1 files changed, 31 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm b/roms/edk2/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm
new file mode 100644
index 000000000..bc3b68e3f
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm
@@ -0,0 +1,31 @@
+;------------------------------------------------------------------------------ ;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+; Module Name:
+;
+;   CpuFlushTlb.Asm
+;
+; Abstract:
+;
+;   CpuFlushTlb function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuFlushTlb (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(CpuFlushTlb)
+ASM_PFX(CpuFlushTlb):
+    mov     eax, cr3
+    mov     cr3, eax                    ; moving to CR3 flushes TLB
+    ret
+