1 files changed, 182 insertions, 0 deletions
diff --git a/ReferenceCode/ME/Library/MeKernel/Dxe/MePolicyLib.c b/ReferenceCode/ME/Library/MeKernel/Dxe/MePolicyLib.c
new file mode 100644
index 0000000..5f69857
--- /dev/null
+++ b/ReferenceCode/ME/Library/MeKernel/Dxe/MePolicyLib.c
@@ -0,0 +1,182 @@
+/** @file
+  Implementation file for Me Policy functionality
+
+@copyright
+  Copyright (c) 2006 - 2012 Intel Corporation. All rights reserved
+  This software and associated documentation (if any) is furnished
+  under a license and may only be used or copied in accordance
+  with the terms of the license. Except as permitted by such
+  license, no part of this software or documentation may be
+  reproduced, stored in a retrieval system, or transmitted in any
+  form or by any means without the express written consent of
+  Intel Corporation.
+
+  This file contains an 'Intel Peripheral Driver' and uniquely
+  identified as "Intel Reference Module" and is
+  licensed for Intel CPUs and chipsets under the terms of your
+  license agreement with Intel or your vendor.  This file may
+  be modified by the user, subject to additional terms of the
+  license agreement
+**/
+
+//
+// External include files do NOT need to be explicitly specified in real EDKII
+// environment
+//
+#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
+#include "EdkIIGlueDxe.h"
+#include "MePolicyLib.h"
+#include "MeAccess.h"
+#include EFI_PROTOCOL_DEFINITION (HECI)
+#endif
+
+//
+// Global variables
+//
+DXE_ME_POLICY_PROTOCOL            *mDxePlatformMePolicy = NULL;
+
+/**
+  Check if Me is enabled.
+
+  @param[in] None.
+
+  @retval EFI_SUCCESS             ME platform policy pointer is initialized.
+  @retval All other error conditions encountered when no ME platform policy available.
+**/
+EFI_STATUS
+MePolicyLibInit (
+  VOID
+  )
+{
+  EFI_STATUS                      Status;
+
+  if (mDxePlatformMePolicy != NULL) {
+    return EFI_SUCCESS;
+  }
+  //
+  // Get the desired platform setup policy.
+  //
+  Status = gBS->LocateProtocol (&gDxePlatformMePolicyGuid, NULL, (VOID **) &mDxePlatformMePolicy);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "No ME Platform Policy Protocol available"));
+    ASSERT_EFI_ERROR (Status);
+  } else if (mDxePlatformMePolicy == NULL) {
+    DEBUG ((EFI_D_ERROR, "No ME Platform Policy Protocol available"));
+    Status = EFI_UNSUPPORTED;
+  }
+  return Status;
+}
+
+/**
+  Check if End of Post Message is enabled in setup options.
+
+  @param[in] None.
+
+  @retval FALSE                   EndOfPost is disabled.
+  @retval TRUE                    EndOfPost is enabled.
+**/
+BOOLEAN
+MeEndOfPostEnabled (
+  VOID
+  )
+{
+  BOOLEAN                         Supported;
+  EFI_STATUS                      Status;
+
+  if (mDxePlatformMePolicy == NULL) {
+    Status = MePolicyLibInit();
+    if (EFI_ERROR(Status)) {
+      return FALSE;
+    }
+  }
+  if (mDxePlatformMePolicy->MeConfig.EndOfPostEnabled != 1) {
+    Supported = FALSE;
+  } else {
+    Supported = TRUE;
+  }
+
+  return Supported;
+}
+
+/**
+  Checks if EndOfPost event already happened
+
+  @param[in] None
+
+  @retval TRUE                    if end of post happened
+  @retval FALSE                   if not yet
+**/
+BOOLEAN
+IsAfterEndOfPost (
+  VOID
+  )
+{
+  EFI_STATUS                      Status;
+
+  if (mDxePlatformMePolicy == NULL) {
+    Status = MePolicyLibInit();
+    if (EFI_ERROR(Status)) {
+      return FALSE;
+    }
+  }
+
+  if (mDxePlatformMePolicy->MeConfig.EndOfPostDone == TRUE) {
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+/**
+  Show Me Error message. This is used to support display error message on the screen for localization
+  description
+
+  @param[in] MsgId                Me error message ID for displaying on screen message
+
+  @retval None
+**/
+VOID
+MeReportError (
+  IN ME_ERROR_MSG_ID              MsgId
+  )
+{
+  EFI_STATUS                      Status;
+
+  if (mDxePlatformMePolicy == NULL) {
+    Status = MePolicyLibInit();
+    if (EFI_ERROR(Status)) {
+      return;
+    }
+  }
+  mDxePlatformMePolicy->MeReportError (MsgId);
+
+  return ;
+}
+
+/**
+  Check if MeFwDowngrade is enabled in setup options.
+
+  @param[in] None.
+
+  @retval FALSE                   MeFwDowngrade is disabled.
+  @retval TRUE                    MeFwDowngrade is enabled.
+**/
+BOOLEAN
+MeFwDowngradeSupported (
+  VOID
+  )
+{
+  EFI_STATUS                      Status;
+
+  if (mDxePlatformMePolicy == NULL) {
+    Status = MePolicyLibInit();
+    if (EFI_ERROR(Status)) {
+      return FALSE;
+    }
+  }
+  if (mDxePlatformMePolicy->MeConfig.MeFwDownGrade == 1) {
+    return TRUE;
+  }
+
+  return FALSE;
+}