+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-\r
-Module Name:\r
-\r
- RuntimeLib.c\r
-\r
-Abstract:\r
-\r
- Runtime lib\r
-\r
---*/\r
-\r
-#include "../RuntimeLibInternal.h"\r
-\r
-//\r
-// Driver Lib Module Globals\r
-//\r
-\r
-STATIC EFI_EVENT mEfiVirtualNotifyEvent;\r
-STATIC BOOLEAN mEfiGoneVirtual = FALSE;\r
-STATIC BOOLEAN mEfiAtRuntime = FALSE;\r
-EFI_RUNTIME_SERVICES *mRTEdkDxeRuntimeDriverLib;\r
-\r
-/**\r
- Set AtRuntime flag as TRUE after ExitBootServices\r
- \r
- @param[in] Event The Event that is being processed\r
- @param[in] Context Event Context\r
-**/\r
-VOID\r
-EFIAPI\r
-RuntimeDriverExitBootServices (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- //\r
- // Clear out BootService globals\r
- //\r
- gBS = NULL;\r
-\r
- mEfiAtRuntime = TRUE;\r
-}\r
-\r
-/**\r
- Fixup internal data so that EFI can be call in virtual mode.\r
- Call the passed in Child Notify event and convert any pointers in \r
- lib to virtual mode.\r
- \r
- @param[in] Event The Event that is being processed\r
- @param[in] Context Event Context\r
-**/\r
-STATIC\r
-VOID\r
-EFIAPI\r
-RuntimeLibVirtualNotifyEvent (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- UINTN Index;\r
- EFI_EVENT_NOTIFY ChildNotifyEventHandler;\r
-\r
- for (Index = 0; \r
- _gDriverSetVirtualAddressMapEvent[Index] != NULL;\r
- Index++) {\r
- ChildNotifyEventHandler = _gDriverSetVirtualAddressMapEvent[Index];\r
- ChildNotifyEventHandler (Event, NULL);\r
- }\r
-\r
- //\r
- // Update global for Runtime Services Table and IO\r
- //\r
- EfiConvertPointer (0, (VOID **) &mRTEdkDxeRuntimeDriverLib);\r
-\r
- mEfiGoneVirtual = TRUE;\r
-}\r
-\r
-/**\r
- Intialize runtime Driver Lib if it has not yet been initialized. \r
- \r
- @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
- @param[in] SystemTable A pointer to the EFI System Table.\r
- \r
- @return EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started.\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-RuntimeDriverLibConstruct (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (SystemTable != NULL);\r
- mRTEdkDxeRuntimeDriverLib = SystemTable->RuntimeServices;\r
- ASSERT (mRTEdkDxeRuntimeDriverLib != NULL);\r
- \r
- //\r
- // Register SetVirtualAddressMap () notify function\r
- // \r
- ASSERT (gBS != NULL);\r
- Status = gBS->CreateEvent (\r
- EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,\r
- EFI_TPL_NOTIFY,\r
- RuntimeLibVirtualNotifyEvent,\r
- NULL,\r
- &mEfiVirtualNotifyEvent\r
- );\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- This routine will free some resources which have been allocated in\r
- EfiInitializeRuntimeDriverLib(). If a runtime driver exits with an error, \r
- it must call this routine to free the allocated resource before the exiting.\r
-\r
- @retval EFI_SUCCESS Shutdown the Runtime Driver Lib successfully\r
- @retval EFI_UNSUPPORTED Runtime Driver lib was not initialized at all\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-RuntimeDriverLibDeconstruct (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- //\r
- // Close SetVirtualAddressMap () notify function\r
- //\r
- ASSERT (gBS != NULL);\r
- Status = gBS->CloseEvent (mEfiVirtualNotifyEvent);\r
- ASSERT_EFI_ERROR (Status);\r
- \r
- return Status;\r
-}\r
-\r
-/**\r
- Return TRUE if ExitBootServices () has been called\r
- \r
- @retval TRUE If ExitBootServices () has been called\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-EfiAtRuntime (\r
- VOID\r
- )\r
-{\r
- return mEfiAtRuntime;\r
-}\r
-\r
-/**\r
- Return TRUE if SetVirtualAddressMap () has been called\r
- \r
- @retval TRUE If SetVirtualAddressMap () has been called\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-EfiGoneVirtual (\r
- VOID\r
- )\r
-{\r
- return mEfiGoneVirtual;\r
-}\r
-\r