summaryrefslogtreecommitdiff
path: root/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
diff options
context:
space:
mode:
Diffstat (limited to 'MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c')
-rw-r--r--MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
new file mode 100644
index 0000000000..f8c3a253d2
--- /dev/null
+++ b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
@@ -0,0 +1,32 @@
+/** @file
+ CpuFlushTlb function for Ia32/X64 GCC.
+
+ Copyright (c) 2006 - 2008, Intel Corporation<BR>
+ Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<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.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/**
+ Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+
+ Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+
+**/
+VOID
+EFIAPI
+CpuFlushTlb (
+ VOID
+ )
+{
+ AsmWriteCr3 (AsmReadCr3 ());
+}
+