X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FLibrary%2FUefiDriverEntryPoint%2FDriverEntryPoint.c;h=534f71f4b29bcd44a69bcd0d2f4122a642d29619;hb=76c09700edc67686b29662e81a3ca7d947594ce5;hp=68410ba3c9825c411159465ed35fd12c8d041a87;hpb=373b5cf97cc650d2e81d4909ff5327b6ce0b6c26;p=mirror_edk2.git

diff --git a/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c b/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c
index 68410ba3c9..534f71f4b2 100644
--- a/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c
+++ b/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c
@@ -1,8 +1,8 @@
 /** @file
   Entry point to a EFI/DXE driver.
 
-Copyright (c) 2006 - 2007, Intel Corporation<BR>
-All rights reserved. This program and the accompanying materials
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+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
@@ -19,16 +19,18 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Protocol/LoadedImage.h>
 
 #include <Library/UefiDriverEntryPoint.h>
+#include <Library/BaseLib.h>
 #include <Library/DebugLib.h>
 #include <Library/UefiBootServicesTableLib.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.
+  Unloads an image from memory.
 
-  @param  ImageHandle ImageHandle of the loaded driver.
+  This function is a callback that a driver registers to do cleanup
+  when the UnloadImage boot service function is called.
+
+  @param  ImageHandle The handle to the image to unload.
 
   @return Status returned by all unload().
 
@@ -63,13 +65,29 @@ _DriverUnloadHandler (
 
 
 /**
-  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.
+  The entry point of PE/COFF Image for a DXE Driver, DXE Runtime Driver, DXE SMM
+  Driver, or UEFI Driver.
+
+  This function is the entry point for a DXE Driver, DXE Runtime Driver, DXE SMM Driver,
+  or UEFI Driver.  This function must call ProcessLibraryConstructorList() and
+  ProcessModuleEntryPointList(). If the return status from ProcessModuleEntryPointList()
+  is an error status, then ProcessLibraryDestructorList() must be called. The return
+  value from ProcessModuleEntryPointList() is returned. If _gDriverUnloadImageCount
+  is greater than zero, then an unload handler must be registered for this image
+  and the unload handler must invoke ProcessModuleUnloadList().
+  If _gUefiDriverRevision is not zero and SystemTable->Hdr.Revision is less than
+  _gUefiDriverRevison, then return EFI_INCOMPATIBLE_VERSION.
+
+
+  @param  ImageHandle  The image handle of the DXE Driver, DXE Runtime Driver,
+                       DXE SMM Driver, or UEFI Driver.
+  @param  SystemTable  A pointer to the EFI System Table.
+
+  @retval  EFI_SUCCESS               The DXE Driver, DXE Runtime Driver, DXE SMM
+                                     Driver, or UEFI Driver exited normally.
+  @retval  EFI_INCOMPATIBLE_VERSION  _gUefiDriverRevision is greater than
+                                    SystemTable->Hdr.Revision.
+  @retval  Other                     Return value from ProcessModuleEntryPointList().
 
 **/
 EFI_STATUS
@@ -129,14 +147,20 @@ _ModuleEntryPoint (
 
 
 /**
-  Enrty point wrapper of DXE Driver.
+  Required by the EBC compiler and identical in functionality to _ModuleEntryPoint().
 
-  @param  ImageHandle ImageHandle of the loaded driver.
-  @param  SystemTable Pointer to the EFI System Table.
+  This function is required to call _ModuleEntryPoint() passing in ImageHandle,
+  and SystemTable.
 
-  @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.
+  @param  ImageHandle  The image handle of the DXE Driver, DXE Runtime Driver, DXE
+                       SMM Driver, or UEFI Driver.
+  @param  SystemTable  A pointer to the EFI System Table.
 
+  @retval  EFI_SUCCESS               The DXE Driver, DXE Runtime Driver, DXE SMM
+                                     Driver, or UEFI Driver exited normally.
+  @retval  EFI_INCOMPATIBLE_VERSION  _gUefiDriverRevision is greater than
+                                     SystemTable->Hdr.Revision.
+  @retval  Other                     Return value from ProcessModuleEntryPointList().
 **/
 EFI_STATUS
 EFIAPI