diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Common')
2 files changed, 742 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Common/RuntimeLib.c b/EDK/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Common/RuntimeLib.c new file mode 100644 index 0000000..e0b434b --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Common/RuntimeLib.c @@ -0,0 +1,261 @@ +/*++ + +Copyright (c) 2004 - 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: + + RuntimeLib.c + +Abstract: + + Runtime lib + +--*/ + +#include "..\RuntimeLibInternal.h" + +// +// Driver Lib Module Globals +// +STATIC EFI_EVENT mRuntimeNotifyEvent; +STATIC EFI_EVENT mEfiVirtualNotifyEvent; +STATIC BOOLEAN mEfiGoneVirtual = FALSE; +STATIC BOOLEAN mEfiAtRuntime = FALSE; + +EFI_RUNTIME_SERVICES *mRT = NULL; + +VOID +EFIAPI +RuntimeDriverExitBootServices ( + IN EFI_EVENT Event, + IN VOID *Context + ) +/*++ + +Routine Description: + + Set AtRuntime flag as TRUE after ExitBootServices + +Arguments: + + Event - The Event that is being processed + + Context - Event Context + +Returns: + + None + +--*/ +{ + EFI_EVENT_NOTIFY ChildNotifyEventHandler; + UINTN Index; + + for (Index = 0; + _gDriverExitBootServicesEvent[Index] != NULL; + Index++) { + ChildNotifyEventHandler = _gDriverExitBootServicesEvent[Index]; + ChildNotifyEventHandler (Event, NULL); + } + + mEfiAtRuntime = TRUE; +} + +STATIC +VOID +EFIAPI +RuntimeLibVirtualNotifyEvent ( + IN EFI_EVENT Event, + IN VOID *Context + ) +/*++ + +Routine Description: + + Fixup internal data so that EFI can be call in virtual mode. + Call the passed in Child Notify event and convert any pointers in + lib to virtual mode. + +Arguments: + + Event - The Event that is being processed + + Context - Event Context + +Returns: + + None + +--*/ +{ + UINTN Index; + EFI_EVENT_NOTIFY ChildNotifyEventHandler; + + for (Index = 0; + _gDriverSetVirtualAddressMapEvent[Index] != NULL; + Index++) { + ChildNotifyEventHandler = _gDriverSetVirtualAddressMapEvent[Index]; + ChildNotifyEventHandler (Event, NULL); + } + + // + // Update global for Runtime Services Table and IO + // + EfiConvertInternalPointer ((VOID **) &mRT); + + // + // Clear out BootService globals + // + gBS = NULL; + gST = NULL; + mEfiGoneVirtual = TRUE; +} + +EFI_STATUS +EFIAPI +RuntimeDriverLibConstruct ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +/*++ + +Routine Description: + + Intialize runtime Driver Lib if it has not yet been initialized. + +Arguments: + + ImageHandle - The firmware allocated handle for the EFI image. + + SystemTable - A pointer to the EFI System Table. + + GoVirtualChildEvent - Caller can register a virtual notification event. + +Returns: + + EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started. + +--*/ +{ + EFI_STATUS Status; + + mRT = SystemTable->RuntimeServices; + + // + // Register our ExitBootServices () notify function + // + Status = gBS->CreateEvent ( + EFI_EVENT_SIGNAL_EXIT_BOOT_SERVICES, + EFI_TPL_NOTIFY, + RuntimeDriverExitBootServices, + NULL, + &mRuntimeNotifyEvent + ); + + ASSERT_EFI_ERROR (Status); + + // + // Register SetVirtualAddressMap () notify function + // + Status = gBS->CreateEvent ( + EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE, + EFI_TPL_NOTIFY, + RuntimeLibVirtualNotifyEvent, + NULL, + &mEfiVirtualNotifyEvent + ); + + ASSERT_EFI_ERROR (Status); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +RuntimeDriverLibDeconstruct ( + VOID + ) +/*++ + +Routine Description: + + This routine will free some resources which have been allocated in + EfiInitializeRuntimeDriverLib(). If a runtime driver