Import some Pei and Dxe related instances for MdePkg.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2712 6f19259b-4bc3-4df7-8a09-765794883524
2007-06-22 06:57:39 +00:00
parent b6460fcfd9
commit e386b444c8
82 changed files with 12352 additions and 0 deletions
--- a/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c
+++ b/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c
@@ -0,0 +1,172 @@
+/** @file
+  Entry point to a EFI/DXE driver.
+
+Copyright (c) 2006 - 2007, Intel Corporation<BR>
+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 common header file for this module.
+//
+#include "CommonHeader.h"
+
+
+/**
+  Unload function that is registered in the LoadImage protocol.  It un-installs
+  protocols produced and deallocates pool used by the driver.  Called by the core
+  when unloading the driver.
+
+  @param  ImageHandle
+
+  @retval EFI_SUCCESS
+
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+_DriverUnloadHandler (
+  EFI_HANDLE ImageHandle
+  )
+{
+  EFI_STATUS  Status;
+
+  //
+  // If an UnloadImage() handler is specified, then call it
+  //
+  Status = ProcessModuleUnloadList (ImageHandle);
+
+  //
+  // If the driver specific unload handler does not return an error, then call all of the
+  // library destructors.  If the unload handler returned an error, then the driver can not be
+  // unloaded, and the library destructors should not be called
+  //
+  if (!EFI_ERROR (Status)) {
+
+    ProcessLibraryDestructorList (ImageHandle, gST);
+  }
+
+  //
+  // Return the status from the driver specific unload handler
+  //
+  return Status;
+}
+
+
+/**
+  Notification Entry of ExitBootService event. In the entry, all notifications in _gDriverExitBootServicesEvent[]
+  would be invoked.
+
+  @param Event   The Event that is being processed.
+  @param Context Event Context.
+
+**/
+STATIC
+VOID
+EFIAPI
+_DriverExitBootServices (
+  IN EFI_EVENT        Event,
+  IN VOID             *Context
+  )
+{
+  EFI_EVENT_NOTIFY  ChildNotifyEventHandler;
+  UINTN             Index;
+
+  for (Index = 0; _gDriverExitBootServicesEvent[Index] != NULL; Index++) {
+    ChildNotifyEventHandler = _gDriverExitBootServicesEvent[Index];
+    ChildNotifyEventHandler (Event, NULL);
+  }
+}
+
+/**
+  Enrty point to DXE Driver.
+
+  @param  ImageHandle ImageHandle of the loaded driver.
+  @param  SystemTable Pointer to the EFI System Table.
+
+  @retval  EFI_SUCCESS One or more of the drivers returned a success code.
+  @retval  !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS                 Status;
+  EFI_LOADED_IMAGE_PROTOCOL  *LoadedImage;
+
+  if (_gUefiDriverRevision != 0) {
+    //
+    // Make sure that the EFI/UEFI spec revision of the platform is >= EFI/UEFI spec revision of the driver
+    //
+    if (SystemTable->Hdr.Revision < _gUefiDriverRevision) {
+      return EFI_INCOMPATIBLE_VERSION;
+    }
+  }
+
+  //
+  //  Install unload handler...
+  //
+  if (_gDriverUnloadImageCount != 0) {
+    Status = gBS->HandleProtocol (
+                    ImageHandle,
+                    &gEfiLoadedImageProtocolGuid,
+                    (VOID **)&LoadedImage
+                    );
+    ASSERT_EFI_ERROR (Status);
+    LoadedImage->Unload = _DriverUnloadHandler;
+  }
+
+  //
+  // Call constructor for all libraries
+  //
+  ProcessLibraryConstructorList (ImageHandle, SystemTable);
+
+  //
+  // Call the driver entry point
+  //
+  Status = ProcessModuleEntryPointList (ImageHandle, SystemTable);
+
+  //
+  // If all of the drivers returned errors, then invoke all of the library destructors
+  //
+  if (EFI_ERROR (Status)) {
+    ProcessLibraryDestructorList (ImageHandle, SystemTable);
+  }
+
+  //
+  // Return the cummalative return status code from all of the driver entry points
+  //
+  return Status;
+}
+
+
+/**
+  Enrty point wrapper of DXE Driver.
+
+  @param  ImageHandle ImageHandle of the loaded driver.
+  @param  SystemTable Pointer to the EFI System Table.
+
+  @retval  EFI_SUCCESS One or more of the drivers returned a success code.
+  @retval  !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  return _ModuleEntryPoint (ImageHandle, SystemTable);
+}