last unavailable Variable Header - ---*/ -{ - // - // The end of variable store - // - return (VARIABLE_HEADER *) ((UINTN) VolHeader + VolHeader->Size); -} - -STATIC -EFI_STATUS -EFIAPI -FindVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - OUT VARIABLE_POINTER_TRACK *PtrTrack, - IN VARIABLE_GLOBAL *Global - ) -/*++ - -Routine Description: - - This code finds variable in storage blocks (Volatile or Non-Volatile) - -Arguments: - - VariableName Name of the variable to be found - VendorGuid Vendor GUID to be found. - PtrTrack Variable Track Pointer structure that contains - Variable Information. - Contains the pointer of Variable header. - Global VARIABLE_GLOBAL pointer - -Returns: - - EFI STATUS - ---*/ -{ - VARIABLE_HEADER *Variable[2]; - VARIABLE_STORE_HEADER *VariableStoreHeader[2]; - UINTN Index; - - // - // We aquire the lock at the entry of FindVariable as GetVariable, GetNextVariableName - // SetVariable all call FindVariable at entry point. Please move "Aquire Lock" to - // the correct places if this assumption does not hold TRUE anymore. - // - AcquireLockOnlyAtBootTime(&Global->VariableServicesLock); - - // - // 0: Non-Volatile, 1: Volatile - // - VariableStoreHeader[0] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase); - VariableStoreHeader[1] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase); - - // - // Start Pointers for the variable. - // Actual Data Pointer where data can be written. - // - Variable[0] = (VARIABLE_HEADER *) (VariableStoreHeader[0] + 1); - Variable[1] = (VARIABLE_HEADER *) (VariableStoreHeader[1] + 1); - - if (VariableName[0] != 0 && VendorGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // Find the variable by walk through non-volatile and volatile variable store - // - for (Index = 0; Index < 2; Index++) { - PtrTrack->StartPtr = (VARIABLE_HEADER *) (VariableStoreHeader[Index] + 1); - PtrTrack->EndPtr = GetEndPointer (VariableStoreHeader[Index]); - - while ((Variable[Index] != NULL) && (Variable[Index] <= GetEndPointer (VariableStoreHeader[Index]))) { - if (Variable[Index]->StartId == VARIABLE_DATA && Variable[Index]->State == VAR_ADDED) { - if (!(EfiAtRuntime () && !(Variable[Index]->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) { - if (VariableName[0] == 0) { - PtrTrack->CurrPtr = Variable[Index]; - PtrTrack->Volatile = (BOOLEAN) Index; - return EFI_SUCCESS; - } else { - if (CompareGuid (VendorGuid, &Variable[Index]->VendorGuid)) { - if (!CompareMem (VariableName, GET_VARIABLE_NAME_PTR (Variable[Index]), Variable[Index]->NameSize)) { - PtrTrack->CurrPtr = Variable[Index]; - PtrTrack->Volatile = (BOOLEAN) Index; - return EFI_SUCCESS; - } - } - } - } - } - - Variable[Index] = GetNextVariablePtr (Variable[Index]); - } - } - PtrTrack->CurrPtr = NULL; - return EFI_NOT_FOUND; -} - -EFI_STATUS -EFIAPI -GetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID * VendorGuid, - OUT UINT32 *Attributes OPTIONAL, - IN OUT UINTN *DataSize, - OUT VOID *Data, - IN VARIABLE_GLOBAL * Global, - IN UINT32 Instance - ) -/*++ - -Routine Description: - - This code finds variable in storage blocks (Volatile or Non-Volatile) - -Arguments: - - VariableName Name of Variable to be found - VendorGuid Variable vendor GUID - Attributes OPTIONAL Attribute value of the variable found - DataSize Size of Data found. If size is less than the - data, this value contains the required size. - Data Data pointer - Global Pointer to VARIABLE_GLOBAL structure - Instance Instance of the Firmware Volume. - -Returns: - - EFI STATUS - ---*/ -{ - VARIABLE_POINTER_TRACK Variable; - UINTN VarDataSize; - EFI_STATUS Status; - - if (VariableName == NULL || VendorGuid == NULL || DataSize == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // Find existing variable - // - Status = FindVariable (VariableName, VendorGuid, &Variable, Global); - - if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) { - goto Done; - } - // - // Get data size - // - VarDataSize = Variable.CurrPtr->DataSize; - if (*DataSize >= VarDataSize) { - if (Data == NULL) { - Status = EFI_INVALID_PARAMETER; - goto Done; - } - - CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize); - if (Attributes != NULL) { - *Attributes = Variable.CurrPtr->Attributes; - } - - *DataSize = VarDataSize; - Status = EFI_SUCCESS; - goto Done; - } else { - *DataSize = VarDataSize; - Status = EFI_BUFFER_TOO_SMALL; - goto Done; - } - -Done: - ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock); - return Status; -} - -EFI_STATUS -EFIAPI -GetNextVariableName ( - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VendorGuid, - IN VARIABLE_GLOBAL *Global, - IN UINT32 Instance - ) -/*++ - -Routine Description: - - This code Finds the Next available variable - -Arguments: - - VariableNameSize Size of the variable - VariableName Pointer to variable name - VendorGuid Variable Vendor Guid - Global VARIABLE_GLOBAL structure pointer. - Instance FV instance - -Returns: - - EFI STATUS - ---*/ -{ - VARIABLE_POINTER_TRACK Variable; - UINTN VarNameSize; - EFI_STATUS Status; - - if (VariableNameSize == NULL || VariableName == NULL || VendorGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - - Status = FindVariable (VariableName, VendorGuid, &Variable, Global); - - if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) { - goto Done; - } - - while (TRUE) { - if (VariableName[0] != 0) { - // - // If variable name is not NULL, get next variable - // - Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr); - } - // - // If both volatile and non-volatile variable store are parsed, - // return not found - // - if (Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL) { - Variable.Volatile = (BOOLEAN) (Variable.Volatile ^ ((BOOLEAN) 0x1)); - if (Variable.Volatile) { - Variable.StartPtr = (VARIABLE_HEADER *) ((UINTN) (Global->VolatileVariableBase + sizeof (VARIABLE_STORE_HEADER))); - Variable.EndPtr = (VARIABLE_HEADER *) GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase)); - } else { - Status = EFI_NOT_FOUND; - goto Done; - } - - Variable.CurrPtr = Variable.StartPtr; - if (Variable.CurrPtr->StartId != VARIABLE_DATA) { - continue; - } - } - // - // Variable is found - // - if (Variable.CurrPtr->StartId == VARIABLE_DATA && Variable.CurrPtr->State == VAR_ADDED) { - if (!(EfiAtRuntime () && !(Variable.CurrPtr->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) { - VarNameSize = Variable.CurrPtr->NameSize; - if (VarNameSize <= *VariableNameSize) { - CopyMem ( - VariableName, - GET_VARIABLE_NAME_PTR (Variable.CurrPtr), - VarNameSize - ); - CopyMem ( - VendorGuid, - &Variable.CurrPtr->VendorGuid, - sizeof (EFI_GUID) - ); - Status = EFI_SUCCESS; - } else { - Status = EFI_BUFFER_TOO_SMALL; - } - - *VariableNameSize = VarNameSize; - goto Done; - } - } - } - -Done: - ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock); - return Status; - -} - -EFI_STATUS -EFIAPI -SetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data, - IN VARIABLE_GLOBAL *Global, - IN UINTN *VolatileOffset, - IN UINTN *NonVolatileOffset, - IN UINT32 Instance - ) -/*++ - -Routine Description: - - This code sets variable in storage blocks (Volatile or Non-Volatile) - -Arguments: - - VariableName Name of Variable to be found - VendorGuid Variable vendor GUID - Attributes Attribute value of the variable found - DataSize Size of Data found. If size is less than the - data, this value contains the required size. - Data Data pointer - Global Pointer to VARIABLE_GLOBAL structure - VolatileOffset The offset of last volatile variable - NonVolatileOffset The offset of last non-volatile variable - Instance Instance of the Firmware Volume. - -Returns: - - EFI STATUS - ---*/ -{ - VARIABLE_POINTER_TRACK Variable; - EFI_STATUS Status; - VARIABLE_HEADER *NextVariable; - UINTN VarNameSize; - UINTN VarNameOffset; - UINTN VarDataOffset; - UINTN VarSize; - - if (VariableName == NULL || VariableName[0] == 0 || VendorGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - - Status = FindVariable (VariableName, VendorGuid, &Variable, Global); - - if (Status == EFI_INVALID_PARAMETER) { - goto Done; - } else if (!EFI_ERROR (Status) && Variable.Volatile && EfiAtRuntime()) { - // - // If EfiAtRuntime and the variable is Volatile and Runtime Access, - // the volatile is ReadOnly, and SetVariable should be aborted and - // return EFI_WRITE_PROTECTED. - // - Status = EFI_WRITE_PROTECTED; - goto Done; - } else if (sizeof (VARIABLE_HEADER) + (StrSize (VariableName) + DataSize) > MAX_VARIABLE_SIZE) { - // - // The size of the VariableName, including the Unicode Null in bytes plus - // the DataSize is limited to maximum size of MAX_VARIABLE_SIZE (1024) bytes. - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS - ) { - // - // Make sure if runtime bit is set, boot service bit is set also - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) { - // - // Runtime but Attribute is not Runtime - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_NON_VOLATILE)) { - // - // Cannot set volatile variable in Runtime - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if (DataSize == 0 || (Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == 0) { - // - // Setting a data variable with no access, or zero DataSize attributes - // specified causes it to be deleted. - // - if (!EFI_ERROR (Status)) { - Variable.CurrPtr->State &= VAR_DELETED; - Status = EFI_SUCCESS; - goto Done; - } - - Status = EFI_NOT_FOUND; - goto Done; - } else { - if (!EFI_ERROR (Status)) { - // - // If the variable is marked valid and the same data has been passed in - // then return to the caller immediately. - // - if (Variable.CurrPtr->DataSize == DataSize && - !CompareMem (Data, GetVariableDataPtr (Variable.CurrPtr), DataSize) - ) { - Status = EFI_SUCCESS; - goto Done; - } else if (Variable.CurrPtr->State == VAR_ADDED) { - // - // Mark the old variable as in delete transition - // - Variable.CurrPtr->State &= VAR_IN_DELETED_TRANSITION; - } - } - // - // Create a new variable and copy the data. - // - VarNameOffset = sizeof (VARIABLE_HEADER); - VarNameSize = StrSize (VariableName); - VarDataOffset = VarNameOffset + VarNameSize + GET_PAD_SIZE (VarNameSize); - VarSize = VarDataOffset + DataSize + GET_PAD_SIZE (DataSize); - - if (Attributes & EFI_VARIABLE_NON_VOLATILE) { - if ((UINT32) (VarSize +*NonVolatileOffset) > - ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->NonVolatileVariableBase)))->Size - ) { - Status = EFI_OUT_OF_RESOURCES; - goto Done; - } - - NextVariable = (VARIABLE_HEADER *) (UINT8 *) (*NonVolatileOffset + (UINTN) Global->NonVolatileVariableBase); - *NonVolatileOffset = *NonVolatileOffset + VarSize; - } else { - if (EfiAtRuntime ()) { - Status = EFI_INVALID_PARAMETER; - goto Done; - } - - if ((UINT32) (VarSize +*VolatileOffset) > - ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->VolatileVariableBase)))->Size - ) { - Status = EFI_OUT_OF_RESOURCES; - goto Done; - } - - NextVariable = (VARIABLE_HEADER *) (UINT8 *) (*VolatileOffset + (UINTN) Global->VolatileVariableBase); - *VolatileOffset = *VolatileOffset + VarSize; - } - - NextVariable->StartId = VARIABLE_DATA; - NextVariable->Attributes = Attributes; - NextVariable->State = VAR_ADDED; - NextVariable->Reserved = 0; - - // - // There will be pad bytes after Data, the NextVariable->NameSize and - // NextVariable->NameSize should not include pad size so that variable - // service can get actual size in GetVariable - // - NextVariable->NameSize = (UINT32)VarNameSize; - NextVariable->DataSize = (UINT32)DataSize; - - CopyMem (&NextVariable->VendorGuid, VendorGuid, sizeof (EFI_GUID)); - CopyMem ( - (UINT8 *) ((UINTN) NextVariable + VarNameOffset), - VariableName, - VarNameSize - ); - CopyMem ( - (UINT8 *) ((UINTN) NextVariable + VarDataOffset), - Data, - DataSize - ); - - // - // Mark the old variable as deleted - // - if (!EFI_ERROR (Status)) { - Variable.CurrPtr->State &= VAR_DELETED; - } - } - - Status = EFI_SUCCESS; -Done: - ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock); - return Status; -} - -EFI_STATUS -EFIAPI -QueryVariableInfo ( - IN UINT32 Attributes, - OUT UINT64 *MaximumVariableStorageSize, - OUT UINT64 *RemainingVariableStorageSize, - OUT UINT64 *MaximumVariableSize, - IN VARIABLE_GLOBAL *Global, - IN UINT32 Instance - ) -/*++ - -Routine Description: - - This code returns information about the EFI variables. - -Arguments: - - Attributes Attributes bitmask to specify the type of variables - on which to return information. - MaximumVariableStorageSize Pointer to the maximum size of the storage space available - for the EFI variables associated with the attributes specified. - RemainingVariableStorageSize Pointer to the remaining size of the storage space available - for the EFI variables associated with the attributes specified. - MaximumVariableSize Pointer to the maximum size of the individual EFI variables - associated with the attributes specified. - Global Pointer to VARIABLE_GLOBAL structure. - Instance Instance of the Firmware Volume. - -Returns: - - EFI STATUS - EFI_INVALID_PARAMETER - An invalid combination of attribute bits was supplied. - EFI_SUCCESS - Query successfully. - EFI_UNSUPPORTED - The attribute is not supported on this platform. - ---*/ -{ - VARIABLE_HEADER *Variable; - VARIABLE_HEADER *NextVariable; - UINT64 VariableSize; - VARIABLE_STORE_HEADER *VariableStoreHeader; - - if(MaximumVariableStorageSize == NULL || RemainingVariableStorageSize == NULL || MaximumVariableSize == NULL) { - return EFI_INVALID_PARAMETER; - } - - if((Attributes & (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)) == 0) { - // - // Make sure the Attributes combination is supported by the platform. - // - return EFI_UNSUPPORTED; - } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS) { - // - // Make sure if runtime bit is set, boot service bit is set also. - // - return EFI_INVALID_PARAMETER; - } else if (EfiAtRuntime () && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) { - // - // Make sure RT Attribute is set if we are in Runtime phase. - // - return EFI_INVALID_PARAMETER; - } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_NON_VOLATILE)) { - // - // Cannot Query volatile variable in Runtime - // - return EFI_INVALID_PARAMETER; - } - - AcquireLockOnlyAtBootTime(&Global->VariableServicesLock); - - if((Attributes & EFI_VARIABLE_NON_VOLATILE) == 0) { - // - // Query is Volatile related. - // - VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase); - } else { - // - // Query is Non-Volatile related. - // - VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase); - } - - // - // Now let's fill *MaximumVariableStorageSize *RemainingVariableStorageSize - // with the storage size (excluding the storage header size) - // - *MaximumVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER); - *RemainingVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER); - - // - // Let *MaximumVariableSize be MAX_VARIABLE_SIZE - // - *MaximumVariableSize = MAX_VARIABLE_SIZE; - - // - // Point to the starting address of the variables. - // - Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1); - - // - // Now walk through the related variable store. - // - while (Variable < GetEndPointer (VariableStoreHeader)) { - if (Variable->StartId != VARIABLE_DATA) { - break; - } - - NextVariable = (VARIABLE_HEADER *) (GetVariableDataPtr (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize)); - VariableSize = (UINT64) (UINTN) NextVariable - (UINT64) (UINTN) Variable; - - if (Variable->State == VAR_ADDED) { - *RemainingVariableStorageSize -= VariableSize; - } - - // - // Go to the next one. - // - Variable = NextVariable; - } - - ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock); - return EFI_SUCCESS; -} - -STATIC -EFI_STATUS -EFIAPI -InitializeVariableStore ( - OUT EFI_PHYSICAL_ADDRESS *VariableBase, - OUT UINTN *LastVariableOffset - ) -/*++ - -Routine Description: - This function initializes variable store - -Arguments: - -Returns: - ---*/ -{ - VARIABLE_STORE_HEADER *VariableStore; - - // - // Allocate memory for volatile variable store - // - VariableStore = (VARIABLE_STORE_HEADER *) AllocateRuntimePool ( - VARIABLE_STORE_SIZE - ); - if (NULL == VariableStore) { - return EFI_OUT_OF_RESOURCES; - } - - SetMem (VariableStore, VARIABLE_STORE_SIZE, 0xff); - - // - // Variable Specific Data - // - *VariableBase = (EFI_PHYSICAL_ADDRESS) (UINTN) VariableStore; - *LastVariableOffset = sizeof (VARIABLE_STORE_HEADER); - - VariableStore->Signature = VARIABLE_STORE_SIGNATURE; - VariableStore->Size = VARIABLE_STORE_SIZE; - VariableStore->Format = VARIABLE_STORE_FORMATTED; - VariableStore->State = VARIABLE_STORE_HEALTHY; - VariableStore->Reserved = 0; - VariableStore->Reserved1 = 0; - - return EFI_SUCCESS; -} - -EFI_STATUS -EFIAPI -VariableCommonInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -/*++ - -Routine Description: - This function does common initialization for variable services - -Arguments: - -Returns: - ---*/ -{ - EFI_STATUS Status; - - // - // Allocate memory for mVariableModuleGlobal - // - mVariableModuleGlobal = (ESAL_VARIABLE_GLOBAL *) AllocateRuntimePool ( - sizeof (ESAL_VARIABLE_GLOBAL) - ); - if (NULL == mVariableModuleGlobal) { - return EFI_OUT_OF_RESOURCES; - } - - EfiInitializeLock(&mVariableModuleGlobal->VariableGlobal[Physical].VariableServicesLock, TPL_NOTIFY); - - // - // Intialize volatile variable store - // - Status = InitializeVariableStore ( - &mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase, - &mVariableModuleGlobal->VolatileLastVariableOffset - ); - - if (EFI_ERROR (Status)) { - return Status; - } - // - // Intialize non volatile variable store - // - Status = InitializeVariableStore ( - &mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase, - &mVariableModuleGlobal->NonVolatileLastVariableOffset - ); - - return Status; -} diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.msa b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.msa deleted file mode 100644 index 6e769aa..0000000 --- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.msa +++ /dev/null @@ -1,75 +0,0 @@ - - - - EmuVariable - DXE_RUNTIME_DRIVER - CBD2E4D5-7068-4FF5-B866-9822B4AD8D61 - 1.0 - Emulation Variable for EFI_RUNTIME_SERVICES. - This module provides three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName - Copyright (c) 2006 - 2007, 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. - FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052 - - - IA32 X64 EBC - false - EmuVariable - - - - BaseMemoryLib - - - MemoryAllocationLib - - - DebugLib - - - UefiRuntimeLib - - - UefiDriverEntryPoint - - - UefiBootServicesTableLib - - - UefiLib - - - BaseLib - - - - Variable.h - EmuVariable.c - EmuVariable.dxs - InitVariable.c - - - - - - - - gEfiVariableWriteArchProtocolGuid - - - gEfiVariableArchProtocolGuid - - - - EFI_SPECIFICATION_VERSION 0x00020000 - EDK_RELEASE_VERSION 0x00020000 - - VariableServiceInitialize - - - \ No newline at end of file diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariableRuntimeDxe.inf b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariableRuntimeDxe.inf deleted file mode 100644 index acd3b15..0000000 --- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariableRuntimeDxe.inf +++ /dev/null @@ -1,106 +0,0 @@ -#/** @file -# Emulation Variable for EFI_RUNTIME_SERVICES. -# -# This module provides three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName -# Copyright (c) 2006 - 2007, 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 Section - statements that will be processed to create a Makefile. -# -################################################################################ -[Defines] - INF_VERSION = 0x00010005 - BASE_NAME = EmuVariableRuntimeDxe - FILE_GUID = CBD2E4D5-7068-4FF5-B866-9822B4AD8D61 - MODULE_TYPE = DXE_RUNTIME_DRIVER - VERSION_STRING = 1.0 - EDK_RELEASE_VERSION = 0x00020000 - EFI_SPECIFICATION_VERSION = 0x00020000 - - ENTRY_POINT = VariableServiceInitialize - -# -# The following information is for reference only and not required by the build tools. -# -# VALID_ARCHITECTURES = IA32 X64 EBC -# - -################################################################################ -# -# Sources Section - list of files that are required for the build to succeed. -# -################################################################################ - -[Sources.common] - InitVariable.c - EmuVariable.c - Variable.h - - -################################################################################ -# -# Package Dependency Section - list of Package files that are required for -# this module. -# -################################################################################ - -[Packages] - MdePkg/MdePkg.dec - MdeModulePkg/MdeModulePkg.dec - - -################################################################################ -# -# Library Class Section - list of Library Classes that are required for -# this module. -# -################################################################################ - -[LibraryClasses] - BaseLib - UefiLib - UefiBootServicesTableLib - UefiDriverEntryPoint - UefiRuntimeLib - DebugLib - MemoryAllocationLib - BaseMemoryLib - - -################################################################################ -# -# Protocol C Name Section - list of Protocol and Protocol Notify C Names -# that this module uses or produces. -# -################################################################################ - -[Protocols.IA32] - gEfiVariableArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED - gEfiVariableWriteArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED - -[Protocols.X64] - gEfiVariableArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED - gEfiVariableWriteArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED - - -################################################################################ -# -# Dependency Expression Section - list of Dependency expressions that are required for -# this module. -# -################################################################################ - -[Depex] - TRUE - diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/InitVariable.c b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/InitVariable.c deleted file mode 100644 index efff41c..0000000 --- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/InitVariable.c +++ /dev/null @@ -1,214 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, 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. - -Module Name: - - InitVariable.c - -Abstract: - -Revision History - ---*/ - -#include "Variable.h" - -// -// Don't use module globals after the SetVirtualAddress map is signaled -// -extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal; - -EFI_STATUS -EFIAPI -RuntimeServiceGetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID * VendorGuid, - OUT UINT32 *Attributes OPTIONAL, - IN OUT UINTN *DataSize, - OUT VOID *Data - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - return GetVariable ( - VariableName, - VendorGuid, - Attributes OPTIONAL, - DataSize, - Data, - &mVariableModuleGlobal->VariableGlobal[Physical], - mVariableModuleGlobal->FvbInstance - ); -} - -EFI_STATUS -EFIAPI -RuntimeServiceGetNextVariableName ( - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VendorGuid - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - return GetNextVariableName ( - VariableNameSize, - VariableName, - VendorGuid, - &mVariableModuleGlobal->VariableGlobal[Physical], - mVariableModuleGlobal->FvbInstance - ); -} - -EFI_STATUS -EFIAPI -RuntimeServiceSetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - return SetVariable ( - VariableName, - VendorGuid, - Attributes, - DataSize, - Data, - &mVariableModuleGlobal->VariableGlobal[Physical], - &mVariableModuleGlobal->VolatileLastVariableOffset, - &mVariableModuleGlobal->NonVolatileLastVariableOffset, - mVariableModuleGlobal->FvbInstance - ); -} - -EFI_STATUS -EFIAPI -RuntimeServiceQueryVariableInfo ( - IN UINT32 Attributes, - OUT UINT64 *MaximumVariableStorageSize, - OUT UINT64 *RemainingVariableStorageSize, - OUT UINT64 *MaximumVariableSize - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - return QueryVariableInfo ( - Attributes, - MaximumVariableStorageSize, - RemainingVariableStorageSize, - MaximumVariableSize, - &mVariableModuleGlobal->VariableGlobal[Physical], - mVariableModuleGlobal->FvbInstance - ); -} - -VOID -EFIAPI -VariableClassAddressChangeEvent ( - IN EFI_EVENT Event, - IN VOID *Context - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - EfiConvertPointer ( - 0x0, - (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase - ); - EfiConvertPointer ( - 0x0, - (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase - ); - EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal); -} - -EFI_STATUS -EFIAPI -VariableServiceInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - EFI_HANDLE NewHandle; - EFI_STATUS Status; - - Status = VariableCommonInitialize (ImageHandle, SystemTable); - ASSERT_EFI_ERROR (Status); - - SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable; - SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName; - SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable; - SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo; - - // - // Now install the Variable Runtime Architectural Protocol on a new handle - // - NewHandle = NULL; - Status = gBS->InstallMultipleProtocolInterfaces ( - &NewHandle, - &gEfiVariableArchProtocolGuid, - NULL, - &gEfiVariableWriteArchProtocolGuid, - NULL, - NULL - ); - ASSERT_EFI_ERROR (Status); - - return EFI_SUCCESS; -} diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/Variable.h b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/Variable.h deleted file mode 100644 index 1e445c5..0000000 --- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/Variable.h +++ /dev/null @@ -1,171 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, 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. - -Module Name: - - Variable.h - -Abstract: - ---*/ - -#ifndef _VARIABLE_H -#define _VARIABLE_H - -// -// Statements that include other header files -// -// -// The package level header files this module uses -// -#include -// -// The protocols, PPI and GUID defintions for this module -// -#include -#include -// -// The Library classes this module consumes -// -#include -#include -#include -#include -#include -#include -#include -#include - -// -// BugBug: We need relcate the head file. -// -#include - -#define VARIABLE_STORE_SIZE (64 * 1024) -#define SCRATCH_SIZE (4 * 1024) - -// -// Define GET_PAD_SIZE to optimize compiler -// -#if ((ALIGNMENT == 0) || (ALIGNMENT == 1)) -#define GET_PAD_SIZE(a) (0) -#else -#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1)) -#endif - -#define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER)) - -typedef enum { - Physical, - Virtual -} VARIABLE_POINTER_TYPE; - -typedef struct { - VARIABLE_HEADER *CurrPtr; - VARIABLE_HEADER *EndPtr; - VARIABLE_HEADER *StartPtr; - BOOLEAN Volatile; -} VARIABLE_POINTER_TRACK; - -typedef struct { - EFI_PHYSICAL_ADDRESS VolatileVariableBase; - EFI_PHYSICAL_ADDRESS NonVolatileVariableBase; - EFI_LOCK VariableServicesLock; -} VARIABLE_GLOBAL; - -typedef struct { - VARIABLE_GLOBAL VariableGlobal[2]; - UINTN VolatileLastVariableOffset; - UINTN NonVolatileLastVariableOffset; - UINT32 FvbInstance; -} ESAL_VARIABLE_GLOBAL; - -extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal; - -// -// Functions -// -EFI_STATUS -EFIAPI -VariableCommonInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -; - -EFI_STATUS -EFIAPI -VariableServiceInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -; - -VOID -EFIAPI -VariableClassAddressChangeEvent ( - IN EFI_EVENT Event, - IN VOID *Context - ) -; - -EFI_STATUS -EFIAPI -GetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID * VendorGuid, - OUT UINT32 *Attributes OPTIONAL, - IN OUT UINTN *DataSize, - OUT VOID *Data, - IN VARIABLE_GLOBAL * Global, - IN UINT32 Instance - ) -; - -EFI_STATUS -EFIAPI -GetNextVariableName ( - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VendorGuid, - IN VARIABLE_GLOBAL *Global, - IN UINT32 Instance - ) -; - -EFI_STATUS -EFIAPI -SetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data, - IN VARIABLE_GLOBAL *Global, - IN UINTN *VolatileOffset, - IN UINTN *NonVolatileOffset, - IN UINT32 Instance - ) -; - -EFI_STATUS -EFIAPI -QueryVariableInfo ( - IN UINT32 Attributes, - OUT UINT64 *MaximumVariableStorageSize, - OUT UINT64 *RemainingVariableStorageSize, - OUT UINT64 *MaximumVariableSize, - IN VARIABLE_GLOBAL *Global, - IN UINT32 Instance - ) -; - -#endif diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c deleted file mode 100644 index f0b1640..0000000 --- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c +++ /dev/null @@ -1,173 +0,0 @@ -/*++ - -Copyright (c) 2006, Intel Corporation. All rights reserved.
-This software and associated documentation (if any) is furnished -under a license and may only be used or copied in accordance -with the terms of the license. Except as permitted by such -license, no part of this software or documentation may be -reproduced, stored in a retrieval system, or transmitted in any -form or by any means without the express written consent of -Intel Corporation. - - - -Module Name: - - Ia32PcRtc.c - -Abstract: - ---*/ - -#include "PcRtc.h" - -static PC_RTC_MODULE_GLOBALS mModuleGlobal; - -EFI_STATUS -EFIAPI -PcRtcEfiGetTime ( - OUT EFI_TIME *Time, - OUT EFI_TIME_CAPABILITIES *Capabilities - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - Capabilities - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -{ - return PcRtcGetTime (Time, Capabilities, &mModuleGlobal); -} - -EFI_STATUS -EFIAPI -PcRtcEfiSetTime ( - IN EFI_TIME *Time - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -{ - return PcRtcSetTime (Time, &mModuleGlobal); -} - -EFI_STATUS -EFIAPI -PcRtcEfiGetWakeupTime ( - OUT BOOLEAN *Enabled, - OUT BOOLEAN *Pending, - OUT EFI_TIME *Time - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Enabled - GC_TODO: add argument description - Pending - GC_TODO: add argument description - Time - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -{ - return PcRtcGetWakeupTime (Enabled, Pending, Time, &mModuleGlobal); -} - -EFI_STATUS -EFIAPI -PcRtcEfiSetWakeupTime ( - IN BOOLEAN Enabled, - OUT EFI_TIME *Time - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Enabled - GC_TODO: add argument description - Time - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -{ - return PcRtcSetWakeupTime (Enabled, Time, &mModuleGlobal); -} - -EFI_STATUS -EFIAPI -InitializePcRtc ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -/*++ - -Routine Description: - - Arguments: - - - -Returns: ---*/ -// GC_TODO: ImageHandle - add argument and description to function comment -// GC_TODO: SystemTable - add argument and description to function comment -{ - EFI_STATUS Status; - EFI_HANDLE NewHandle; - - EfiInitializeLock (&mModuleGlobal.RtcLock, TPL_HIGH_LEVEL); - - Status = PcRtcInit (&mModuleGlobal); - if (EFI_ERROR (Status)) { - return Status; - } - - gRT->GetTime = PcRtcEfiGetTime; - gRT->SetTime = PcRtcEfiSetTime; - gRT->GetWakeupTime = PcRtcEfiGetWakeupTime; - gRT->SetWakeupTime = PcRtcEfiSetWakeupTime; - - NewHandle = NULL; - Status = gBS->InstallMultipleProtocolInterfaces ( - &NewHandle, - &gEfiRealTimeClockArchProtocolGuid, - NULL, - NULL - ); - - return Status; -} diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c deleted file mode 100644 index a58aee5..0000000 --- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c +++ /dev/null @@ -1,1071 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.
-This software and associated documentation (if any) is furnished -under a license and may only be used or copied in accordance -with the terms of the license. Except as permitted by such -license, no part of this software or documentation may be -reproduced, stored in a retrieval system, or transmitted in any -form or by any means without the express written consent of -Intel Corporation. - - - -Module Name: - - PcRtc.c - -Abstract: - - RTC Architectural Protocol GUID as defined in DxeCis 0.96 - ---*/ - -#include "PcRtc.h" - -STATIC -INTN -CompareHMS ( - IN EFI_TIME *From, - IN EFI_TIME *To - ); - -STATIC -BOOLEAN -IsWithinOneDay ( - IN EFI_TIME *From, - IN EFI_TIME *To - ); - -STATIC -UINT8 -RtcRead ( - IN UINT8 Address - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Address - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -{ - IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80))); - return IoRead8 (PCAT_RTC_DATA_REGISTER); -} - -STATIC -VOID -RtcWrite ( - IN UINT8 Address, - IN UINT8 Data - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Address - GC_TODO: add argument description - Data - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -{ - IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80))); - IoWrite8 (PCAT_RTC_DATA_REGISTER, Data); -} - -EFI_STATUS -PcRtcInit ( - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Global - GC_TODO: add argument description - -Returns: - - EFI_DEVICE_ERROR - GC_TODO: Add description for return value - EFI_SUCCESS - GC_TODO: Add description for return value - ---*/ -{ - EFI_STATUS Status; - RTC_REGISTER_A RegisterA; - RTC_REGISTER_B RegisterB; - RTC_REGISTER_D RegisterD; - UINT8 Century; - EFI_TIME Time; - - // - // Acquire RTC Lock to make access to RTC atomic - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or - // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock - if (!EfiAtRuntime ()) { - EfiAcquireLock (&Global->RtcLock); - } - // - // Initialize RTC Register - // - // Make sure Division Chain is properly configured, - // or RTC clock won't "tick" -- time won't increment - // - RegisterA.Data = RTC_INIT_REGISTER_A; - RtcWrite (RTC_ADDRESS_REGISTER_A, RegisterA.Data); - - // - // Read Register B - // - RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B); - - // - // Clear RTC flag register - // - RtcRead (RTC_ADDRESS_REGISTER_C); - - // - // Clear RTC register D - // - RegisterD.Data = RTC_INIT_REGISTER_D; - RtcWrite (RTC_ADDRESS_REGISTER_D, RegisterD.Data); - - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or - // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - return EFI_DEVICE_ERROR; - } - // - // Get the Time/Date/Daylight Savings values. - // - Time.Second = RtcRead (RTC_ADDRESS_SECONDS); - Time.Minute = RtcRead (RTC_ADDRESS_MINUTES); - Time.Hour = RtcRead (RTC_ADDRESS_HOURS); - Time.Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH); - Time.Month = RtcRead (RTC_ADDRESS_MONTH); - Time.Year = RtcRead (RTC_ADDRESS_YEAR); - - ConvertRtcTimeToEfiTime (&Time, RegisterB); - - if (RtcTestCenturyRegister () == EFI_SUCCESS) { - Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f)); - } else { - Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY)); - } - - Time.Year = (UINT16) (Century * 100 + Time.Year); - - // - // Set RTC configuration after get original time - // - RtcWrite (RTC_ADDRESS_REGISTER_B, RTC_INIT_REGISTER_B); - - // - // Release RTC Lock. - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or - // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - // - // Validate time fields - // - Status = RtcTimeFieldsValid (&Time); - if (EFI_ERROR (Status)) { - Time.Second = RTC_INIT_SECOND; - Time.Minute = RTC_INIT_MINUTE; - Time.Hour = RTC_INIT_HOUR; - Time.Day = RTC_INIT_DAY; - Time.Month = RTC_INIT_MONTH; - Time.Year = RTC_INIT_YEAR; - } - // - // Reset time value according to new RTC configuration - // - PcRtcSetTime (&Time, Global); - - return EFI_SUCCESS; -} - -EFI_STATUS -PcRtcGetTime ( - OUT EFI_TIME *Time, - IN EFI_TIME_CAPABILITIES *Capabilities, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - Arguments: - - Returns: ---*/ -// GC_TODO: Time - add argument and description to function comment -// GC_TODO: Capabilities - add argument and description to function comment -// GC_TODO: Global - add argument and description to function comment -// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment -// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment -// GC_TODO: EFI_SUCCESS - add return value to function comment -{ - EFI_STATUS Status; - RTC_REGISTER_B RegisterB; - UINT8 Century; - - // - // Check parameters for null pointer - // - if (Time == NULL) { - return EFI_INVALID_PARAMETER; - - } - // - // Acquire RTC Lock to make access to RTC atomic - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or - // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock - if (!EfiAtRuntime ()) { - EfiAcquireLock (&Global->RtcLock); - } - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or - // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - return Status; - } - // - // Read Register B - // - RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B); - - // - // Get the Time/Date/Daylight Savings values. - // - Time->Second = RtcRead (RTC_ADDRESS_SECONDS); - Time->Minute = RtcRead (RTC_ADDRESS_MINUTES); - Time->Hour = RtcRead (RTC_ADDRESS_HOURS); - Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH); - Time->Month = RtcRead (RTC_ADDRESS_MONTH); - Time->Year = RtcRead (RTC_ADDRESS_YEAR); - - ConvertRtcTimeToEfiTime (Time, RegisterB); - - if (RtcTestCenturyRegister () == EFI_SUCCESS) { - Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f)); - } else { - Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY)); - } - - Time->Year = (UINT16) (Century * 100 + Time->Year); - - // - // Release RTC Lock. - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or - // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - // - // Get the variable that containts the TimeZone and Daylight fields - // - Time->TimeZone = Global->SavedTimeZone; - Time->Daylight = Global->Daylight; - - // - // Make sure all field values are in correct range - // - Status = RtcTimeFieldsValid (Time); - if (EFI_ERROR (Status)) { - return EFI_DEVICE_ERROR; - } - // - // Fill in Capabilities if it was passed in - // - if (Capabilities) { - Capabilities->Resolution = 1; - // - // 1 hertz - // - Capabilities->Accuracy = 50000000; - // - // 50 ppm - // - Capabilities->SetsToZero = FALSE; - } - - return EFI_SUCCESS; -} - -EFI_STATUS -PcRtcSetTime ( - IN EFI_TIME *Time, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - Arguments: - - Returns: ---*/ -// GC_TODO: Time - add argument and description to function comment -// GC_TODO: Global - add argument and description to function comment -// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment -{ - EFI_STATUS Status; - EFI_TIME RtcTime; - RTC_REGISTER_B RegisterB; - UINT8 Century; - - if (Time == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // Make sure that the time fields are valid - // - Status = RtcTimeFieldsValid (Time); - if (EFI_ERROR (Status)) { - return Status; - } - - CopyMem (&RtcTime, Time, sizeof (EFI_TIME)); - - // - // Acquire RTC Lock to make access to RTC atomic - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or - // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock - if (!EfiAtRuntime ()) { - EfiAcquireLock (&Global->RtcLock); - } - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or - // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - return Status; - } - // - // Read Register B, and inhibit updates of the RTC - // - RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B); - RegisterB.Bits.SET = 1; - RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data); - - ConvertEfiTimeToRtcTime (&RtcTime, RegisterB, &Century); - - RtcWrite (RTC_ADDRESS_SECONDS, RtcTime.Second); - RtcWrite (RTC_ADDRESS_MINUTES, RtcTime.Minute); - RtcWrite (RTC_ADDRESS_HOURS, RtcTime.Hour); - RtcWrite (RTC_ADDRESS_DAY_OF_THE_MONTH, RtcTime.Day); - RtcWrite (RTC_ADDRESS_MONTH, RtcTime.Month); - RtcWrite (RTC_ADDRESS_YEAR, (UINT8) RtcTime.Year); - if (RtcTestCenturyRegister () == EFI_SUCCESS) { - Century = (UINT8) ((Century & 0x7f) | (RtcRead (RTC_ADDRESS_CENTURY) & 0x80)); - } - - RtcWrite (RTC_ADDRESS_CENTURY, Century); - - // - // Allow updates of the RTC registers - // - RegisterB.Bits.SET = 0; - RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data); - - // - // Release RTC Lock. - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or - // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - // - // Set the variable that containts the TimeZone and Daylight fields - // - Global->SavedTimeZone = Time->TimeZone; - Global->Daylight = Time->Daylight; - return Status; -} - -EFI_STATUS -PcRtcGetWakeupTime ( - OUT BOOLEAN *Enabled, - OUT BOOLEAN *Pending, - OUT EFI_TIME *Time, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - Arguments: - - - -Returns: ---*/ -// GC_TODO: Enabled - add argument and description to function comment -// GC_TODO: Pending - add argument and description to function comment -// GC_TODO: Time - add argument and description to function comment -// GC_TODO: Global - add argument and description to function comment -// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment -// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment -// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment -// GC_TODO: EFI_SUCCESS - add return value to function comment -{ - EFI_STATUS Status; - RTC_REGISTER_B RegisterB; - RTC_REGISTER_C RegisterC; - UINT8 Century; - - // - // Check paramters for null pointers - // - if ((Enabled == NULL) || (Pending == NULL) || (Time == NULL)) { - return EFI_INVALID_PARAMETER; - - } - // - // Acquire RTC Lock to make access to RTC atomic - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or - // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock - if (!EfiAtRuntime ()) { - EfiAcquireLock (&Global->RtcLock); - } - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or - // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - return EFI_DEVICE_ERROR; - } - // - // Read Register B and Register C - // - RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B); - RegisterC.Data = RtcRead (RTC_ADDRESS_REGISTER_C); - - // - // Get the Time/Date/Daylight Savings values. - // - *Enabled = RegisterB.Bits.AIE; - if (*Enabled) { - Time->Second = RtcRead (RTC_ADDRESS_SECONDS_ALARM); - Time->Minute = RtcRead (RTC_ADDRESS_MINUTES_ALARM); - Time->Hour = RtcRead (RTC_ADDRESS_HOURS_ALARM); - Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH); - Time->Month = RtcRead (RTC_ADDRESS_MONTH); - Time->Year = RtcRead (RTC_ADDRESS_YEAR); - } else { - Time->Second = 0; - Time->Minute = 0; - Time->Hour = 0; - Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH); - Time->Month = RtcRead (RTC_ADDRESS_MONTH); - Time->Year = RtcRead (RTC_ADDRESS_YEAR); - } - - ConvertRtcTimeToEfiTime (Time, RegisterB); - - if (RtcTestCenturyRegister () == EFI_SUCCESS) { - Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f)); - } else { - Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY)); - } - - Time->Year = (UINT16) (Century * 100 + Time->Year); - - // - // Release RTC Lock. - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or - // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - // - // Make sure all field values are in correct range - // - Status = RtcTimeFieldsValid (Time); - if (EFI_ERROR (Status)) { - return EFI_DEVICE_ERROR; - } - - *Pending = RegisterC.Bits.AF; - - return EFI_SUCCESS; -} - -EFI_STATUS -PcRtcSetWakeupTime ( - IN BOOLEAN Enable, - OUT EFI_TIME *Time, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - Arguments: - - - -Returns: ---*/ -// GC_TODO: Enable - add argument and description to function comment -// GC_TODO: Time - add argument and description to function comment -// GC_TODO: Global - add argument and description to function comment -// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment -// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment -// GC_TODO: EFI_UNSUPPORTED - add return value to function comment -// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment -// GC_TODO: EFI_SUCCESS - add return value to function comment -{ - EFI_STATUS Status; - EFI_TIME RtcTime; - RTC_REGISTER_B RegisterB; - UINT8 Century; - EFI_TIME_CAPABILITIES Capabilities; - - if (Enable) { - - if (Time == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // Make sure that the time fields are valid - // - Status = RtcTimeFieldsValid (Time); - if (EFI_ERROR (Status)) { - return EFI_INVALID_PARAMETER; - } - // - // Just support set alarm time within 24 hours - // - PcRtcGetTime (&RtcTime, &Capabilities, Global); - if (!IsWithinOneDay (&RtcTime, Time)) { - return EFI_UNSUPPORTED; - } - // - // Make a local copy of the time and date - // - CopyMem (&RtcTime, Time, sizeof (EFI_TIME)); - - } - // - // Acquire RTC Lock to make access to RTC atomic - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or - // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock - if (!EfiAtRuntime ()) { - EfiAcquireLock (&Global->RtcLock); - } - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or - // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - return EFI_DEVICE_ERROR; - } - // - // Read Register B, and inhibit updates of the RTC - // - RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B); - - RegisterB.Bits.SET = 1; - RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data); - - if (Enable) { - ConvertEfiTimeToRtcTime (&RtcTime, RegisterB, &Century); - - // - // Set RTC alarm time - // - RtcWrite (RTC_ADDRESS_SECONDS_ALARM, RtcTime.Second); - RtcWrite (RTC_ADDRESS_MINUTES_ALARM, RtcTime.Minute); - RtcWrite (RTC_ADDRESS_HOURS_ALARM, RtcTime.Hour); - - RegisterB.Bits.AIE = 1; - - } else { - RegisterB.Bits.AIE = 0; - } - // - // Allow updates of the RTC registers - // - RegisterB.Bits.SET = 0; - RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data); - - // - // Release RTC Lock. - // - //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or - // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock - if (!EfiAtRuntime ()) { - EfiReleaseLock (&Global->RtcLock); - } - return EFI_SUCCESS; -} - -EFI_STATUS -RtcTestCenturyRegister ( - VOID - ) -/*++ - -Routine Description: - - Arguments: - - - -Returns: ---*/ -// GC_TODO: EFI_SUCCESS - add return value to function comment -// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment -{ - UINT8 Century; - UINT8 Temp; - - Century = RtcRead (RTC_ADDRESS_CENTURY); - // - // RtcWrite (RTC_ADDRESS_CENTURY, 0x00); - // - Temp = (UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f); - RtcWrite (RTC_ADDRESS_CENTURY, Century); - if (Temp == 0x19 || Temp == 0x20) { - return EFI_SUCCESS; - } - - return EFI_DEVICE_ERROR; -} - -VOID -ConvertRtcTimeToEfiTime ( - IN EFI_TIME *Time, - IN RTC_REGISTER_B RegisterB - ) -/*++ - -Routine Description: - - Arguments: - - - -Returns: ---*/ -// GC_TODO: Time - add argument and description to function comment -// GC_TODO: RegisterB - add argument and description to function comment -{ - BOOLEAN PM; - - if ((Time->Hour) & 0x80) { - PM = TRUE; - } else { - PM = FALSE; - } - - Time->Hour = (UINT8) (Time->Hour & 0x7f); - - if (RegisterB.Bits.DM == 0) { - Time->Year = BcdToDecimal8 ((UINT8) Time->Year); - Time->Month = BcdToDecimal8 (Time->Month); - Time->Day = BcdToDecimal8 (Time->Day); - Time->Hour = BcdToDecimal8 (Time->Hour); - Time->Minute = BcdToDecimal8 (Time->Minute); - Time->Second = BcdToDecimal8 (Time->Second); - } - // - // If time is in 12 hour format, convert it to 24 hour format - // - if (RegisterB.Bits.MIL == 0) { - if (PM && Time->Hour < 12) { - Time->Hour = (UINT8) (Time->Hour + 12); - } - - if (!PM && Time->Hour == 12) { - Time->Hour = 0; - } - } - - Time->Nanosecond = 0; - Time->TimeZone = EFI_UNSPECIFIED_TIMEZONE; - Time->Daylight = 0; -} - -EFI_STATUS -RtcWaitToUpdate ( - UINTN Timeout - ) -/*++ - -Routine Description: - - Arguments: - - -Returns: ---*/ -// GC_TODO: Timeout - add argument and description to function comment -// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment -// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment -// GC_TODO: EFI_SUCCESS - add return value to function comment -{ - RTC_REGISTER_A RegisterA; - RTC_REGISTER_D RegisterD; - - // - // See if the RTC is functioning correctly - // - RegisterD.Data = RtcRead (RTC_ADDRESS_REGISTER_D); - - if (RegisterD.Bits.VRT == 0) { - return EFI_DEVICE_ERROR; - } - // - // Wait for up to 0.1 seconds for the RTC to be ready. - // - Timeout = (Timeout / 10) + 1; - RegisterA.Data = RtcRead (RTC_ADDRESS_REGISTER_A); - while (RegisterA.Bits.UIP == 1 && Timeout > 0) { - MicroSecondDelay (10); - RegisterA.Data = RtcRead (RTC_ADDRESS_REGISTER_A); - Timeout--; - } - - RegisterD.Data = RtcRead (RTC_ADDRESS_REGISTER_D); - if (Timeout == 0 || RegisterD.Bits.VRT == 0) { - return EFI_DEVICE_ERROR; - } - - return EFI_SUCCESS; -} - -EFI_STATUS -RtcTimeFieldsValid ( - IN EFI_TIME *Time - ) -/*++ - -Routine Description: - - Arguments: - - Returns: ---*/ -// GC_TODO: Time - add argument and description to function comment -// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment -// GC_TODO: EFI_SUCCESS - add return value to function comment -{ - if (Time->Year < 1998 || - Time->Year > 2099 || - Time->Month < 1 || - Time->Month > 12 || - (!DayValid (Time)) || - Time->Hour > 23 || - Time->Minute > 59 || - Time->Second > 59 || - Time->Nanosecond > 999999999 || - (!(Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE || (Time->TimeZone >= -1440 && Time->TimeZone <= 1440))) || - (Time->Daylight & (~(EFI_TIME_ADJUST_DAYLIGHT | EFI_TIME_IN_DAYLIGHT))) - ) { - return EFI_INVALID_PARAMETER; - } - - return EFI_SUCCESS; -} - -BOOLEAN -DayValid ( - IN EFI_TIME *Time - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -{ - INTN DayOfMonth[12]; - - DayOfMonth[0] = 31; - DayOfMonth[1] = 29; - DayOfMonth[2] = 31; - DayOfMonth[3] = 30; - DayOfMonth[4] = 31; - DayOfMonth[5] = 30; - DayOfMonth[6] = 31; - DayOfMonth[7] = 31; - DayOfMonth[8] = 30; - DayOfMonth[9] = 31; - DayOfMonth[10] = 30; - DayOfMonth[11] = 31; - - if (Time->Day < 1 || - Time->Day > DayOfMonth[Time->Month - 1] || - (Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28)) - ) { - return FALSE; - } - - return TRUE; -} - -BOOLEAN -IsLeapYear ( - IN EFI_TIME *Time - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -{ - if (Time->Year % 4 == 0) { - if (Time->Year % 100 == 0) { - if (Time->Year % 400 == 0) { - return TRUE; - } else { - return FALSE; - } - } else { - return TRUE; - } - } else { - return FALSE; - } -} - -VOID -ConvertEfiTimeToRtcTime ( - IN EFI_TIME *Time, - IN RTC_REGISTER_B RegisterB, - IN UINT8 *Century - ) -/*++ - -Routine Description: - - Arguments: - - -Returns: ---*/ -// GC_TODO: Time - add argument and description to function comment -// GC_TODO: RegisterB - add argument and description to function comment -// GC_TODO: Century - add argument and description to function comment -{ - BOOLEAN PM; - - PM = TRUE; - // - // Adjust hour field if RTC in in 12 hour mode - // - if (RegisterB.Bits.MIL == 0) { - if (Time->Hour < 12) { - PM = FALSE; - } - - if (Time->Hour >= 13) { - Time->Hour = (UINT8) (Time->Hour - 12); - } else if (Time->Hour == 0) { - Time->Hour = 12; - } - } - // - // Set the Time/Date/Daylight Savings values. - // - *Century = DecimalToBcd8 ((UINT8) (Time->Year / 100)); - - Time->Year = (UINT16) (Time->Year % 100); - - if (RegisterB.Bits.DM == 0) { - Time->Year = DecimalToBcd8 ((UINT8) Time->Year); - Time->Month = DecimalToBcd8 (Time->Month); - Time->Day = DecimalToBcd8 (Time->Day); - Time->Hour = DecimalToBcd8 (Time->Hour); - Time->Minute = DecimalToBcd8 (Time->Minute); - Time->Second = DecimalToBcd8 (Time->Second); - } - // - // If we are in 12 hour mode and PM is set, then set bit 7 of the Hour field. - // - if (RegisterB.Bits.MIL == 0 && PM) { - Time->Hour = (UINT8) (Time->Hour | 0x80); - } -} - -STATIC -INTN -CompareHMS ( - IN EFI_TIME *From, - IN EFI_TIME *To - ) -/*++ - -Routine Description: - - Compare the Hour, Minute and Second of the 'From' time and the 'To' time. - Only compare H/M/S in EFI_TIME and ignore other fields here. - -Arguments: - - From - the first time - To - the second time - -Returns: - - >0 : The H/M/S of the 'From' time is later than those of 'To' time - ==0 : The H/M/S of the 'From' time is same as those of 'To' time - <0 : The H/M/S of the 'From' time is earlier than those of 'To' time - ---*/ -{ - if ((From->Hour > To->Hour) || - ((From->Hour == To->Hour) && (From->Minute > To->Minute)) || - ((From->Hour == To->Hour) && (From->Minute == To->Minute) && (From->Second > To->Second))) { - return 1; - } else if ((From->Hour == To->Hour) && (From->Minute == To->Minute) && (From->Second == To->Second)) { - return 0; - } else { - return -1; - } -} - -STATIC -BOOLEAN -IsWithinOneDay ( - IN EFI_TIME *From, - IN EFI_TIME *To - ) -/*++ - -Routine Description: - - Judge whether two days are adjacent. - -Arguments: - - From - the first day - To - the second day - -Returns: - - TRUE - The interval of two days are within one day. - FALSE - The interval of two days exceed ony day or parameter error. - ---*/ -{ - UINT8 DayOfMonth[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; - BOOLEAN Adjacent = FALSE; - - if (From->Year == To->Year) { - if (From->Month == To->Month) { - if ((From->Day + 1) == To->Day) { - if ((CompareHMS(From, To) >= 0)) { - Adjacent = TRUE; - } - } else if (From->Day == To->Day) { - if ((CompareHMS(From, To) <= 0)) { - Adjacent = TRUE; - } - } - } else if (((From->Month + 1) == To->Month) && (To->Day == 1)) { - if ((From->Month == 2) && !IsLeapYear(From)) { - if (From->Day == 28) { - if ((CompareHMS(From, To) >= 0)) { - Adjacent = TRUE; - } - } - } else if (From->Day == DayOfMonth[From->Month - 1]) { - if ((CompareHMS(From, To) >= 0)) { - Adjacent = TRUE; - } - } - } - } else if (((From->Year + 1) == To->Year) && - (From->Month == 12) && - (From->Day == 31) && - (To->Month == 1) && - (To->Day == 1)) { - if ((CompareHMS(From, To) >= 0)) { - Adjacent = TRUE; - } - } - - return Adjacent; -} - diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h deleted file mode 100644 index 55ed7c3..0000000 --- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h +++ /dev/null @@ -1,514 +0,0 @@ -/*++ - -Copyright (c) 2006, Intel Corporation. All rights reserved. -This software and associated documentation (if any) is furnished -under a license and may only be used or copied in accordance -with the terms of the license. Except as permitted by such -license, no part of this software or documentation may be -reproduced, stored in a retrieval system, or transmitted in any -form or by any means without the express written consent of -Intel Corporation. - - -Module Name: - - PcRtc.h - -Abstract: - - Include for real time clock driver - -Revision History - - ---*/ - -#ifndef _RTC_H_ -#define _RTC_H_ - -// -// The package level header files this module uses -// -#include -// -// The protocols, PPI and GUID defintions for this module -// -#include -// -// The Library classes this module consumes -// -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - - -typedef struct { - EFI_LOCK RtcLock; - UINT16 SavedTimeZone; - UINT8 Daylight; -} PC_RTC_MODULE_GLOBALS; - -#define PCAT_RTC_ADDRESS_REGISTER 0x70 -#define PCAT_RTC_DATA_REGISTER 0x71 - -// -// Dallas DS12C887 Real Time Clock -// -#define RTC_ADDRESS_SECONDS 0 // R/W Range 0..59 -#define RTC_ADDRESS_SECONDS_ALARM 1 // R/W Range 0..59 -#define RTC_ADDRESS_MINUTES 2 // R/W Range 0..59 -#define RTC_ADDRESS_MINUTES_ALARM 3 // R/W Range 0..59 -#define RTC_ADDRESS_HOURS 4 // R/W Range 1..12 or 0..23 Bit 7 is AM/PM -#define RTC_ADDRESS_HOURS_ALARM 5 // R/W Range 1..12 or 0..23 Bit 7 is AM/PM -#define RTC_ADDRESS_DAY_OF_THE_WEEK 6 // R/W Range 1..7 -#define RTC_ADDRESS_DAY_OF_THE_MONTH 7 // R/W Range 1..31 -#define RTC_ADDRESS_MONTH 8 // R/W Range 1..12 -#define RTC_ADDRESS_YEAR 9 // R/W Range 0..99 -#define RTC_ADDRESS_REGISTER_A 10 // R/W[0..6] R0[7] -#define RTC_ADDRESS_REGISTER_B 11 // R/W -#define RTC_ADDRESS_REGISTER_C 12 // RO -#define RTC_ADDRESS_REGISTER_D 13 // RO -#define RTC_ADDRESS_CENTURY 50 // R/W Range 19..20 Bit 8 is R/W -// -// Date and time initial values. -// They are used if the RTC values are invalid during driver initialization -// -#define RTC_INIT_SECOND 0 -#define RTC_INIT_MINUTE 0 -#define RTC_INIT_HOUR 0 -#define RTC_INIT_DAY 1 -#define RTC_INIT_MONTH 1 -#define RTC_INIT_YEAR 2001 - -// -// Register initial values -// -#define RTC_INIT_REGISTER_A 0x26 -#define RTC_INIT_REGISTER_B 0x02 -#define RTC_INIT_REGISTER_D 0x0 - -#pragma pack(1) -// -// Register A -// -typedef struct { - UINT8 RS : 4; // Rate Selection Bits - UINT8 DV : 3; // Divisor - UINT8 UIP : 1; // Update in progress -} RTC_REGISTER_A_BITS; - -typedef union { - RTC_REGISTER_A_BITS Bits; - UINT8 Data; -} RTC_REGISTER_A; - -// -// Register B -// -typedef struct { - UINT8 DSE : 1; // 0 - Daylight saving disabled 1 - Daylight savings enabled - UINT8 MIL : 1; // 0 - 12 hour mode 1 - 24 hour mode - UINT8 DM : 1; // 0 - BCD Format 1 - Binary Format - UINT8 SQWE : 1; // 0 - Disable SQWE output 1 - Enable SQWE output - UINT8 UIE : 1; // 0 - Update INT disabled 1 - Update INT enabled - UINT8 AIE : 1; // 0 - Alarm INT disabled 1 - Alarm INT Enabled - UINT8 PIE : 1; // 0 - Periodic INT disabled 1 - Periodic INT Enabled - UINT8 SET : 1; // 0 - Normal operation. 1 - Updates inhibited -} RTC_REGISTER_B_BITS; - -typedef union { - RTC_REGISTER_B_BITS Bits; - UINT8 Data; -} RTC_REGISTER_B; - -// -// Register C -// -typedef struct { - UINT8 Reserved : 4; // Read as zero. Can not be written. - UINT8 UF : 1; // Update End Interrupt Flag - UINT8 AF : 1; // Alarm Interrupt Flag - UINT8 PF : 1; // Periodic Interrupt Flag - UINT8 IRQF : 1; // Iterrupt Request Flag = PF & PIE | AF & AIE | UF & UIE -} RTC_REGISTER_C_BITS; - -typedef union { - RTC_REGISTER_C_BITS Bits; - UINT8 Data; -} RTC_REGISTER_C; - -// -// Register D -// -typedef struct { - UINT8 Reserved : 7; // Read as zero. Can not be written. - UINT8 VRT : 1; // Valid RAM and Time -} RTC_REGISTER_D_BITS; - -typedef union { - RTC_REGISTER_D_BITS Bits; - UINT8 Data; -} RTC_REGISTER_D; - -#pragma pack() - -EFI_STATUS -PcRtcInit ( - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Global - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -EFI_STATUS -PcRtcSetTime ( - IN EFI_TIME *Time, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - Global - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -EFI_STATUS -PcRtcGetTime ( - OUT EFI_TIME *Time, - IN EFI_TIME_CAPABILITIES *Capabilities, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - Capabilities - GC_TODO: add argument description - Global - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -EFI_STATUS -PcRtcSetWakeupTime ( - IN BOOLEAN Enable, - OUT EFI_TIME *Time, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Enable - GC_TODO: add argument description - Time - GC_TODO: add argument description - Global - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -EFI_STATUS -PcRtcGetWakeupTime ( - OUT BOOLEAN *Enabled, - OUT BOOLEAN *Pending, - OUT EFI_TIME *Time, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Enabled - GC_TODO: add argument description - Pending - GC_TODO: add argument description - Time - GC_TODO: add argument description - Global - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -EFI_STATUS -EFIAPI -InitializePcRtc ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - ImageHandle - GC_TODO: add argument description - SystemTable - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -UINT8 -BcdToDecimal ( - IN UINT8 BcdValue - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - BcdValue - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -EFI_STATUS -RtcTimeFieldsValid ( - IN EFI_TIME *Time - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -UINT8 -DecimaltoBcd ( - IN UINT8 DecValue - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - DecValue - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -VOID -ConvertEfiTimeToRtcTime ( - IN EFI_TIME *Time, - IN RTC_REGISTER_B RegisterB, - IN UINT8 *Century - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - RegisterB - GC_TODO: add argument description - Century - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -EFI_STATUS -RtcTestCenturyRegister ( - VOID - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - None - -Returns: - - GC_TODO: add return values - ---*/ -; - -VOID -ConvertRtcTimeToEfiTime ( - IN EFI_TIME *Time, - IN RTC_REGISTER_B RegisterB - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Time - GC_TODO: add argument description - RegisterB - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -EFI_STATUS -RtcWaitToUpdate ( - UINTN Timeout - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Timeout - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -UINT8 -RtcSaveContext ( - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - Global - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -VOID -RtcRestoreContext ( - IN UINT8 SavedAddressRegister, - IN PC_RTC_MODULE_GLOBALS *Global - ) -/*++ - -Routine Description: - - GC_TODO: Add function description - -Arguments: - - SavedAddressRegister - GC_TODO: add argument description - Global - GC_TODO: add argument description - -Returns: - - GC_TODO: add return values - ---*/ -; - -BOOLEAN -DayValid ( - IN EFI_TIME *Time - ); - -BOOLEAN -IsLeapYear ( - IN EFI_TIME *Time - ); - -#endif diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf deleted file mode 100644 index e9c0649..0000000 --- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf +++ /dev/null @@ -1,105 +0,0 @@ -#/** @file -# PcRtc driver to install EFI_REAL_TIME_CLOCK_ARCH_PROTOCOL. -# -# This driver provides GetTime, SetTime, GetWakeupTime, SetWakeupTime services to Runtime Service Table. -# Copyright (c) 2006 - 2007, Intel Corporation. -# -# All rights reserved. -# This software and associated documentation (if any) is furnished -# under a license and may only be used or copied in accordance -# with the terms of the license. Except as permitted by such -# license, no part of this software or documentation may be -# reproduced, stored in a retrieval system, or transmitted in any -# form or by any means without the express written consent of -# Intel Corporation. -# -# -#**/ - -################################################################################ -# -# Defines Section - statements that will be processed to create a Makefile. -# -################################################################################ -[Defines] - INF_VERSION = 0x00010005 - BASE_NAME = PcRtc - FILE_GUID = 378D7B65-8DA9-4773-B6E4-A47826A833E1 - MODULE_TYPE = DXE_RUNTIME_DRIVER - VERSION_STRING = 1.0 - EDK_RELEASE_VERSION = 0x00020000 - EFI_SPECIFICATION_VERSION = 0x00020000 - - ENTRY_POINT = InitializePcRtc - -# -# The following information is for reference only and not required by the build tools. -# -# VALID_ARCHITECTURES = IA32 X64 EBC -# - -################################################################################ -# -# Sources Section - list of files that are required for the build to succeed. -# -################################################################################ - -[Sources.common] - Ia32/Ia32PcRtc.c - PcRtc.c - PcRtc.h - - -################################################################################ -# -# Package Dependency Section - list of Package files that are required for -# this module. -# -################################################################################ - -[Packages] - MdePkg/MdePkg.dec - IntelFrameworkPkg/IntelFrameworkPkg.dec - - -################################################################################ -# -# Library Class Section - list of Library Classes that are required for -# this module. -# -################################################################################ - -[LibraryClasses] - UefiRuntimeServicesTableLib - UefiRuntimeLib - UefiBootServicesTableLib - UefiDriverEntryPoint - TimerLib - IoLib - BaseMemoryLib - UefiLib - DebugLib - BaseLib - - -################################################################################ -# -# Protocol C Name Section - list of Protocol and Protocol Notify C Names -# that this module uses or produces. -# -################################################################################ - -[Protocols] - gEfiRealTimeClockArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED - - -################################################################################ -# -# Dependency Expression Section - list of Dependency expressions that are required for -# this module. -# -################################################################################ - -[Depex] - gEfiCpuArchProtocolGuid AND gEfiMetronomeArchProtocolGuid - diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa deleted file mode 100644 index 9e911b8..0000000 --- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa +++ /dev/null @@ -1,79 +0,0 @@ - - - - PcRtc - DXE_RUNTIME_DRIVER - 378D7B65-8DA9-4773-B6E4-A47826A833E1 - 1.0 - PcRtc driver to install EFI_REAL_TIME_CLOCK_ARCH_PROTOCOL. - This driver provides GetTime, SetTime, GetWakeupTime, SetWakeupTime services to Runtime Service Table. - Copyright (c) 2006 - 2007, Intel Corporation. - All rights reserved. - This software and associated documentation (if any) is furnished - under a license and may only be used or copied in accordance - with the terms of the license. Except as permitted by such - license, no part of this software or documentation may be - reproduced, stored in a retrieval system, or transmitted in any - form or by any means without the express written consent of - Intel Corporation. - FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052 - - - IA32 X64 EBC - false - PcRtc - - - - BaseLib - - - DebugLib - - - UefiLib - - - BaseMemoryLib - - - IoLib - - - TimerLib - - - UefiDriverEntryPoint - - - UefiBootServicesTableLib - - - UefiRuntimeLib - - - UefiRuntimeServicesTableLib - - - - PcRtc.h - PcRtc.c - Ia32PcRtc.dxs - Ia32/Ia32PcRtc.c - - - - - - - gEfiRealTimeClockArchProtocolGuid - - - - EFI_SPECIFICATION_VERSION 0x00020000 - EDK_RELEASE_VERSION 0x00020000 - - InitializePcRtc - - - diff --git a/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c b/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c deleted file mode 100644 index 0a4ee95..0000000 --- a/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c +++ /dev/null @@ -1,57 +0,0 @@ -/** @file - Variable worker functions. - - Copyright (c) 2006, 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. - -**/ - -#include - - -/** - Get one variable by the index count. - - @param IndexTable The pointer to variable index table. - @param Count The index count of variable in index table. - - @return The pointer to variable header indexed by count. - -**/ -VARIABLE_HEADER * -GetVariableByIndex ( - IN VARIABLE_INDEX_TABLE *IndexTable, - IN UINT32 Count - ) -{ - return (VARIABLE_HEADER *) (UINTN) ((((UINT32)IndexTable->Index[Count]) << 2) + ((UINT32)(UINTN)IndexTable->StartPtr & 0xFFFC0000) ); -} - -/** - Record Variable in VariableIndex HOB. - - Record Variable in VariableIndex HOB and update the length of variable index table. - - @param IndexTable The pointer to variable index table. - @param Variable The pointer to the variable that will be recorded. - - @retval VOID - -**/ -VOID -VariableIndexTableUpdate ( - IN OUT VARIABLE_INDEX_TABLE *IndexTable, - IN VARIABLE_HEADER *Variable - ) -{ - IndexTable->Index[IndexTable->Length++] = (UINT16) (((UINT32)(UINTN) Variable) >> 2); - - return; -} - diff --git a/MdeModulePkg/Universal/VariablePei/Variable.c b/MdeModulePkg/Universal/VariablePei/Variable.c deleted file mode 100644 index ba8a23d..0000000 --- a/MdeModulePkg/Universal/VariablePei/Variable.c +++ /dev/null @@ -1,522 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007 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. -Module Name: - - Variable.c - -Abstract: - - Framework PEIM to provide the Variable functionality - ---*/ - - -#include "Variable.h" - -// -// Module globals -// -static EFI_PEI_READ_ONLY_VARIABLE2_PPI mVariablePpi = { - PeiGetVariable, - PeiGetNextVariableName -}; - -static EFI_PEI_PPI_DESCRIPTOR mPpiListVariable = { - (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), - &gEfiPeiReadOnlyVariable2PpiGuid, - &mVariablePpi -}; - -EFI_GUID mEfiVariableIndexTableGuid = EFI_VARIABLE_INDEX_TABLE_GUID; - -EFI_STATUS -EFIAPI -PeimInitializeVariableServices ( - IN EFI_FFS_FILE_HEADER *FfsHeader, - IN EFI_PEI_SERVICES **PeiServices - ) -/*++ - -Routine Description: - - Provide the functionality of the variable services. - -Arguments: - - FfsHeadher - The FFS file header - PeiServices - General purpose services available to every PEIM. - -Returns: - - Status - EFI_SUCCESS if the interface could be successfully - installed - ---*/ -{ - // - // Publish the variable capability to other modules - // - return (**PeiServices).InstallPpi (PeiServices, &mPpiListVariable); - -} - -STATIC -VARIABLE_HEADER * -GetNextVariablePtr ( - IN VARIABLE_HEADER *Variable - ) -/*++ - -Routine Description: - - This code checks if variable header is valid or not. - -Arguments: - Variable Pointer to the Variable Header. - -Returns: - TRUE Variable header is valid. - FALSE Variable header is not valid. - ---*/ -{ - return (VARIABLE_HEADER *) ((UINTN) GET_VARIABLE_DATA_PTR (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize)); -} - -STATIC -BOOLEAN -EFIAPI -IsValidVariableHeader ( - IN VARIABLE_HEADER *Variable - ) -/*++ - -Routine Description: - - This code checks if variable header is valid or not. - -Arguments: - Variable Pointer to the Variable Header. - -Returns: - TRUE Variable header is valid. - FALSE Variable header is not valid. - ---*/ -{ - if (Variable == NULL || - Variable->StartId != VARIABLE_DATA || - (sizeof (VARIABLE_HEADER) + Variable->DataSize + Variable->NameSize) > MAX_VARIABLE_SIZE - ) { - return FALSE; - } - - return TRUE; -} - -STATIC -VARIABLE_STORE_STATUS -EFIAPI -GetVariableStoreStatus ( - IN VARIABLE_STORE_HEADER *VarStoreHeader - ) -/*++ - -Routine Description: - - This code gets the pointer