X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FBdsDxe%2FHwErrRecSupport.c;h=87e39c3c8d6dcf7bff2cebc80379d5c588cacfa8;hb=1a5afd71270b93beda5eb57065d1e43ba3abe8eb;hp=3b48c370ce37beb8134ee556f555ada8b8c55651;hpb=98cf93471dc3c2bf4e277d42a88cf5d5548dc7b9;p=mirror_edk2.git

diff --git a/MdeModulePkg/Universal/BdsDxe/HwErrRecSupport.c b/MdeModulePkg/Universal/BdsDxe/HwErrRecSupport.c
index 3b48c370ce..87e39c3c8d 100644
--- a/MdeModulePkg/Universal/BdsDxe/HwErrRecSupport.c
+++ b/MdeModulePkg/Universal/BdsDxe/HwErrRecSupport.c
@@ -2,8 +2,8 @@
   Set the level of support for Hardware Error Record Persistence that is
   implemented by the platform.
 
-Copyright (c) 2007 - 2008, Intel Corporation. <BR>
-All rights reserved. This program and the accompanying materials
+Copyright (c) 2007 - 2015, 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
@@ -20,30 +20,29 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   level of support for Hardware Error Record Persistence that is implemented
   by the platform.
 
-
-  @param HwErrRecSupportLevel
-                         zero value:      Indicates that the platform implements no support for
-                                          Hardware Error Record Persistence.
-                         non-zero value:  Indicates that the platform implements Hardware Error
-                                          Record Persistence.
-
 **/
 VOID
 InitializeHwErrRecSupport (
-  IN UINT16       HwErrRecSupportLevel
+  VOID
   )
 {
-  EFI_STATUS  Status;
-
-  Status = gRT->SetVariable (
-                  L"HwErrRecSupport",
-                  &gEfiGlobalVariableGuid,
-                  EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
-                  sizeof (UINT16),
-                  &HwErrRecSupportLevel
-                  );
-  if (EFI_ERROR (Status)) {
-    DEBUG ((EFI_D_ERROR, "HwErrRecSupport: Can not set the variable\n"));
+  EFI_STATUS    Status;
+  UINT16        HardwareErrorRecordLevel;
+  
+  HardwareErrorRecordLevel = PcdGet16 (PcdHardwareErrorRecordLevel);
+  
+  if (HardwareErrorRecordLevel != 0) {
+    //
+    // If level value equal 0, no need set to 0 to variable area because UEFI specification
+    // define same behavior between no value or 0 value for L"HwErrRecSupport".
+    //
+    Status = gRT->SetVariable (
+                    L"HwErrRecSupport",
+                    &gEfiGlobalVariableGuid,
+                    EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+                    sizeof (UINT16),
+                    &HardwareErrorRecordLevel
+                    );
+    ASSERT_EFI_ERROR(Status);
   }
-
 }