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-rw-r--r--OldMdePkg/Library/BaseLib/Ia32/WriteCr3.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/OldMdePkg/Library/BaseLib/Ia32/WriteCr3.c b/OldMdePkg/Library/BaseLib/Ia32/WriteCr3.c
new file mode 100644
index 0000000000..0714d8e76f
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/Ia32/WriteCr3.c
@@ -0,0 +1,26 @@
+/** @file
+ AsmWriteCr3 function
+
+ Copyright (c) 2006 - 2007, 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.
+
+**/
+
+UINTN
+EFIAPI
+AsmWriteCr3 (
+ UINTN Value
+ )
+{
+ _asm {
+ mov eax, Value
+ mov cr3, eax
+ }
+}
+