to the variable name. - -Arguments: - - VarStoreHeader Pointer to the Variable Store Header. - -Returns: - - EfiRaw Variable store is raw - EfiValid Variable store is valid - EfiInvalid Variable store is invalid - ---*/ -{ - if (VarStoreHeader->Signature == VARIABLE_STORE_SIGNATURE && - VarStoreHeader->Format == VARIABLE_STORE_FORMATTED && - VarStoreHeader->State == VARIABLE_STORE_HEALTHY - ) { - - return EfiValid; - } - - if (VarStoreHeader->Signature == 0xffffffff && - VarStoreHeader->Size == 0xffffffff && - VarStoreHeader->Format == 0xff && - VarStoreHeader->State == 0xff - ) { - - return EfiRaw; - } else { - return EfiInvalid; - } -} - -STATIC -EFI_STATUS -CompareWithValidVariable ( - IN VARIABLE_HEADER *Variable, - IN CONST CHAR16 *VariableName, - IN CONST EFI_GUID *VendorGuid, - OUT VARIABLE_POINTER_TRACK *PtrTrack - ) -/*++ - -Routine Description: - - This function compares a variable with variable entries in database - -Arguments: - - Variable - Pointer to the variable in our database - VariableName - Name of the variable to compare to 'Variable' - VendorGuid - GUID of the variable to compare to 'Variable' - PtrTrack - Variable Track Pointer structure that contains - Variable Information. - -Returns: - - EFI_SUCCESS - Found match variable - EFI_NOT_FOUND - Variable not found - ---*/ -{ - if (VariableName[0] == 0) { - PtrTrack->CurrPtr = Variable; - return EFI_SUCCESS; - } else { - // - // Don't use CompareGuid function here for performance reasons. - // Instead we compare the GUID a UINT32 at a time and branch - // on the first failed comparison. - // - if ((((INT32 *) VendorGuid)[0] == ((INT32 *) &Variable->VendorGuid)[0]) && - (((INT32 *) VendorGuid)[1] == ((INT32 *) &Variable->VendorGuid)[1]) && - (((INT32 *) VendorGuid)[2] == ((INT32 *) &Variable->VendorGuid)[2]) && - (((INT32 *) VendorGuid)[3] == ((INT32 *) &Variable->VendorGuid)[3]) - ) { - if (!CompareMem (VariableName, GET_VARIABLE_NAME_PTR (Variable), Variable->NameSize)) { - PtrTrack->CurrPtr = Variable; - return EFI_SUCCESS; - } - } - } - - return EFI_NOT_FOUND; -} - -STATIC -EFI_STATUS -EFIAPI -FindVariable ( - IN EFI_PEI_SERVICES **PeiServices, - IN CONST CHAR16 *VariableName, - IN CONST EFI_GUID *VendorGuid, - OUT VARIABLE_POINTER_TRACK *PtrTrack - ) -/*++ - -Routine Description: - - This code finds variable in storage blocks (Non-Volatile) - -Arguments: - - PeiServices - General purpose services available to every PEIM. - VariableName - Name of the variable to be found - VendorGuid - Vendor GUID to be found. - PtrTrack - Variable Track Pointer structure that contains - Variable Information. - -Returns: - - EFI_SUCCESS - Variable found successfully - EFI_NOT_FOUND - Variable not found - EFI_INVALID_PARAMETER - Invalid variable name - ---*/ -{ - EFI_HOB_GUID_TYPE *GuidHob; - VARIABLE_STORE_HEADER *VariableStoreHeader; - VARIABLE_HEADER *Variable; - VARIABLE_HEADER *MaxIndex; - VARIABLE_INDEX_TABLE *IndexTable; - UINT32 Count; - UINT8 *VariableBase; - - if (VariableName != 0 && VendorGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // No Variable Address equals zero, so 0 as initial value is safe. - // - MaxIndex = 0; - - GuidHob = GetFirstGuidHob (&mEfiVariableIndexTableGuid); - if (GuidHob == NULL) { - IndexTable = BuildGuidHob (&mEfiVariableIndexTableGuid, sizeof (VARIABLE_INDEX_TABLE)); - IndexTable->Length = 0; - IndexTable->StartPtr = NULL; - IndexTable->EndPtr = NULL; - IndexTable->GoneThrough = 0; - } else { - IndexTable = GET_GUID_HOB_DATA (GuidHob); - for (Count = 0; Count < IndexTable->Length; Count++) - { - MaxIndex = GetVariableByIndex (IndexTable, Count); - - if (CompareWithValidVariable (MaxIndex, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) { - PtrTrack->StartPtr = IndexTable->StartPtr; - PtrTrack->EndPtr = IndexTable->EndPtr; - - return EFI_SUCCESS; - } - } - - if (IndexTable->GoneThrough) { - return EFI_NOT_FOUND; - } - } - // - // If not found in HOB, then let's start from the MaxIndex we've found. - // - if (MaxIndex != NULL) { - Variable = GetNextVariablePtr (MaxIndex); - } else { - if (IndexTable->StartPtr || IndexTable->EndPtr) { - Variable = IndexTable->StartPtr; - } else { - VariableBase = (UINT8 *) (UINTN) PcdGet32 (PcdFlashNvStorageVariableBase); - VariableStoreHeader = (VARIABLE_STORE_HEADER *) (VariableBase + \ - ((EFI_FIRMWARE_VOLUME_HEADER *) (VariableBase)) -> HeaderLength); - - if (GetVariableStoreStatus (VariableStoreHeader) != EfiValid) { - return EFI_UNSUPPORTED; - } - - if (~VariableStoreHeader->Size == 0) { - return EFI_NOT_FOUND; - } - // - // Find the variable by walk through non-volatile variable store - // - IndexTable->StartPtr = (VARIABLE_HEADER *) (VariableStoreHeader + 1); - IndexTable->EndPtr = (VARIABLE_HEADER *) ((UINTN) VariableStoreHeader + VariableStoreHeader->Size); - - // - // Start Pointers for the variable. - // Actual Data Pointer where data can be written. - // - Variable = IndexTable->StartPtr; - } - } - // - // Find the variable by walk through non-volatile variable store - // - PtrTrack->StartPtr = IndexTable->StartPtr; - PtrTrack->EndPtr = IndexTable->EndPtr; - - while (IsValidVariableHeader (Variable) && (Variable <= IndexTable->EndPtr)) { - if (Variable->State == VAR_ADDED) { - // - // Record Variable in VariableIndex HOB - // - if (IndexTable->Length < VARIABLE_INDEX_TABLE_VOLUME) - { - VariableIndexTableUpdate (IndexTable, Variable); - } - - if (CompareWithValidVariable (Variable, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) { - return EFI_SUCCESS; - } - } - - Variable = GetNextVariablePtr (Variable); - } - // - // If gone through the VariableStore, that means we never find in Firmware any more. - // - if (IndexTable->Length < VARIABLE_INDEX_TABLE_VOLUME) { - IndexTable->GoneThrough = 1; - } - - PtrTrack->CurrPtr = NULL; - - return EFI_NOT_FOUND; -} - -EFI_STATUS -EFIAPI -PeiGetVariable ( - IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This, - IN CONST CHAR16 *VariableName, - IN CONST EFI_GUID *VariableGuid, - OUT UINT32 *Attributes, - IN OUT UINTN *DataSize, - OUT VOID *Data - ) -/*++ - -Routine Description: - - Provide the read variable functionality of the variable services. - -Arguments: - - PeiServices - General purpose services available to every PEIM. - - VariableName - The variable name - - VendorGuid - The vendor's GUID - - Attributes - Pointer to the attribute - - DataSize - Size of data - - Data - Pointer to data - -Returns: - - EFI_SUCCESS - The interface could be successfully installed - - EFI_NOT_FOUND - The variable could not be discovered - - EFI_BUFFER_TOO_SMALL - The caller buffer is not large enough - ---*/ -{ - VARIABLE_POINTER_TRACK Variable; - UINTN VarDataSize; - EFI_STATUS Status; - EFI_PEI_SERVICES **PeiServices; - - PeiServices = GetPeiServicesTablePointer (); - if (VariableName == NULL || VariableGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // Find existing variable - // - Status = FindVariable (PeiServices, VariableName, VariableGuid, &Variable); - if (Variable.CurrPtr == NULL || Status != EFI_SUCCESS) { - return Status; - } - // - // Get data size - // - VarDataSize = Variable.CurrPtr->DataSize; - if (*DataSize >= VarDataSize) { - (*PeiServices)->CopyMem (Data, GET_VARIABLE_DATA_PTR (Variable.CurrPtr), VarDataSize); - - if (Attributes != NULL) { - *Attributes = Variable.CurrPtr->Attributes; - } - - *DataSize = VarDataSize; - return EFI_SUCCESS; - } else { - *DataSize = VarDataSize; - return EFI_BUFFER_TOO_SMALL; - } -} - -EFI_STATUS -EFIAPI -PeiGetNextVariableName ( - IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This, - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VariableGuid - ) -/*++ - -Routine Description: - - Provide the get next variable functionality of the variable services. - -Arguments: - - PeiServices - General purpose services available to every PEIM. - VariabvleNameSize - The variable name's size. - VariableName - A pointer to the variable's name. - VariableGuid - A pointer to the EFI_GUID structure. - - VariableNameSize - Size of the variable name - - VariableName - The variable name - - VendorGuid - The vendor's GUID - -Returns: - - EFI_SUCCESS - The interface could be successfully installed - - EFI_NOT_FOUND - The variable could not be discovered - ---*/ -{ - VARIABLE_POINTER_TRACK Variable; - UINTN VarNameSize; - EFI_STATUS Status; - EFI_PEI_SERVICES **PeiServices; - - PeiServices = GetPeiServicesTablePointer (); - if (VariableName == NULL) { - return EFI_INVALID_PARAMETER; - } - - Status = FindVariable (PeiServices, VariableName, VariableGuid, &Variable); - if (Variable.CurrPtr == NULL || Status != EFI_SUCCESS) { - return Status; - } - - if (VariableName[0] != 0) { - // - // If variable name is not NULL, get next variable - // - Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr); - } - - while (!(Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL)) { - if (IsValidVariableHeader (Variable.CurrPtr)) { - if (Variable.CurrPtr->State == VAR_ADDED) { - VarNameSize = (UINTN) Variable.CurrPtr->NameSize; - if (VarNameSize <= *VariableNameSize) { - (*PeiServices)->CopyMem (VariableName, GET_VARIABLE_NAME_PTR (Variable.CurrPtr), VarNameSize); - - (*PeiServices)->CopyMem (VariableGuid, &Variable.CurrPtr->VendorGuid, sizeof (EFI_GUID)); - - Status = EFI_SUCCESS; - } else { - Status = EFI_BUFFER_TOO_SMALL; - } - - *VariableNameSize = VarNameSize; - return Status; - // - // Variable is found - // - } else { - Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr); - } - } else { - break; - } - } - - return EFI_NOT_FOUND; -} diff --git a/MdeModulePkg/Universal/VariablePei/Variable.dxs b/MdeModulePkg/Universal/VariablePei/Variable.dxs deleted file mode 100644 index 8c2255a..0000000 --- a/MdeModulePkg/Universal/VariablePei/Variable.dxs +++ /dev/null @@ -1,32 +0,0 @@ -/*++ - -Copyright (c) 2006, 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. - -Module Name: - - Variable.dxs - -Abstract: - - Dependency expression file for Variable PEIM. - ---*/ -// -// Include common header file for this module. -// -#include "CommonHeader.h" - -#include - -DEPENDENCY_START - TRUE -DEPENDENCY_END - - diff --git a/MdeModulePkg/Universal/VariablePei/Variable.h b/MdeModulePkg/Universal/VariablePei/Variable.h deleted file mode 100644 index 9747a8d..0000000 --- a/MdeModulePkg/Universal/VariablePei/Variable.h +++ /dev/null @@ -1,193 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, 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. - -Module Name: - - Variable.h - -Abstract: - - Tiano PEIM to provide the variable functionality - ---*/ - -#ifndef _PEI_VARIABLE_H -#define _PEI_VARIABLE_H - -#include -#include -#include -#include -#include -#include -#include -#include - - -// -// BugBug: We need relcate the head file. -// -#include - -// -// Define GET_PAD_SIZE to optimize compiler -// -#if ((ALIGNMENT == 0) || (ALIGNMENT == 1)) -#define GET_PAD_SIZE(a) (0) -#else -#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1)) -#endif - -#define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER)) - -#define GET_VARIABLE_DATA_PTR(a) \ - (UINT8 *) ((UINTN) GET_VARIABLE_NAME_PTR (a) + (a)->NameSize + GET_PAD_SIZE ((a)->NameSize)) - -typedef struct { - VARIABLE_HEADER *CurrPtr; - VARIABLE_HEADER *EndPtr; - VARIABLE_HEADER *StartPtr; -} VARIABLE_POINTER_TRACK; - -#define VARIABLE_INDEX_TABLE_VOLUME 122 - -#define EFI_VARIABLE_INDEX_TABLE_GUID \ - { 0x8cfdb8c8, 0xd6b2, 0x40f3, { 0x8e, 0x97, 0x02, 0x30, 0x7c, 0xc9, 0x8b, 0x7c } } - -typedef struct { - UINT16 Length; - UINT16 GoneThrough; - VARIABLE_HEADER *EndPtr; - VARIABLE_HEADER *StartPtr; - UINT16 Index[VARIABLE_INDEX_TABLE_VOLUME]; -} VARIABLE_INDEX_TABLE; - - -// -// Functions -// -EFI_STATUS -EFIAPI -PeimInitializeVariableServices ( - IN EFI_FFS_FILE_HEADER *FfsHeader, - IN EFI_PEI_SERVICES **PeiServices - ) -/*++ - -Routine Description: - - TODO: Add function description - -Arguments: - - FfsHeader - TODO: add argument description - PeiServices - TODO: add argument description - -Returns: - - TODO: add return values - ---*/ -; - -EFI_STATUS -EFIAPI -PeiGetVariable ( - IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This, - IN CONST CHAR16 *VariableName, - IN CONST EFI_GUID *VariableGuid, - OUT UINT32 *Attributes, - IN OUT UINTN *DataSize, - OUT VOID *Data - ) -/*++ - -Routine Description: - - TODO: Add function description - -Arguments: - - PeiServices - TODO: add argument description - VariableName - TODO: add argument description - VendorGuid - TODO: add argument description - Attributes - TODO: add argument description - DataSize - TODO: add argument description - Data - TODO: add argument description - -Returns: - - TODO: add return values - ---*/ -; - -EFI_STATUS -EFIAPI -PeiGetNextVariableName ( - IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This, - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VariableGuid - ) -/*++ - -Routine Description: - - TODO: Add function description - -Arguments: - - PeiServices - TODO: add argument description - VariableNameSize - TODO: add argument description - VariableName - TODO: add argument description - VendorGuid - TODO: add argument description - -Returns: - - TODO: add return values - ---*/ -; - -/** - Get one variable by the index count. - - @param IndexTable The pointer to variable index table. - @param Count The index count of variable in index table. - - @return The pointer to variable header indexed by count. - -**/ -VARIABLE_HEADER * -GetVariableByIndex ( - IN VARIABLE_INDEX_TABLE *IndexTable, - IN UINT32 Count - ); - -/** - Record Variable in VariableIndex HOB. - - Record Variable in VariableIndex HOB and update the length of variable index table. - - @param IndexTable The pointer to variable index table. - @param Variable The pointer to the variable that will be recorded. - - @retval VOID - -**/ -VOID -VariableIndexTableUpdate ( - IN OUT VARIABLE_INDEX_TABLE *IndexTable, - IN VARIABLE_HEADER *Variable - ); - -#endif // _PEI_VARIABLE_H diff --git a/MdeModulePkg/Universal/VariablePei/Variable.msa b/MdeModulePkg/Universal/VariablePei/Variable.msa deleted file mode 100644 index 565ae31..0000000 --- a/MdeModulePkg/Universal/VariablePei/Variable.msa +++ /dev/null @@ -1,76 +0,0 @@ - - - - PeiVariable - PEIM - 34C8C28F-B61C-45a2-8F2E-89E46BECC63B - 1.0 - Component description file for PeiVariable module. - Framework PEIM to provide the Variable functionality. - Copyright (c) 2006 - 2007, 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. - FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052 - - - IA32 X64 IPF EBC - false - PeiVariable - - - - DebugLib - - - PeimEntryPoint - - - HobLib - - - PcdLib - - - BaseMemoryLib - - - - Variable.h - Variable.c - Variable.dxs - VariableWorker.c - Ipf/VariableWorker.c - Ia32/VarMachine.h - Ebc/VarMachine.h - x64/VarMachine.h - Ipf/VarMachine.h - - - - - - - - gEfiPeiReadOnlyVariablePpiGuid - - - - EFI_SPECIFICATION_VERSION 0x00020000 - EDK_RELEASE_VERSION 0x00020000 - - PeimInitializeVariableServices - - - - - PcdFlashNvStorageVariableBase - gEfiGenericPlatformTokenSpaceGuid - The driver gets the Variable store base address from this PCD. This base address point to - an EFI_FIRMWARE_VOLUMN_HEADER struct. - - - \ No newline at end of file diff --git a/MdeModulePkg/Universal/VariablePei/VariablePei.inf b/MdeModulePkg/Universal/VariablePei/VariablePei.inf deleted file mode 100644 index 72a6b79..0000000 --- a/MdeModulePkg/Universal/VariablePei/VariablePei.inf +++ /dev/null @@ -1,69 +0,0 @@ -#/** @file -# Component description file for PeiVariable module. -# -# Framework PEIM to provide the Variable functionality. -# Copyright (c) 2006 - 2007, 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 = PeiVariable - FILE_GUID = 34C8C28F-B61C-45a2-8F2E-89E46BECC63B - MODULE_TYPE = PEIM - VERSION_STRING = 1.0 - EDK_RELEASE_VERSION = 0x00020000 - EFI_SPECIFICATION_VERSION = 0x00020000 - - ENTRY_POINT = PeimInitializeVariableServices - -# -# The following information is for reference only and not required by the build tools. -# -# VALID_ARCHITECTURES = IA32 X64 IPF EBC -# - -[Sources.common] - Variable.c - Variable.h - -[Sources.Ia32] - VariableWorker.c - -[Sources.X64] - VariableWorker.c - -[Sources.IPF] - Ipf/VariableWorker.c - -[Sources.EBC] - VariableWorker.c - -[Packages] - MdePkg/MdePkg.dec - MdeModulePkg/MdeModulePkg.dec - -[LibraryClasses] - BaseMemoryLib - PcdLib - HobLib - PeimEntryPoint - DebugLib - PeiServiceTablePointerLib - -[Ppis] - gEfiPeiReadOnlyVariable2PpiGuid # PPI ALWAYS_CONSUMED - -[PcdsDynamic.common] - PcdFlashNvStorageVariableBase|gEfiMdeModulePkgTokenSpaceGuid - -[Depex] - TRUE diff --git a/MdeModulePkg/Universal/VariablePei/VariableWorker.c b/MdeModulePkg/Universal/VariablePei/VariableWorker.c deleted file mode 100644 index 1a49ee8..0000000 --- a/MdeModulePkg/Universal/VariablePei/VariableWorker.c +++ /dev/null @@ -1,63 +0,0 @@ -/*++ - -Copyright (c) 2007, 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. - -Module Name: - - VariableWorker.c - -Abstract: - - Framework PEIM to provide the Variable functionality - ---*/ - -#include - -/** - Get one variable by the index count. - - @param IndexTable The pointer to variable index table. - @param Count The index count of variable in index table. - - @return The pointer to variable header indexed by count. - -**/ -VARIABLE_HEADER * -GetVariableByIndex ( - IN VARIABLE_INDEX_TABLE *IndexTable, - IN UINT32 Count - ) -{ - return (VARIABLE_HEADER *) (UINTN) (IndexTable->Index[Count] + ((UINTN) IndexTable->StartPtr & 