exits with an error, + it must call this routine to free the allocated resource before the exiting. + +Arguments: + + None + +Returns: + + EFI_SUCCESS - Shotdown the Runtime Driver Lib successfully + EFI_UNSUPPORTED - Runtime Driver lib was not initialized at all + +--*/ +{ + EFI_STATUS Status; + + // + // Close our ExitBootServices () notify function + // + Status = gBS->CloseEvent (mRuntimeNotifyEvent); + ASSERT_EFI_ERROR (Status); + + // + // Close SetVirtualAddressMap () notify function + // + Status = gBS->CloseEvent (mEfiVirtualNotifyEvent); + ASSERT_EFI_ERROR (Status); + + return EFI_SUCCESS; +} + +BOOLEAN +EfiAtRuntime ( + VOID + ) +/*++ + +Routine Description: + Return TRUE if ExitBootServices () has been called + +Arguments: + NONE + +Returns: + TRUE - If ExitBootServices () has been called + +--*/ +{ + return mEfiAtRuntime; +} + +BOOLEAN +EfiGoneVirtual ( + VOID + ) +/*++ + +Routine Description: + Return TRUE if SetVirtualAddressMap () has been called + +Arguments: + NONE + +Returns: + TRUE - If SetVirtualAddressMap () has been called + +--*/ +{ + return mEfiGoneVirtual; +} + diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Common/RuntimeService.c b/EDK/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Common/RuntimeService.c new file mode 100644 index 0000000..83b718c --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Common/RuntimeService.c @@ -0,0 +1,481 @@ +/*++ + +Copyright (c) 2004 - 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: + + RuntimeService.c + +Abstract: + + Runtime Lib + +--*/ + +#include "..\RuntimeLibInternal.h" + +VOID +EfiResetSystem ( + IN EFI_RESET_TYPE ResetType, + IN EFI_STATUS ResetStatus, + IN UINTN DataSize, + IN CHAR16 *ResetData + ) +/*++ + +Routine Description: + + Resets the entire platform. + +Arguments: + + ResetType - The type of reset to perform. + ResetStatus - The status code for the reset. + DataSize - The size, in bytes, of ResetData. + ResetData - A data buffer that includes a Null-terminated Unicode string, optionally + followed by additional binary data. + +Returns: + + None + +--*/ +{ + mRT->ResetSystem (ResetType, ResetStatus, DataSize, ResetData); +} + +// +// The following functions hide the mRT local global from the call to +// runtime service in the EFI system table. +// +EFI_STATUS +EfiGetTime ( + OUT EFI_TIME *Time, + OUT EFI_TIME_CAPABILITIES *Capabilities + ) +/*++ + +Routine Description: + + Returns the current time and date information, and the time-keeping + capabilities of the hardware platform. + +Arguments: + + Time - A pointer to storage to receive a snapshot of the current time. + Capabilities - An optional pointer to a buffer to receive the real time clock device¡¯s + capabilities. + +Returns: + + Status code + +--*/ +{ + return mRT->GetTime (Time, Capabilities); +} + +EFI_STATUS +EfiSetTime ( + IN EFI_TIME *Time + ) +/*++ + +Routine Description: + + Sets the current local time and date information. + +Arguments: + + Time - A pointer to the current time. + +Returns: + + Status code + +--*/ +{ + return mRT->SetTime (Time); +} + +EFI_STATUS +EfiGetWakeupTime ( + OUT BOOLEAN *Enabled, + OUT BOOLEAN *Pending, + OUT EFI_TIME *Time + ) +/*++ + +Routine Description: + + Returns the current wakeup alarm clock setting. + +Arguments: + + Enabled - Indicates if the alarm is currently enabled or disabled. + Pending - Indicates if the alarm signal is pending and requires acknowledgement. + Time - The current alarm setting. + +Returns: + + Status code + +--*/ +{ + return mRT->GetWakeupTime (Enabled, Pending, Time); +} + +EFI_STATUS +EfiSetWakeupTime ( + IN BOOLEAN Enable, + IN EFI_TIME *Time + ) +/*++ + +Routine Description: + + Sets the system wakeup alarm clock time. + +Arguments: + + Enable - Enable or disable the wakeup alarm. + Time - If Enable is TRUE, the time to set the wakeup alarm for. + If Enable is FALSE, then this parameter is optional, and may be NULL. + +Returns: + + Status code + +--*/ +{ + return mRT->SetWakeupTime (Enable, Time); +} + + + + +EFI_STATUS +EfiGetVariable ( + IN CHAR16 *VariableName, + IN EFI_GUID * VendorGuid, + OUT UINT32 *Attributes OPTIONAL, + IN OUT UINTN *DataSize, + OUT VOID *Data + ) +/*++ + +Routine Description: + + Returns the value of a variable. + +Arguments: + + VariableName - A Null-terminated Unicode string that is the name of the + vendor¡¯s variable. + VendorGuid - A unique identifier for the vendor. + Attributes - If not NULL, a pointer to the memory location to return the + attributes bitmask for the variable. + DataSize - On input, the size in bytes of the return Data buffer. + On output the size of data returned in Data. + Data - The buffer to return the contents of the variable. + +Returns: + + Status code + +--*/ +{ + return mRT->GetVariable (VariableName, VendorGuid, Attributes, DataSize, Data); +} + +EFI_STATUS +EfiGetNextVariableName ( + IN OUT UINTN *VariableNameSize, + IN OUT CHAR16 *VariableName, + IN OUT EFI_GUID *VendorGuid + ) +/*++ + +Routine Description: + + Enumerates the current variable names. + +Arguments: + + VariableNameSize - The size of the VariableName buffer. + VariableName - On input, supplies the last VariableName that was returned + by GetNextVariableName(). + On output, returns the Nullterminated Unicode string of the + current variable. + VendorGuid - On input, supplies the last VendorGuid that was returned by + GetNextVariableName(). + On output, returns the VendorGuid of the current variable. + +Returns: + + Status code + +--*/ +{ + return mRT->GetNextVariableName (VariableNameSize, VariableName, VendorGuid); +} + +EFI_STATUS +EfiSetVariable ( + IN CHAR16 *VariableName, + IN EFI_GUID *VendorGuid, + IN UINT32 Attributes, + IN UINTN DataSize, + IN VOID *Data + ) +/*++ + +Routine Description: + + Sets the value of a variable. + +Arguments: + + VariableName - A Null-terminated Unicode string that is the name of the + vendor¡¯s variable. + VendorGuid - A unique identifier for the vendor. + Attributes - Attributes bitmask to set for the variable. + DataSize - The size in bytes of the Data buffer. + Data - The contents for the variable. + +Returns: + + Status code + +--*/ +{ + return mRT->SetVariable (VariableName, VendorGuid, Attributes, DataSize, Data); +} + +EFI_STATUS +EfiGetNextHighMonotonicCount ( + OUT UINT32 *HighCount + ) +/*++ + +Routine Description: + + Returns the next high 32 bits of the platform¡¯s monotonic counter. + +Arguments: + + HighCount - Pointer to returned value. + +Returns: + + Status code + +--*/ +{ + return mRT->GetNextHighMonotonicCount (HighCount); +} + +EFI_STATUS +EfiConvertPointer ( + IN UINTN DebugDisposition, + IN OUT VOID *Address + ) +/*++ + +Routine Description: + + Determines the new virtual address that is to be used on subsequent memory accesses. + +Arguments: + + DebugDisposition - Supplies type information for the pointer being converted. + Address - A pointer to a pointer that is to be fixed to be the value needed + for the new virtual address mappings being applied. + +Returns: + + Status code + +--*/ +{ + return mRT->ConvertPointer (DebugDisposition, Address); +} + +EFI_STATUS +EfiConvertInternalPointer ( + IN OUT VOID *Address + ) +/*++ + +Routine