1 files changed, 94 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.c b/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.c
new file mode 100644
index 0000000000..6625231ba1
--- /dev/null
+++ b/EdkCompatibilityPkg/Compatibility/DxeSmmReadyToLockOnExitPmAuthThunk/DxeSmmReadyToLockOnExitPmAuthThunk.c
@@ -0,0 +1,94 @@
+/** @file
+  DxeSmmReadyToLock Protocol on ExitPmAuth Protocol Thunk driver.
+  R8 platform uses ExitPmAuth point to lock SMRAM and SMM API.
+  But R9 uses DxeSmmReadyToLock. We need a thunk driver to convert this event.
+
+Copyright (c) 2010, 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
+
+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  "DxeSmmReadyToLockOnExitPmAuthThunk.h"
+
+/**
+  ExitPmAuth Protocol notification event handler.
+
+  @param[in] Event    Event whose notification function is being invoked.
+  @param[in] Context  Pointer to the notification function's context.
+**/
+VOID
+EFIAPI
+ExitPmAuthProtocolNotification (
+  IN EFI_EVENT  Event,
+  IN VOID       *Context
+  )
+{
+  EFI_STATUS Status;
+  EFI_HANDLE ImageHandle;
+  VOID       *ExitPmAuth;
+
+  //
+  // Add more check to locate protocol after got event, because
+  // R8 ECP will signal this event immediately once it is register
+  // just in case it is already installed.
+  //
+  Status = gBS->LocateProtocol (
+                  &gExitPmAuthProtocolGuid,
+                  NULL,
+                  &ExitPmAuth
+                  );
+  if (EFI_ERROR (Status)) {
+    return ;
+  }
+
+  //
+  // Install DxeSmmReadyToLock protocol to let PI SMM lock
+  //
+  ImageHandle = NULL;
+  Status = gBS->InstallProtocolInterface (
+                  &ImageHandle,
+                  &gEfiDxeSmmReadyToLockProtocolGuid,
+                  EFI_NATIVE_INTERFACE,
+                  NULL
+                  );
+  ASSERT_EFI_ERROR (Status);
+}
+
+/**
+  Entry Point for DxeSmmReadyToLock Protocol on ExitPmAuth Protocol Thunk driver.
+
+  @param[in] ImageHandle  Image handle of this driver.
+  @param[in] SystemTable  A Pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS  The entry point is executed successfully.
+**/
+EFI_STATUS
+EFIAPI
+DxeSmmReadyToLockMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  VOID *Registration;
+
+  //
+  // Install notifications for required protocols
+  //
+  EfiCreateProtocolNotifyEvent (
+    &gExitPmAuthProtocolGuid,
+    TPL_CALLBACK,
+    ExitPmAuthProtocolNotification,
+    NULL,
+    &Registration
+    );
+
+  return EFI_SUCCESS;
+}