0xFFFF0000)); -} - -/** - Record Variable in VariableIndex HOB. - - Record Variable in VariableIndex HOB and update the length of variable index table. - - @param IndexTable The pointer to variable index table. - @param Variable The pointer to the variable that will be recorded. - - @retval VOID - -**/ -VOID -VariableIndexTableUpdate ( - IN OUT VARIABLE_INDEX_TABLE *IndexTable, - IN VARIABLE_HEADER *Variable - ) -{ - IndexTable->Index[IndexTable->Length++] = (UINT16) (UINTN) Variable; - - return; -} - diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/InitVariable.c b/MdeModulePkg/Universal/VariableRuntimeDxe/InitVariable.c deleted file mode 100644 index 59403e9..0000000 --- a/MdeModulePkg/Universal/VariableRuntimeDxe/InitVariable.c +++ /dev/null @@ -1,229 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, 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. - -Module Name: - - InitVariable.c - -Abstract: - -Revision History - ---*/ - -#include "Variable.h" - -// -// Event for Exit Boot Services Callback -// -STATIC EFI_EVENT mExitBootServicesEvent = NULL; - - -// -// Don't use module globals after the SetVirtualAddress map is signaled -// -extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal; - -EFI_STATUS -EFIAPI -RuntimeServiceGetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID * VendorGuid, - OUT UINT32 *Attributes OPTIONAL, - IN OUT UINTN *DataSize, - OUT VOID *Data - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - return GetVariable ( - VariableName, - VendorGuid, - Attributes OPTIONAL, - DataSize, - Data, - &mVariableModuleGlobal->VariableGlobal[Physical], - mVariableModuleGlobal->FvbInstance - ); -} - -EFI_STATUS -EFIAPI -RuntimeServiceGetNextVariableName ( - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VendorGuid - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - return GetNextVariableName ( - VariableNameSize, - VariableName, - VendorGuid, - &mVariableModuleGlobal->VariableGlobal[Physical], - mVariableModuleGlobal->FvbInstance - ); -} - -EFI_STATUS -EFIAPI -RuntimeServiceSetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - return SetVariable ( - VariableName, - VendorGuid, - Attributes, - DataSize, - Data, - &mVariableModuleGlobal->VariableGlobal[Physical], - &mVariableModuleGlobal->VolatileLastVariableOffset, - &mVariableModuleGlobal->NonVolatileLastVariableOffset, - mVariableModuleGlobal->FvbInstance - ); -} - -EFI_STATUS -EFIAPI -RuntimeServiceQueryVariableInfo ( - IN UINT32 Attributes, - OUT UINT64 *MaximumVariableStorageSize, - OUT UINT64 *RemainingVariableStorageSize, - OUT UINT64 *MaximumVariableSize - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - return QueryVariableInfo ( - Attributes, - MaximumVariableStorageSize, - RemainingVariableStorageSize, - MaximumVariableSize, - &mVariableModuleGlobal->VariableGlobal[Physical], - mVariableModuleGlobal->FvbInstance - ); -} - -VOID -EFIAPI -VariableClassAddressChangeEvent ( - IN EFI_EVENT Event, - IN VOID *Context - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - EfiConvertPointer ( - 0x0, - (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase - ); - EfiConvertPointer ( - 0x0, - (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase - ); - EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal); -} - -EFI_STATUS -EFIAPI -VariableServiceInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - EFI_HANDLE NewHandle; - EFI_STATUS Status; - - Status = VariableCommonInitialize (ImageHandle, SystemTable); - ASSERT_EFI_ERROR (Status); - - SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable; - SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName; - SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable; - SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo; - - // - // Now install the Variable Runtime Architectural Protocol on a new handle - // - NewHandle = NULL; - Status = gBS->InstallMultipleProtocolInterfaces ( - &NewHandle, - &gEfiVariableArchProtocolGuid, - NULL, - &gEfiVariableWriteArchProtocolGuid, - NULL, - NULL - ); - ASSERT_EFI_ERROR (Status); - - Status = gBS->CreateEvent ( - EVT_SIGNAL_EXIT_BOOT_SERVICES, - TPL_NOTIFY, - VariableClassAddressChangeEvent, - NULL, - &mExitBootServicesEvent - ); - ASSERT_EFI_ERROR (Status); - - return EFI_SUCCESS; -} diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.c b/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.c deleted file mode 100644 index 784a198..0000000 --- a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.c +++ /dev/null @@ -1,1477 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, 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. - -Module Name: - - Variable.c - -Abstract: - -Revision History - ---*/ - - -#include "Variable.h" -#include - -// -// Don't use module globals after the SetVirtualAddress map is signaled -// -ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal; - -// -// This is a temperary function which will be removed -// when EfiAcquireLock in UefiLib can handle the -// the call in UEFI Runtimer driver in RT phase. -// -STATIC -VOID -AcquireLockOnlyAtBootTime ( - IN EFI_LOCK *Lock - ) -{ - if (!EfiAtRuntime ()) { - EfiAcquireLock (Lock); - } -} - -// -// This is a temperary function which will be removed -// when EfiAcquireLock in UefiLib can handle the -// the call in UEFI Runtimer driver in RT phase. -// -STATIC -VOID -ReleaseLockOnlyAtBootTime ( - IN EFI_LOCK *Lock - ) -{ - if (!EfiAtRuntime ()) { - EfiReleaseLock (Lock); - } -} - -STATIC -BOOLEAN -EFIAPI -IsValidVariableHeader ( - IN VARIABLE_HEADER *Variable - ) -/*++ - -Routine Description: - - This code checks if variable header is valid or not. - -Arguments: - Variable Pointer to the Variable Header. - -Returns: - TRUE Variable header is valid. - FALSE Variable header is not valid. - ---*/ -{ - if (Variable == NULL || - Variable->StartId != VARIABLE_DATA || - (sizeof (VARIABLE_HEADER) + Variable->NameSize + Variable->DataSize) > MAX_VARIABLE_SIZE - ) { - return FALSE; - } - - return TRUE; -} - -STATIC -EFI_STATUS -EFIAPI -UpdateVariableStore ( - IN VARIABLE_GLOBAL *Global, - IN BOOLEAN Volatile, - IN BOOLEAN SetByIndex, - IN UINTN Instance, - IN UINTN DataPtrIndex, - IN UINT32 DataSize, - IN UINT8 *Buffer - ) -/*++ - -Routine Description: - - This function writes data to the FWH at the correct LBA even if the LBAs - are fragmented. - -Arguments: - - Global Pointer to VARAIBLE_GLOBAL structure - Volatile If the Variable is Volatile or Non-Volatile - SetByIndex TRUE: Target pointer is given as index - FALSE: Target pointer is absolute - Instance Instance of FV Block services - DataPtrIndex Pointer to the Data from the end of VARIABLE_STORE_HEADER - structure - DataSize Size of data to be written. - Buffer Pointer to the buffer from which data is written - -Returns: - - EFI STATUS - ---*/ -{ - EFI_FV_BLOCK_MAP_ENTRY *PtrBlockMapEntry; - UINTN BlockIndex2; - UINTN LinearOffset; - UINTN CurrWriteSize; - UINTN CurrWritePtr; - UINT8 *CurrBuffer; - EFI_LBA LbaNumber; - UINTN Size; - EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; - VARIABLE_STORE_HEADER *VolatileBase; - EFI_PHYSICAL_ADDRESS FvVolHdr; - EFI_PHYSICAL_ADDRESS DataPtr; - EFI_STATUS Status; - - FwVolHeader = NULL; - DataPtr = DataPtrIndex; - - // - // Check if the Data is Volatile - // - if (!Volatile) { - EfiFvbGetPhysicalAddress (Instance, &FvVolHdr); - FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvVolHdr); - // - // Data Pointer should point to the actual Address where data is to be - // written - // - if (SetByIndex) { - DataPtr += Global->NonVolatileVariableBase; - } - - if ((DataPtr + DataSize) >= ((EFI_PHYSICAL_ADDRESS) (UINTN) ((UINT8 *) FwVolHeader + FwVolHeader->FvLength))) { - return EFI_INVALID_PARAMETER; - } - } else { - // - // Data Pointer should point to the actual Address where data is to be - // written - // - VolatileBase = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase); - if (SetByIndex) { - DataPtr += Global->VolatileVariableBase; - } - - if ((DataPtr + DataSize) >= ((UINTN) ((UINT8 *) VolatileBase + VolatileBase->Size))) { - return EFI_INVALID_PARAMETER; - } - } - // - // If Volatile Variable just do a simple mem copy. - // - if (Volatile) { - CopyMem ((UINT8 *) ((UINTN) DataPtr), Buffer, DataSize); - return EFI_SUCCESS; - } - // - // If we are here we are dealing with Non-Volatile Variables - // - LinearOffset = (UINTN) FwVolHeader; - CurrWritePtr = (UINTN) DataPtr; - CurrWriteSize = DataSize; - CurrBuffer = Buffer; - LbaNumber = 0; - - if (CurrWritePtr < LinearOffset) { - return EFI_INVALID_PARAMETER; - } - - for (PtrBlockMapEntry = FwVolHeader->BlockMap; PtrBlockMapEntry->NumBlocks != 0; PtrBlockMapEntry++) { - for (BlockIndex2 = 0; BlockIndex2 < PtrBlockMapEntry->NumBlocks; BlockIndex2++) { - // - // Check to see if the Variable Writes are spanning through multiple - // blocks. - // - if ((CurrWritePtr >= LinearOffset) && (CurrWritePtr < LinearOffset + PtrBlockMapEntry->Length)) { - if ((CurrWritePtr + CurrWriteSize) <= (LinearOffset + PtrBlockMapEntry->Length)) { - Status = EfiFvbWriteBlock ( - Instance, - LbaNumber, - (UINTN) (CurrWritePtr - LinearOffset), - &CurrWriteSize, - CurrBuffer - ); - if (EFI_ERROR (Status)) { - return Status; - } - } else { - Size = (UINT32) (LinearOffset + PtrBlockMapEntry->Length - CurrWritePtr); - Status = EfiFvbWriteBlock ( - Instance, - LbaNumber, - (UINTN) (CurrWritePtr - LinearOffset), - &Size, - CurrBuffer - ); - if (EFI_ERROR (Status)) { - return Status; - } - - CurrWritePtr = LinearOffset + PtrBlockMapEntry->Length; - CurrBuffer = CurrBuffer + Size; - CurrWriteSize = CurrWriteSize - Size; - } - } - - LinearOffset += PtrBlockMapEntry->Length; - LbaNumber++; - } - } - - return EFI_SUCCESS; -} - -STATIC -VARIABLE_STORE_STATUS -EFIAPI -GetVariableStoreStatus ( - IN VARIABLE_STORE_HEADER *VarStoreHeader - ) -/*++ - -Routine Description: - - This code gets the current status of Variable Store. - -Arguments: - - VarStoreHeader Pointer to the Variable Store Header. - -Returns: - - EfiRaw Variable store status is raw - EfiValid Variable store status is valid - EfiInvalid Variable store status is invalid - ---*/ -{ - if (VarStoreHeader->Signature == VARIABLE_STORE_SIGNATURE && - VarStoreHeader->Format == VARIABLE_STORE_FORMATTED && - VarStoreHeader->State == VARIABLE_STORE_HEALTHY - ) { - - return EfiValid; - } else if (VarStoreHeader->Signature == 0xffffffff && - VarStoreHeader->Size == 0xffffffff && - VarStoreHeader->Format == 0xff && - VarStoreHeader->State == 0xff - ) { - - return EfiRaw; - } else { - return EfiInvalid; - } -} - -STATIC -UINT8 * -EFIAPI -GetVariableDataPtr ( - IN VARIABLE_HEADER *Variable - ) -/*++ - -Routine Description: - - This code gets the pointer to the variable data. - -Arguments: - - Variable Pointer to the Variable Header. - -Returns: - - UINT8* Pointer to Variable Data - ---*/ -{ - // - // Be careful about pad size for alignment - // - return (UINT8 *) ((UINTN) GET_VARIABLE_NAME_PTR (Variable) + Variable->NameSize + GET_PAD_SIZE (Variable->NameSize)); -} - -STATIC -VARIABLE_HEADER * -EFIAPI -GetNextVariablePtr ( - IN VARIABLE_HEADER *Variable - ) -/*++ - -Routine Description: - - This code gets the pointer to the next variable header. - -Arguments: - - Variable Pointer to the Variable Header. - -Returns: - - VARIABLE_HEADER* Pointer to next variable header. - ---*/ -{ - if (!IsValidVariableHeader (Variable)) { - return NULL; - } - // - // Be careful about pad size for alignment - // - return (VARIABLE_HEADER *) ((UINTN) GetVariableDataPtr (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize)); -} - -STATIC -VARIABLE_HEADER * -EFIAPI -GetEndPointer ( - IN VARIABLE_STORE_HEADER *VarStoreHeader - ) -/*++ - -Routine Description: - - This code gets the pointer to the last variable memory pointer byte - -Arguments: - - VarStoreHeader Pointer to the Variable Store Header. - -Returns: - - VARIABLE_HEADER* Pointer to last unavailable Variable Header - ---*/ -{ - // - // The end of variable store - // - return (VARIABLE_HEADER *) ((UINTN) VarStoreHeader + VarStoreHeader->Size); -} - -STATIC -EFI_STATUS -EFIAPI -Reclaim ( - IN EFI_PHYSICAL_ADDRESS VariableBase, - OUT UINTN *LastVariableOffset, - IN BOOLEAN IsVolatile - ) -/*++ - -Routine Description: - - Variable store garbage collection and reclaim operation - -Arguments: - - VariableBase Base address of variable store - LastVariableOffset Offset of last variable - IsVolatile The variable store is volatile or not, - if it is non-volatile, need FTW - -Returns: - - EFI STATUS - ---*/ -{ - VARIABLE_HEADER *Variable; - VARIABLE_HEADER *NextVariable; - VARIABLE_STORE_HEADER *VariableStoreHeader; - UINT8 *ValidBuffer; - UINTN ValidBufferSize; - UINTN VariableSize; - UINT8 *CurrPtr; - EFI_STATUS Status; - - VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) VariableBase); - - // - // Start Pointers for the variable. - // - Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1); - - ValidBufferSize = sizeof (VARIABLE_STORE_HEADER); - - while (IsValidVariableHeader (Variable)) { - NextVariable = GetNextVariablePtr (Variable); - if (Variable->State == VAR_ADDED) { - VariableSize = (UINTN) NextVariable - (UINTN) Variable; - ValidBufferSize += VariableSize; - } - - Variable = NextVariable; - } - - ValidBuffer = AllocatePool (ValidBufferSize); - if (ValidBuffer == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - SetMem (ValidBuffer, ValidBufferSize, 0xff); - - CurrPtr = ValidBuffer; - - // - // Copy variable store header - // - CopyMem (CurrPtr, VariableStoreHeader, sizeof (VARIABLE_STORE_HEADER)); - CurrPtr += sizeof (VARIABLE_STORE_HEADER); - - // - // Start Pointers for the variable. - // - Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1); - - while (IsValidVariableHeader (Variable)) { - NextVariable = GetNextVariablePtr (Variable); - if (Variable->State == VAR_ADDED) { - VariableSize = (UINTN) NextVariable - (UINTN) Variable; - CopyMem (CurrPtr, (UINT8 *) Variable, VariableSize); - CurrPtr += VariableSize; - } - - Variable = NextVariable; - } - - if (IsVolatile) { - // - // If volatile variable store, just copy valid buffer - // - SetMem ((UINT8 *) (UINTN) VariableBase, VariableStoreHeader->Size, 0xff); - CopyMem ((UINT8 *) (UINTN) VariableBase, ValidBuffer, ValidBufferSize); - *LastVariableOffset = ValidBufferSize; - Status = EFI_SUCCESS; - } else { - // - // If non-volatile variable store, perform FTW here. - // - Status = FtwVariableSpace ( - VariableBase, - ValidBuffer, - ValidBufferSize - ); - if (!EFI_ERROR (Status)) { - *LastVariableOffset = ValidBufferSize; - } - } - - FreePool (ValidBuffer); - - if (EFI_ERROR (Status)) { - *LastVariableOffset = 0; - } - - return Status; -} - -STATIC -EFI_STATUS -EFIAPI -FindVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - OUT VARIABLE_POINTER_TRACK *PtrTrack, - IN VARIABLE_GLOBAL *Global - ) -/*++ - -Routine Description: - - This code finds variable in storage blocks (Volatile or Non-Volatile) - -Arguments: - - VariableName Name of the variable to be found - VendorGuid Vendor GUID to be found. - PtrTrack Variable Track Pointer structure that contains - Variable Information. - Contains the pointer of Variable header. - Global VARIABLE_GLOBAL pointer - -Returns: - - EFI STATUS - ---*/ -{ - VARIABLE_HEADER *Variable[2]; - VARIABLE_STORE_HEADER *VariableStoreHeader[2]; - UINTN Index; - - // - // We aquire the lock at the entry of FindVariable as GetVariable, GetNextVariableName - // SetVariable all call FindVariable at entry point. Please move "Aquire Lock" to - // the correct places if this assumption does not hold TRUE anymore. - // - AcquireLockOnlyAtBootTime(&Global->VariableServicesLock); - - // - // 0: Non-Volatile, 1: Volatile - // - VariableStoreHeader[0] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase); - VariableStoreHeader[1] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase); - - // - // Start Pointers for the variable. - // Actual Data Pointer where data can be written. - // - Variable[0] = (VARIABLE_HEADER *) (VariableStoreHeader[0] + 1); - Variable[1] = (VARIABLE_HEADER *) (VariableStoreHeader[1] + 1); - - if (VariableName[0] != 0 && VendorGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // Find the variable by walk through non-volatile and volatile variable store - // - for (Index = 0; Index < 2; Index++) { - PtrTrack->StartPtr = (VARIABLE_HEADER *) (VariableStoreHeader[Index] + 1); - PtrTrack->EndPtr = GetEndPointer (VariableStoreHeader[Index]); - - while (IsValidVariableHeader (Variable[Index]) && (Variable[Index] <= GetEndPointer (VariableStoreHeader[Index]))) { - if (Variable[Index]->State == VAR_ADDED) { - if (!(EfiAtRuntime () && !