Description: + + Call EfiConvertPointer() to convert internal pointer. + +Arguments: + + Address - A pointer to a pointer that is to be fixed to be the value needed + for the new virtual address mappings being applied. + +Returns: + + Status code + +--*/ +{ + return EfiConvertPointer (0x0, Address); +} + +EFI_STATUS +EfiConvertList ( + IN UINTN DebugDisposition, + IN OUT LIST_ENTRY *ListHead + ) +/*++ + +Routine Description: + + Conver the standard Lib double linked list to a virtual mapping. + +Arguments: + + DebugDisposition - Argument to EfiConvertPointer (EFI 1.0 API) + + ListHead - Head of linked list to convert + +Returns: + + EFI_SUCCESS + +--*/ +{ + LIST_ENTRY *Link; + LIST_ENTRY *NextLink; + + // + // Convert all the ForwardLink & BackLink pointers in the list + // + Link = ListHead; + do { + NextLink = Link->ForwardLink; + + EfiConvertPointer ( + Link->ForwardLink == ListHead ? DebugDisposition : 0, + (VOID **) &Link->ForwardLink + ); + + EfiConvertPointer ( + Link->BackLink == ListHead ? DebugDisposition : 0, + (VOID **) &Link->BackLink + ); + + Link = NextLink; + } while (Link != ListHead); + return EFI_SUCCESS; +} + + +/** + Change the runtime addressing mode of EFI firmware from physical to virtual. + + @param MemoryMapSize The size in bytes of VirtualMap. + @param DescriptorSize The size in bytes of an entry in the VirtualMap. + @param DescriptorVersion The version of the structure entries in VirtualMap. + @param VirtualMap An array of memory descriptors which contain new virtual + address mapping information for all runtime ranges. Type + EFI_MEMORY_DESCRIPTOR is defined in the + GetMemoryMap() function description. + + @retval EFI_SUCCESS The virtual address map has been applied. + @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in + virtual address mapped mode. + @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is + invalid. + @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory + map that requires a mapping. + @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found + in the memory map. +**/ +EFI_STATUS +EFIAPI +EfiSetVirtualAddressMap ( + IN UINTN MemoryMapSize, + IN UINTN DescriptorSize, + IN UINT32 DescriptorVersion, + IN CONST EFI_MEMORY_DESCRIPTOR *VirtualMap + ) +{ + return mRT->SetVirtualAddressMap ( + MemoryMapSize, + DescriptorSize, + DescriptorVersion, + (EFI_MEMORY_DESCRIPTOR *) VirtualMap + ); +} + + +EFI_STATUS +EfiUpdateCapsule ( + IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray, + IN UINTN CapsuleCount, + IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL + ) +{ +#if (EFI_SPECIFICATION_VERSION >= 0x00020000) + return mRT->UpdateCapsule ( + CapsuleHeaderArray, + CapsuleCount, + ScatterGatherList + ); +#else + return EFI_UNSUPPORTED; +#endif +} + +EFI_STATUS +EfiQueryCapsuleCapabilities ( + IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray, + IN UINTN CapsuleCount, + OUT UINT64 *MaximumCapsuleSize, + OUT EFI_RESET_TYPE *ResetType + ) +{ +#if (EFI_SPECIFICATION_VERSION >= 0x00020000) + return mRT->QueryCapsuleCapabilities ( + CapsuleHeaderArray, + CapsuleCount, + MaximumCapsuleSize, + ResetType + ); +#else + return EFI_UNSUPPORTED; +#endif +} + + +EFI_STATUS +EfiQueryVariableInfo ( + IN UINT32 Attributes, + OUT UINT64 *MaximumVariableStorageSize, + OUT UINT64 *RemainingVariableStorageSize, + OUT UINT64 *MaximumVariableSize + ) +{ +#if (EFI_SPECIFICATION_VERSION >= 0x00020000) + return mRT->QueryVariableInfo ( + Attributes, + MaximumVariableStorageSize, + RemainingVariableStorageSize, + MaximumVariableSize + ); +#else + return EFI_UNSUPPORTED; +#endif +} |