X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseLib%2FIa32%2FWriteCr0.c;h=46e49a678ada20f20d5344cb290b3b168c04fcbe;hp=a120250fd74f07693a07aae453b20bf70132479f;hb=9344f0921518309295da89c221d10cbead8531aa;hpb=23086ba84cbb13350a2464b857b197eef67f1361

diff --git a/MdePkg/Library/BaseLib/Ia32/WriteCr0.c b/MdePkg/Library/BaseLib/Ia32/WriteCr0.c
index a120250fd7..46e49a678a 100644
--- a/MdePkg/Library/BaseLib/Ia32/WriteCr0.c
+++ b/MdePkg/Library/BaseLib/Ia32/WriteCr0.c
@@ -1,19 +1,22 @@
 /** @file
   AsmWriteCr0 function
 
-  Copyright (c) 2006, Intel Corporation<BR>
-  All rights reserved. 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.
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 
-#if _MSC_EXTENSIONS
+/**
+  Writes a value to Control Register 0 (CR0).
+
+  Writes and returns a new value to CR0. This function is only available on
+  IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.
+
+  @param  Value The value to write to CR0.
 
+  @return The value written to CR0.
+
+**/
 UINTN
 EFIAPI
 AsmWriteCr0 (
@@ -26,4 +29,3 @@ AsmWriteCr0 (
   }
 }
 
-#endif