(Variable[Index]->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) { - if (VariableName[0] == 0) { - PtrTrack->CurrPtr = Variable[Index]; - PtrTrack->Volatile = (BOOLEAN) Index; - return EFI_SUCCESS; - } else { - if (CompareGuid (VendorGuid, &Variable[Index]->VendorGuid)) { - if (!CompareMem (VariableName, GET_VARIABLE_NAME_PTR (Variable[Index]), Variable[Index]->NameSize)) { - PtrTrack->CurrPtr = Variable[Index]; - PtrTrack->Volatile = (BOOLEAN) Index; - return EFI_SUCCESS; - } - } - } - } - } - - Variable[Index] = GetNextVariablePtr (Variable[Index]); - } - // - // While (...) - // - } - // - // for (...) - // - PtrTrack->CurrPtr = NULL; - return EFI_NOT_FOUND; -} - -EFI_STATUS -EFIAPI -GetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID * VendorGuid, - OUT UINT32 *Attributes OPTIONAL, - IN OUT UINTN *DataSize, - OUT VOID *Data, - IN VARIABLE_GLOBAL * Global, - IN UINT32 Instance - ) -/*++ - -Routine Description: - - This code finds variable in storage blocks (Volatile or Non-Volatile) - -Arguments: - - VariableName Name of Variable to be found - VendorGuid Variable vendor GUID - Attributes OPTIONAL Attribute value of the variable found - DataSize Size of Data found. If size is less than the - data, this value contains the required size. - Data Data pointer - Global Pointer to VARIABLE_GLOBAL structure - Instance Instance of the Firmware Volume. - -Returns: - - EFI STATUS - ---*/ -{ - VARIABLE_POINTER_TRACK Variable; - UINTN VarDataSize; - EFI_STATUS Status; - - if (VariableName == NULL || VendorGuid == NULL || DataSize == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // Find existing variable - // - Status = FindVariable (VariableName, VendorGuid, &Variable, Global); - - if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) { - goto Done; - } - // - // Get data size - // - VarDataSize = Variable.CurrPtr->DataSize; - if (*DataSize >= VarDataSize) { - if (Data == NULL) { - Status = EFI_INVALID_PARAMETER; - goto Done; - } - - CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize); - if (Attributes != NULL) { - *Attributes = Variable.CurrPtr->Attributes; - } - - *DataSize = VarDataSize; - Status = EFI_SUCCESS; - goto Done; - } else { - *DataSize = VarDataSize; - Status = EFI_BUFFER_TOO_SMALL; - goto Done; - } - -Done: - ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock); - return Status; -} - -EFI_STATUS -EFIAPI -GetNextVariableName ( - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VendorGuid, - IN VARIABLE_GLOBAL *Global, - IN UINT32 Instance - ) -/*++ - -Routine Description: - - This code Finds the Next available variable - -Arguments: - - VariableNameSize Size of the variable - VariableName Pointer to variable name - VendorGuid Variable Vendor Guid - Global VARIABLE_GLOBAL structure pointer. - Instance FV instance - -Returns: - - EFI STATUS - ---*/ -{ - VARIABLE_POINTER_TRACK Variable; - UINTN VarNameSize; - EFI_STATUS Status; - - if (VariableNameSize == NULL || VariableName == NULL || VendorGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - - Status = FindVariable (VariableName, VendorGuid, &Variable, Global); - - if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) { - goto Done; - } - - if (VariableName[0] != 0) { - // - // If variable name is not NULL, get next variable - // - Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr); - } - - while (TRUE) { - // - // If both volatile and non-volatile variable store are parsed, - // return not found - // - if (Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL) { - Variable.Volatile = (BOOLEAN) (Variable.Volatile ^ ((BOOLEAN) 0x1)); - if (Variable.Volatile) { - Variable.StartPtr = (VARIABLE_HEADER *) ((UINTN) (Global->VolatileVariableBase + sizeof (VARIABLE_STORE_HEADER))); - Variable.EndPtr = (VARIABLE_HEADER *) GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase)); - } else { - Status = EFI_NOT_FOUND; - goto Done; - } - - Variable.CurrPtr = Variable.StartPtr; - if (!IsValidVariableHeader (Variable.CurrPtr)) { - continue; - } - } - // - // Variable is found - // - if (IsValidVariableHeader (Variable.CurrPtr) && Variable.CurrPtr->State == VAR_ADDED) { - if (!(EfiAtRuntime () && !(Variable.CurrPtr->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) { - VarNameSize = Variable.CurrPtr->NameSize; - if (VarNameSize <= *VariableNameSize) { - CopyMem ( - VariableName, - GET_VARIABLE_NAME_PTR (Variable.CurrPtr), - VarNameSize - ); - CopyMem ( - VendorGuid, - &Variable.CurrPtr->VendorGuid, - sizeof (EFI_GUID) - ); - Status = EFI_SUCCESS; - } else { - Status = EFI_BUFFER_TOO_SMALL; - } - - *VariableNameSize = VarNameSize; - goto Done; - } - } - - Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr); - } - -Done: - ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock); - return Status; -} - -EFI_STATUS -EFIAPI -SetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data, - IN VARIABLE_GLOBAL *Global, - IN UINTN *VolatileOffset, - IN UINTN *NonVolatileOffset, - IN UINT32 Instance - ) -/*++ - -Routine Description: - - This code sets variable in storage blocks (Volatile or Non-Volatile) - -Arguments: - - VariableName Name of Variable to be found - VendorGuid Variable vendor GUID - Attributes Attribute value of the variable found - DataSize Size of Data found. If size is less than the - data, this value contains the required size. - Data Data pointer - Global Pointer to VARIABLE_GLOBAL structure - VolatileOffset The offset of last volatile variable - NonVolatileOffset The offset of last non-volatile variable - Instance Instance of the Firmware Volume. - -Returns: - - EFI STATUS - EFI_INVALID_PARAMETER - Invalid parameter - EFI_SUCCESS - Set successfully - EFI_OUT_OF_RESOURCES - Resource not enough to set variable - EFI_NOT_FOUND - Not found - ---*/ -{ - VARIABLE_POINTER_TRACK Variable; - EFI_STATUS Status; - VARIABLE_HEADER *NextVariable; - UINTN VarNameSize; - UINTN VarNameOffset; - UINTN VarDataOffset; - UINTN VarSize; - UINT8 State; - BOOLEAN Reclaimed; - - Reclaimed = FALSE; - - if (VariableName == NULL || VariableName[0] == 0 || VendorGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - - Status = FindVariable (VariableName, VendorGuid, &Variable, Global); - - if (Status == EFI_INVALID_PARAMETER) { - goto Done; - } else if (!EFI_ERROR (Status) && Variable.Volatile && EfiAtRuntime()) { - // - // If EfiAtRuntime and the variable is Volatile and Runtime Access, - // the volatile is ReadOnly, and SetVariable should be aborted and - // return EFI_WRITE_PROTECTED. - // - Status = EFI_WRITE_PROTECTED; - goto Done; - } else if (sizeof (VARIABLE_HEADER) + StrSize (VariableName) + DataSize > MAX_VARIABLE_SIZE) { - // - // The size of the VariableName, including the Unicode Null in bytes plus - // the DataSize is limited to maximum size of MAX_VARIABLE_SIZE (1024) bytes. - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if (Attributes == EFI_VARIABLE_NON_VOLATILE) { - // - // Make sure not only EFI_VARIABLE_NON_VOLATILE is set - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == - EFI_VARIABLE_RUNTIME_ACCESS) { - // - // Make sure if runtime bit is set, boot service bit is set also - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) { - // - // Runtime but Attribute is not Runtime - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_NON_VOLATILE)) { - // - // Cannot set volatile variable in Runtime - // - Status = EFI_INVALID_PARAMETER; - goto Done; - } else if (DataSize == 0 || (Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == 0) { - // - // Setting a data variable with no access, or zero DataSize attributes - // specified causes it to be deleted. - // - if (!EFI_ERROR (Status)) { - State = Variable.CurrPtr->State; - State &= VAR_DELETED; - - Status = UpdateVariableStore ( - Global, - Variable.Volatile, - FALSE, - Instance, - (UINTN) &Variable.CurrPtr->State, - sizeof (UINT8), - &State - ); - if (EFI_ERROR (Status)) { - goto Done; - } - - Status = EFI_SUCCESS; - goto Done; - } - - Status = EFI_NOT_FOUND; - goto Done; - } else { - if (!EFI_ERROR (Status)) { - // - // If the variable is marked valid and the same data has been passed in - // then return to the caller immediately. - // - if (Variable.CurrPtr->DataSize == DataSize && - !CompareMem (Data, GetVariableDataPtr (Variable.CurrPtr), DataSize) - ) { - Status = EFI_SUCCESS; - goto Done; - } else if (Variable.CurrPtr->State == VAR_ADDED) { - // - // Mark the old variable as in delete transition - // - State = Variable.CurrPtr->State; - State &= VAR_IN_DELETED_TRANSITION; - - Status = UpdateVariableStore ( - Global, - Variable.Volatile, - FALSE, - Instance, - (UINTN) &Variable.CurrPtr->State, - sizeof (UINT8), - &State - ); - if (EFI_ERROR (Status)) { - goto Done; - } - } - } - // - // Create a new variable and copy the data. - // - // Tricky part: Use scratch data area at the end of volatile variable store - // as a temporary storage. - // - NextVariable = GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase)); - - SetMem (NextVariable, SCRATCH_SIZE, 0xff); - - NextVariable->StartId = VARIABLE_DATA; - NextVariable->Attributes = Attributes; - // - // NextVariable->State = VAR_ADDED; - // - NextVariable->Reserved = 0; - VarNameOffset = sizeof (VARIABLE_HEADER); - VarNameSize = StrSize (VariableName); - CopyMem ( - (UINT8 *) ((UINTN) NextVariable + VarNameOffset), - VariableName, - VarNameSize - ); - VarDataOffset = VarNameOffset + VarNameSize + GET_PAD_SIZE (VarNameSize); - CopyMem ( - (UINT8 *) ((UINTN) NextVariable + VarDataOffset), - Data, - DataSize - ); - CopyMem (&NextVariable->VendorGuid, VendorGuid, sizeof (EFI_GUID)); - // - // There will be pad bytes after Data, the NextVariable->NameSize and - // NextVariable->DataSize should not include pad size so that variable - // service can get actual size in GetVariable - // - NextVariable->NameSize = (UINT32)VarNameSize; - NextVariable->DataSize = (UINT32)DataSize; - - // - // The actual size of the variable that stores in storage should - // include pad size. - // - VarSize = VarDataOffset + DataSize + GET_PAD_SIZE (DataSize); - if (Attributes & EFI_VARIABLE_NON_VOLATILE) { - if ((UINT32) (VarSize +*NonVolatileOffset) > - ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->NonVolatileVariableBase)))->Size - ) { - if (EfiAtRuntime ()) { - Status = EFI_OUT_OF_RESOURCES; - goto Done; - } - // - // Perform garbage collection & reclaim operation - // - Status = Reclaim (Global->NonVolatileVariableBase, NonVolatileOffset, FALSE); - if (EFI_ERROR (Status)) { - goto Done; - } - // - // If still no enough space, return out of resources - // - if ((UINT32) (VarSize +*NonVolatileOffset) > - ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->NonVolatileVariableBase)))->Size - ) { - Status = EFI_OUT_OF_RESOURCES; - goto Done; - } - - Reclaimed = TRUE; - } - // - // Three steps - // 1. Write variable header - // 2. Write variable data - // 3. Set variable state to valid - // - // - // Step 1: - // - Status = UpdateVariableStore ( - Global, - FALSE, - TRUE, - Instance, - *NonVolatileOffset, - sizeof (VARIABLE_HEADER), - (UINT8 *) NextVariable - ); - - if (EFI_ERROR (Status)) { - goto Done; - } - // - // Step 2: - // - Status = UpdateVariableStore ( - Global, - FALSE, - TRUE, - Instance, - *NonVolatileOffset + sizeof (VARIABLE_HEADER), - (UINT32) VarSize - sizeof (VARIABLE_HEADER), - (UINT8 *) NextVariable + sizeof (VARIABLE_HEADER) - ); - - if (EFI_ERROR (Status)) { - goto Done; - } - // - // Step 3: - // - NextVariable->State = VAR_ADDED; - Status = UpdateVariableStore ( - Global, - FALSE, - TRUE, - Instance, - *NonVolatileOffset, - sizeof (VARIABLE_HEADER), - (UINT8 *) NextVariable - ); - - if (EFI_ERROR (Status)) { - goto Done; - } - - *NonVolatileOffset = *NonVolatileOffset + VarSize; - - } else { - if (EfiAtRuntime ()) { - Status = EFI_INVALID_PARAMETER; - goto Done; - } - - if ((UINT32) (VarSize +*VolatileOffset) > - ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->VolatileVariableBase)))->Size - ) { - // - // Perform garbage collection & reclaim operation - // - Status = Reclaim (Global->VolatileVariableBase, VolatileOffset, TRUE); - if (EFI_ERROR (Status)) { - goto Done; - } - // - // If still no enough space, return out of resources - // - if ((UINT32) (VarSize +*VolatileOffset) > - ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->VolatileVariableBase)))->Size - ) { - Status = EFI_OUT_OF_RESOURCES; - goto Done; - } - - Reclaimed = TRUE; - } - - NextVariable->State = VAR_ADDED; - Status = UpdateVariableStore ( - Global, - TRUE, - TRUE, - Instance, - *VolatileOffset, - (UINT32) VarSize, - (UINT8 *) NextVariable - ); - - if (EFI_ERROR (Status)) { - goto Done; - } - - *VolatileOffset = *VolatileOffset + VarSize; - } - // - // Mark the old variable as deleted - // - if (!Reclaimed && !EFI_ERROR (Status) && Variable.CurrPtr != NULL) { - State = Variable.CurrPtr->State; - State &= VAR_DELETED; - - Status = UpdateVariableStore ( - Global, - Variable.Volatile, - FALSE, - Instance, - (UINTN) &Variable.CurrPtr->State, - sizeof (UINT8), - &State - ); - - if (EFI_ERROR (Status)) { - goto Done; - } - } - } - - Status = EFI_SUCCESS; -Done: - ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock); - return Status; -} - -EFI_STATUS -EFIAPI -QueryVariableInfo ( - IN UINT32 Attributes, - OUT UINT64 *MaximumVariableStorageSize, - OUT UINT64 *RemainingVariableStorageSize, - OUT UINT64 *MaximumVariableSize, - IN VARIABLE_GLOBAL *Global, - IN UINT32 Instance - ) -/*++ - -Routine Description: - - This code returns information about the EFI variables. - -Arguments: - - Attributes Attributes bitmask to specify the type of variables - on which to return information. - MaximumVariableStorageSize Pointer to the maximum size of the storage space available - for the EFI variables associated with the attributes specified. - RemainingVariableStorageSize Pointer to the remaining size of the storage space available - for the EFI variables associated with the attributes specified. - MaximumVariableSize Pointer to the maximum size of the individual EFI variables - associated with the attributes specified. - Global Pointer to VARIABLE_GLOBAL structure. - Instance Instance of the Firmware Volume. - -Returns: - - EFI STATUS - EFI_INVALID_PARAMETER - An invalid combination of attribute bits was supplied. - EFI_SUCCESS - Query successfully. - EFI_UNSUPPORTED - The attribute is not supported on this platform. - ---*/ -{ - VARIABLE_HEADER *Variable; - VARIABLE_HEADER *NextVariable; - UINT64 VariableSize; - VARIABLE_STORE_HEADER *VariableStoreHeader; - - if(MaximumVariableStorageSize == NULL || RemainingVariableStorageSize == NULL || MaximumVariableSize == NULL) { - return EFI_INVALID_PARAMETER; - } - - if((Attributes & (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)) == 0) { - // - // Make sure the Attributes combination is supported by the platform. - // - return EFI_UNSUPPORTED; - } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS) { - // - // Make sure if runtime bit is set, boot service bit is set also. - // - return EFI_INVALID_PARAMETER; - } else if (EfiAtRuntime () && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) { - // - // Make sure RT Attribute is set if we are in Runtime phase. - // - return EFI_INVALID_PARAMETER; - } - - AcquireLockOnlyAtBootTime(&Global->VariableServicesLock); - - if((Attributes & EFI_VARIABLE_NON_VOLATILE) == 0) { - // - // Query is Volatile related. - // - VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase); - } else { - // - // Query is Non-Volatile related. - // - VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase); - } - - // - // Now let's fill *MaximumVariableStorageSize *RemainingVariableStorageSize - // with the storage size (excluding the storage header size). - // - *MaximumVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER); - *RemainingVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER); - - // - // Let *MaximumVariableSize be MAX_VARIABLE_SIZE. - // - *MaximumVariableSize = MAX_VARIABLE_SIZE; - - // - // Point to the starting address of the variables. - // - Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1); - - // - // Now walk through the related variable store. - // - while (IsValidVariableHeader (Variable) && (Variable < GetEndPointer (VariableStoreHeader))) { - NextVariable = GetNextVariablePtr (Variable); - VariableSize = (UINT64) (UINTN) NextVariable - (UINT64) (UINTN) Variable; - - if (EfiAtRuntime ()) { - // - // we don't take the state of the variables in mind - // when calculating RemainingVariableStorageSize, - // since the space occupied by variables not marked with - // VAR_ADDED is not allowed to be reclaimed in Runtime. - // - *RemainingVariableStorageSize -= VariableSize; - } else { - // - // Only care about Variables with State VAR_ADDED,because - // the space not marked as VAR_ADDED is reclaimable now. - // - if (Variable->State == VAR_ADDED) { - *RemainingVariableStorageSize -= VariableSize; - } - } - - // - // Go to the next one - // - Variable = NextVariable; - } - - ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock); - return EFI_SUCCESS; -} - -EFI_STATUS -EFIAPI -VariableCommonInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -/*++ - -Routine Description: - This function does common initialization for variable services - -Arguments: - - ImageHandle - The firmware allocated handle for the EFI image. - SystemTable - A pointer to the EFI System Table. - -Returns: - - Status code. - - EFI_NOT_FOUND - Variable store area not found. - EFI_UNSUPPORTED - Currently only one non-volatile variable store is supported. - EFI_SUCCESS - Variable services successfully initialized. - ---*/ -{ - EFI_STATUS Status; - EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; - CHAR8 *CurrPtr; - VARIABLE_STORE_HEADER *VolatileVariableStore; - VARIABLE_STORE_HEADER *VariableStoreHeader; - VARIABLE_HEADER *NextVariable; - UINT32 Instance; - EFI_PHYSICAL_ADDRESS FvVolHdr; - - UINT64 TempVariableStoreHeader; - - EFI_GCD_MEMORY_SPACE_DESCRIPTOR GcdDescriptor; - EFI_FLASH_SUBAREA_ENTRY VariableStoreEntry; - UINT64 BaseAddress; - UINT64 Length; - UINTN Index; - UINT8 Data; - - mVariableModuleGlobal = AllocateRuntimePool (sizeof (ESAL_VARIABLE_GLOBAL)); - if (mVariableModuleGlobal == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - EfiInitializeLock(&mVariableModuleGlobal->VariableGlobal[Physical].VariableServicesLock, TPL_NOTIFY); - - // - // Allocate