1 files changed, 32 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.nasm b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.nasm
new file mode 100644
index 00000000..3143d0e0
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.nasm
@@ -0,0 +1,32 @@
+;------------------------------------------------------------------------------ ;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+; Module Name:
+;
+;   CpuFlushTlb.Asm
+;
+; Abstract:
+;
+;   CpuFlushTlb function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    DEFAULT REL
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuFlushTlb (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(CpuFlushTlb)
+ASM_PFX(CpuFlushTlb):
+    mov     rax, cr3
+    mov     cr3, rax
+    ret
+