From 28a94112d1dda45eaf8336febf5c208686de8c1e Mon Sep 17 00:00:00 2001
From: xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 13 Aug 2010 05:43:30 +0000
Subject: Add datahub status sode handler driver.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10795 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../DatahubStatusCodeHandlerDxe.c                  | 88 ++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 IntelFrameworkModulePkg/Universal/StatusCode/DatahubStatusCodeHandlerDxe/DatahubStatusCodeHandlerDxe.c

(limited to 'IntelFrameworkModulePkg/Universal/StatusCode/DatahubStatusCodeHandlerDxe/DatahubStatusCodeHandlerDxe.c')

diff --git a/IntelFrameworkModulePkg/Universal/StatusCode/DatahubStatusCodeHandlerDxe/DatahubStatusCodeHandlerDxe.c b/IntelFrameworkModulePkg/Universal/StatusCode/DatahubStatusCodeHandlerDxe/DatahubStatusCodeHandlerDxe.c
new file mode 100644
index 0000000000..ee7bdd36af
--- /dev/null
+++ b/IntelFrameworkModulePkg/Universal/StatusCode/DatahubStatusCodeHandlerDxe/DatahubStatusCodeHandlerDxe.c
@@ -0,0 +1,88 @@
+/** @file
+  Status Code Handler Driver which produces datahub handler and hook it
+  onto the DXE status code router.
+
+  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 "DatahubStatusCodeHandlerDxe.h"
+
+EFI_EVENT                 mExitBootServicesEvent     = NULL;
+EFI_RSC_HANDLER_PROTOCOL  *mRscHandlerProtocol       = NULL;
+
+/**
+  Unregister status code callback functions only available at boot time from
+  report status code router when exiting boot services.
+
+  @param  Event         Event whose notification function is being invoked.
+  @param  Context       Pointer to the notification function's context, which is
+                        always zero in current implementation.
+
+**/
+VOID
+EFIAPI
+UnregisterBootTimeHandlers (
+  IN EFI_EVENT        Event,
+  IN VOID             *Context
+  )
+{
+  mRscHandlerProtocol->Unregister (DataHubStatusCodeReportWorker);
+}
+
+/**
+  Entry point of DXE Status Code Driver.
+
+  This function is the entry point of this DXE Status Code Driver.
+  It initializes registers status code handlers, and registers event for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
+
+  @param  ImageHandle       The firmware allocated handle for the EFI image.
+  @param  SystemTable       A pointer to the EFI System Table.
+  
+  @retval EFI_SUCCESS       The entry point is executed successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+DatahubStatusCodeHandlerDxeEntry (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS  Status;
+
+  if (FeaturePcdGet (PcdStatusCodeUseDataHub)) {
+    Status = gBS->LocateProtocol (
+                    &gEfiRscHandlerProtocolGuid,
+                    NULL,
+                    (VOID **) &mRscHandlerProtocol
+                    );
+    ASSERT_EFI_ERROR (Status);
+
+    //
+    // Dispatch initialization request to supported devices
+    //
+    DataHubStatusCodeInitializeWorker ();
+
+    mRscHandlerProtocol->Register (DataHubStatusCodeReportWorker, TPL_HIGH_LEVEL);
+
+    Status = gBS->CreateEventEx (
+                    EVT_NOTIFY_SIGNAL,
+                    TPL_NOTIFY,
+                    UnregisterBootTimeHandlers,
+                    NULL,
+                    &gEfiEventExitBootServicesGuid,
+                    &mExitBootServicesEvent
+                    );
+    ASSERT_EFI_ERROR (Status);
+  }
+
+  return EFI_SUCCESS;
+}
-- 
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