1 files changed, 30 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S b/roms/edk2/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S
new file mode 100644
index 000000000..3bafce6f3
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S
@@ -0,0 +1,30 @@
+#------------------------------------------------------------------------------
+#
+# 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
+#
+#------------------------------------------------------------------------------
+
+.text
+.p2align 2
+GCC_ASM_EXPORT(CpuFlushTlb)
+
+#/**
+#  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
+#  )#
+#
+ASM_PFX(CpuFlushTlb):
+    mov r0,#0
+    mcr p15,0,r0,c8,c5,0        // Invalidate all the unlocked entried in TLB
+    bx  LR