memory for volatile variable store - // - VolatileVariableStore = AllocateRuntimePool (VARIABLE_STORE_SIZE + SCRATCH_SIZE); - if (VolatileVariableStore == NULL) { - FreePool (mVariableModuleGlobal); - return EFI_OUT_OF_RESOURCES; - } - - SetMem (VolatileVariableStore, VARIABLE_STORE_SIZE + SCRATCH_SIZE, 0xff); - - // - // Variable Specific Data - // - mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase = (EFI_PHYSICAL_ADDRESS) (UINTN) VolatileVariableStore; - mVariableModuleGlobal->VolatileLastVariableOffset = sizeof (VARIABLE_STORE_HEADER); - - VolatileVariableStore->Signature = VARIABLE_STORE_SIGNATURE; - VolatileVariableStore->Size = VARIABLE_STORE_SIZE; - VolatileVariableStore->Format = VARIABLE_STORE_FORMATTED; - VolatileVariableStore->State = VARIABLE_STORE_HEALTHY; - VolatileVariableStore->Reserved = 0; - VolatileVariableStore->Reserved1 = 0; - - // - // Get non volatile varaible store - // - - TempVariableStoreHeader = (UINT64) PcdGet32 (PcdFlashNvStorageVariableBase); - VariableStoreEntry.Base = TempVariableStoreHeader + \ - (((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (TempVariableStoreHeader)) -> HeaderLength); - VariableStoreEntry.Length = (UINT64) PcdGet32 (PcdFlashNvStorageVariableSize) - \ - (((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (TempVariableStoreHeader)) -> HeaderLength); - // - // Mark the variable storage region of the FLASH as RUNTIME - // - BaseAddress = VariableStoreEntry.Base & (~EFI_PAGE_MASK); - Length = VariableStoreEntry.Length + (VariableStoreEntry.Base - BaseAddress); - Length = (Length + EFI_PAGE_SIZE - 1) & (~EFI_PAGE_MASK); - - Status = gDS->GetMemorySpaceDescriptor (BaseAddress, &GcdDescriptor); - if (EFI_ERROR (Status)) { - FreePool (mVariableModuleGlobal); - FreePool (VolatileVariableStore); - return EFI_UNSUPPORTED; - } - - Status = gDS->SetMemorySpaceAttributes ( - BaseAddress, - Length, - GcdDescriptor.Attributes | EFI_MEMORY_RUNTIME - ); - if (EFI_ERROR (Status)) { - FreePool (mVariableModuleGlobal); - FreePool (VolatileVariableStore); - return EFI_UNSUPPORTED; - } - // - // Get address of non volatile variable store base - // - mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase = VariableStoreEntry.Base; - - // - // Check Integrity - // - // - // Find the Correct Instance of the FV Block Service. - // - Instance = 0; - CurrPtr = (CHAR8 *) ((UINTN) mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase); - while (EfiFvbGetPhysicalAddress (Instance, &FvVolHdr) == EFI_SUCCESS) { - FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvVolHdr); - if (CurrPtr >= (CHAR8 *) FwVolHeader && CurrPtr < (((CHAR8 *) FwVolHeader) + FwVolHeader->FvLength)) { - mVariableModuleGlobal->FvbInstance = Instance; - break; - } - - Instance++; - } - - VariableStoreHeader = (VARIABLE_STORE_HEADER *) CurrPtr; - if (GetVariableStoreStatus (VariableStoreHeader) == EfiValid) { - if (~VariableStoreHeader->Size == 0) { - Status = UpdateVariableStore ( - &mVariableModuleGlobal->VariableGlobal[Physical], - FALSE, - FALSE, - mVariableModuleGlobal->FvbInstance, - (UINTN) &VariableStoreHeader->Size, - sizeof (UINT32), - (UINT8 *) &VariableStoreEntry.Length - ); - // - // As Variables are stored in NV storage, which are slow devices,such as flash. - // Variable operation may skip checking variable program result to improve performance, - // We can assume Variable program is OK through some check point. - // Variable Store Size Setting should be the first Variable write operation, - // We can assume all Read/Write is OK if we can set Variable store size successfully. - // If write fail, we will assert here - // - ASSERT(VariableStoreHeader->Size == VariableStoreEntry.Length); - - if (EFI_ERROR (Status)) { - return Status; - } - } - - mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase = (EFI_PHYSICAL_ADDRESS) ((UINTN) CurrPtr); - // - // Parse non-volatile variable data and get last variable offset - // - NextVariable = (VARIABLE_HEADER *) (CurrPtr + sizeof (VARIABLE_STORE_HEADER)); - Status = EFI_SUCCESS; - - while (IsValidVariableHeader (NextVariable)) { - NextVariable = GetNextVariablePtr (NextVariable); - } - - mVariableModuleGlobal->NonVolatileLastVariableOffset = (UINTN) NextVariable - (UINTN) CurrPtr; - - // - // Check if the free area is blow a threshold - // - if ((((VARIABLE_STORE_HEADER *)((UINTN) CurrPtr))->Size - mVariableModuleGlobal->NonVolatileLastVariableOffset) < VARIABLE_RECLAIM_THRESHOLD) { - Status = Reclaim ( - mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase, - &mVariableModuleGlobal->NonVolatileLastVariableOffset, - FALSE - ); - } - - if (EFI_ERROR (Status)) { - FreePool (mVariableModuleGlobal); - FreePool (VolatileVariableStore); - return Status; - } - - // - // Check if the free area is really free. - // - for (Index = mVariableModuleGlobal->NonVolatileLastVariableOffset; Index < VariableStoreHeader->Size; Index++) { - Data = ((UINT8 *) (UINTN) mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase)[Index]; - if (Data != 0xff) { - // - // There must be something wrong in variable store, do reclaim operation. - // - Status = Reclaim ( - mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase, - &mVariableModuleGlobal->NonVolatileLastVariableOffset, - FALSE - ); - break; - } - } - } - - if (EFI_ERROR (Status)) { - FreePool (mVariableModuleGlobal); - FreePool (VolatileVariableStore); - } - - return Status; -} diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.h b/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.h deleted file mode 100644 index 904a681..0000000 --- a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.h +++ /dev/null @@ -1,175 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, 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. - -Module Name: - - Variable.h - -Abstract: - ---*/ - -#ifndef _VARIABLE_H -#define _VARIABLE_H - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -// -// BugBug: We need relcate the head file. -// -#include - -#define VARIABLE_RECLAIM_THRESHOLD (1024) - -#define VARIABLE_STORE_SIZE (64 * 1024) -#define SCRATCH_SIZE (4 * 1024) - -// -// Define GET_PAD_SIZE to optimize compiler -// -#if ((ALIGNMENT == 0) || (ALIGNMENT == 1)) -#define GET_PAD_SIZE(a) (0) -#else -#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1)) -#endif - -#define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER)) - -typedef enum { - Physical, - Virtual -} VARIABLE_POINTER_TYPE; - -typedef struct { - VARIABLE_HEADER *CurrPtr; - VARIABLE_HEADER *EndPtr; - VARIABLE_HEADER *StartPtr; - BOOLEAN Volatile; -} VARIABLE_POINTER_TRACK; - -typedef struct { - EFI_PHYSICAL_ADDRESS VolatileVariableBase; - EFI_PHYSICAL_ADDRESS NonVolatileVariableBase; - EFI_LOCK VariableServicesLock; -} VARIABLE_GLOBAL; - -typedef struct { - VARIABLE_GLOBAL VariableGlobal[2]; - UINTN VolatileLastVariableOffset; - UINTN NonVolatileLastVariableOffset; - UINT32 FvbInstance; -} ESAL_VARIABLE_GLOBAL; - -extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal; - -// -// Functions -// -EFI_STATUS -EFIAPI -VariableCommonInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ); - -EFI_STATUS -EFIAPI -VariableServiceInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ); - -VOID -EFIAPI -VariableClassAddressChangeEvent ( - IN EFI_EVENT Event, - IN VOID *Context - ); - -EFI_STATUS -EFIAPI -GetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID * VendorGuid, - OUT UINT32 *Attributes OPTIONAL, - IN OUT UINTN *DataSize, - OUT VOID *Data, - IN VARIABLE_GLOBAL * Global, - IN UINT32 Instance - ); - -EFI_STATUS -EFIAPI -GetNextVariableName ( - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VendorGuid, - IN VARIABLE_GLOBAL *Global, - IN UINT32 Instance - ); - -EFI_STATUS -EFIAPI -SetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data, - IN VARIABLE_GLOBAL *Global, - IN UINTN *VolatileOffset, - IN UINTN *NonVolatileOffset, - IN UINT32 Instance - ); - -EFI_STATUS -EFIAPI -QueryVariableInfo ( - IN UINT32 Attributes, - OUT UINT64 *MaximumVariableStorageSize, - OUT UINT64 *RemainingVariableStorageSize, - OUT UINT64 *MaximumVariableSize, - IN VARIABLE_GLOBAL *Global, - IN UINT32 Instance - ); - -EFI_STATUS -GetFvbHandleByAddress ( - IN EFI_PHYSICAL_ADDRESS VariableStoreBase, - OUT EFI_HANDLE *FvbHandle - ); - -EFI_STATUS -FtwVariableSpace ( - IN EFI_PHYSICAL_ADDRESS VariableBaseAddress, - IN UINT8 *Buffer, - IN UINTN BufferSize - ); - -#endif diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.msa b/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.msa deleted file mode 100644 index 56f19b0..0000000 --- a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.msa +++ /dev/null @@ -1,108 +0,0 @@ - - - - Variable - DXE_RUNTIME_DRIVER - CBD2E4D5-7068-4FF5-B462-9822B4AD8D60 - 1.0 - Component description file for Variable module. - This module installs three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName. - Copyright (c) 2006 - 2007, 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. - FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052 - - - IA32 X64 - false - Variable - - - - PcdLib - - - UefiDriverEntryPoint - - - DxeServicesTableLib - - - UefiRuntimeLib - - - DebugLib - - - BaseMemoryLib - - - EdkFvbServiceLib - - - UefiBootServicesTableLib - - - UefiLib - - - BaseLib - - - MemoryAllocationLib - - - - Variable.h - Variable.c - reclaim.h - reclaim.c - InitVariable.c - Variable.dxs - - - - - - - - gEfiVariableArchProtocolGuid - - - gEfiVariableWriteArchProtocolGuid - - - gEfiFaultTolerantWriteLiteProtocolGuid - - - gEfiFirmwareVolumeBlockProtocolGuid - - - - EFI_SPECIFICATION_VERSION 0x00020000 - EDK_RELEASE_VERSION 0x00020000 - - VariableServiceInitialize - - - VariableClassAddressChangeEvent - - - - - PcdFlashNvStorageVariableBase - gEfiGenericPlatformTokenSpaceGuid - The driver gets the Variable store base address from this PCD. This base address point to - an EFI_FIRMWARE_VOLUMN_HEADER struct. - - - PcdFlashNvStorageVariableSize - gEfiGenericPlatformTokenSpaceGuid - The driver gets the NvStorage Variable Size from this PCD. - - - \ No newline at end of file diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/VariableRuntimeDxe.inf b/MdeModulePkg/Universal/VariableRuntimeDxe/VariableRuntimeDxe.inf deleted file mode 100644 index b8b4ecc..0000000 --- a/MdeModulePkg/Universal/VariableRuntimeDxe/VariableRuntimeDxe.inf +++ /dev/null @@ -1,74 +0,0 @@ -#/** @file -# Component description file for Variable module. -# -# This module installs three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName. -# Copyright (c) 2006 - 2007, 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 = VariableRuntimeDxe - FILE_GUID = CBD2E4D5-7068-4FF5-B462-9822B4AD8D60 - MODULE_TYPE = DXE_RUNTIME_DRIVER - VERSION_STRING = 1.0 - EDK_RELEASE_VERSION = 0x00020000 - EFI_SPECIFICATION_VERSION = 0x00020000 - - ENTRY_POINT = VariableServiceInitialize - -# -# The following information is for reference only and not required by the build tools. -# -# VALID_ARCHITECTURES = IA32 X64 -# -# VIRTUAL_ADDRESS_MAP_CALLBACK = VariableClassAddressChangeEvent -# - -[Sources.common] - InitVariable.c - reclaim.c - Variable.c - Variable.h - -[Packages] - MdePkg/MdePkg.dec - -[LibraryClasses] - MemoryAllocationLib - BaseLib - UefiLib - UefiBootServicesTableLib - FvbServiceLib - BaseMemoryLib - DebugLib - UefiRuntimeLib - DxeServicesTableLib - UefiDriverEntryPoint - PcdLib - HobLib - -[Guids] - gEfiFlashMapHobGuid - -[Protocols] - gEfiFirmwareVolumeBlockProtocolGuid # PROTOCOL SOMETIMES_CONSUMED - gEfiFaultTolerantWriteLiteProtocolGuid # PROTOCOL SOMETIMES_CONSUMED - gEfiVariableWriteArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED - gEfiVariableArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED - -[PcdsDynamic.common] - PcdFlashNvStorageVariableSize|gEfiMdeModulePkgTokenSpaceGuid - PcdFlashNvStorageVariableBase|gEfiMdeModulePkgTokenSpaceGuid - -[Depex] - gEfiFirmwareVolumeBlockProtocolGuid AND gEfiAlternateFvBlockGuid AND gEfiFaultTolerantWriteLiteProtocolGuid - diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/reclaim.c b/MdeModulePkg/Universal/VariableRuntimeDxe/reclaim.c deleted file mode 100644 index 0adaa87..0000000 --- a/MdeModulePkg/Universal/VariableRuntimeDxe/reclaim.c +++ /dev/null @@ -1,242 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2007, 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. - -Module Name: - - reclaim.c - -Abstract: - - Handles non-volatile variable store garbage collection, using FTW - (Fault Tolerant Write) protocol. - -Revision History - ---*/ - - -#include -#include "Common/Variable.h" - -EFI_STATUS -GetFvbHandleByAddress ( - IN EFI_PHYSICAL_ADDRESS Address, - OUT EFI_HANDLE *FvbHandle - ) -{ - EFI_STATUS Status; - EFI_HANDLE *HandleBuffer; - UINTN HandleCount; - UINTN Index; - EFI_PHYSICAL_ADDRESS FvbBaseAddress; - EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb; - EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; - - *FvbHandle = NULL; - // - // Locate all handles of Fvb protocol - // - Status = gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiFirmwareVolumeBlockProtocolGuid, - NULL, - &HandleCount, - &HandleBuffer - ); - if (EFI_ERROR (Status)) { - return EFI_NOT_FOUND; - } - // - // Get the FVB to access variable store - // - for (Index = 0; Index < HandleCount; Index += 1) { - Status = gBS->HandleProtocol ( - HandleBuffer[Index], - &gEfiFirmwareVolumeBlockProtocolGuid, - (VOID **) &Fvb - ); - if (EFI_ERROR (Status)) { - Status = EFI_NOT_FOUND; - break; - } - // - // Compare the address and select the right one - // - Status = Fvb->GetPhysicalAddress (Fvb, &FvbBaseAddress); - if (EFI_ERROR (Status)) { - continue; - } - - FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvbBaseAddress); - if ((Address >= FvbBaseAddress) && (Address <= (FvbBaseAddress + FwVolHeader->FvLength))) { - *FvbHandle = HandleBuffer[Index]; - Status = EFI_SUCCESS; - break; - } - } - - FreePool (HandleBuffer); - return Status; -} - -STATIC -EFI_STATUS -GetLbaAndOffsetByAddress ( - IN EFI_PHYSICAL_ADDRESS Address, - OUT EFI_LBA *Lba, - OUT UINTN *Offset - ) -{ - EFI_STATUS Status; - EFI_HANDLE FvbHandle; - EFI_PHYSICAL_ADDRESS FvbBaseAddress; - EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb; - EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; - EFI_FV_BLOCK_MAP_ENTRY *FvbMapEntry; - UINT32 LbaIndex; - - *Lba = (EFI_LBA) (-1); - *Offset = 0; - - // - // Get the proper FVB - // - Status = GetFvbHandleByAddress (Address, &FvbHandle); - if (EFI_ERROR (Status)) { - return Status; - } - - Status = gBS->HandleProtocol ( - FvbHandle, - &gEfiFirmwareVolumeBlockProtocolGuid, - (VOID **) &Fvb - ); - if (EFI_ERROR (Status)) { - return Status; - } - // - // Get the Base Address of FV - // - Status = Fvb->GetPhysicalAddress (Fvb, &FvbBaseAddress); - if (EFI_ERROR (Status)) { - return Status; - } - - FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvbBaseAddress); - - // - // Get the (LBA, Offset) of Address - // - if ((Address >= FvbBaseAddress) && (Address <= (FvbBaseAddress + FwVolHeader->FvLength))) { - if ((FwVolHeader->FvLength) > (FwVolHeader->HeaderLength)) { - // - // BUGBUG: Assume one FV has one type of BlockLength - // - FvbMapEntry = &FwVolHeader->BlockMap[0]; - for (LbaIndex = 1; LbaIndex <= FvbMapEntry->NumBlocks; LbaIndex += 1) { - if (Address < (FvbBaseAddress + FvbMapEntry->Length * LbaIndex)) { - // - // Found the (Lba, Offset) - // - *Lba = LbaIndex - 1; - *Offset = (UINTN) (Address - (FvbBaseAddress + FvbMapEntry->Length * (LbaIndex - 1))); - return EFI_SUCCESS; - } - } - } - } - - return EFI_ABORTED; -} - -EFI_STATUS -FtwVariableSpace ( - IN EFI_PHYSICAL_ADDRESS VariableBase, - IN UINT8 *Buffer, - IN UINTN BufferSize - ) -/*++ - -Routine Description: - Write a buffer to Variable space, in the working block. - -Arguments: - FvbHandle - Indicates a handle to FVB to access variable store - Buffer - Point to the input buffer - BufferSize - The number of bytes of the input Buffer - -Returns: - EFI_SUCCESS - The function completed successfully - EFI_ABORTED - The function could not complete successfully - EFI_NOT_FOUND - Locate FVB protocol by handle fails - ---*/ -{ - EFI_STATUS Status; - EFI_HANDLE FvbHandle; - EFI_FTW_LITE_PROTOCOL *FtwLiteProtocol; - EFI_LBA VarLba; - UINTN VarOffset; - UINT8 *FtwBuffer; - UINTN FtwBufferSize; - - // - // Locate fault tolerant write protocol - // - Status = gBS->LocateProtocol ( - &gEfiFaultTolerantWriteLiteProtocolGuid, - NULL, - (VOID **) &FtwLiteProtocol - ); - if (EFI_ERROR (Status)) { - return EFI_NOT_FOUND; - } - // - // Locate Fvb handle by address - // - Status = GetFvbHandleByAddress (VariableBase, &FvbHandle); - if (EFI_ERROR (Status)) { - return Status; - } - // - // Get LBA and Offset by address - // - Status = GetLbaAndOffsetByAddress (VariableBase, &VarLba, &VarOffset); - if (EFI_ERROR (Status)) { - return EFI_ABORTED; - } - // - // Prepare for the variable data - // - FtwBufferSize = ((VARIABLE_STORE_HEADER *) ((UINTN) VariableBase))->Size; - FtwBuffer = AllocateRuntimePool (FtwBufferSize); - if (FtwBuffer == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - SetMem (FtwBuffer, FtwBufferSize, (UINT8) 0xff); - CopyMem (FtwBuffer, Buffer, BufferSize); - - // - // FTW write record - // - Status = FtwLiteProtocol->Write ( - FtwLiteProtocol, - FvbHandle, - VarLba, // LBA - VarOffset, // Offset - &FtwBufferSize, // NumBytes, - FtwBuffer - ); - - FreePool (FtwBuffer); - return Status; -} -- cgit v1.1