1 files changed, 31 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm b/roms/edk2/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm
new file mode 100644
index 000000000..1f77fc7d5
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm
@@ -0,0 +1,31 @@
+;------------------------------------------------------------------------------
+;
+; CpuFlushTlb() for ARM
+;
+; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+;------------------------------------------------------------------------------
+
+  EXPORT CpuFlushTlb
+  AREA cpu_flush_tlb, CODE, READONLY
+
+;/**
+;  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
+;  );
+;
+CpuFlushTlb
+    MOV r0,#0
+    MCR p15,0,r0,c8,c5,0        ;Invalidate all the unlocked entried in TLB
+    BX LR
+
+  END