1 files changed, 32 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseLib/Ia32/WriteCr4.nasm b/roms/edk2/MdePkg/Library/BaseLib/Ia32/WriteCr4.nasm
new file mode 100644
index 000000000..b090606b1
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseLib/Ia32/WriteCr4.nasm
@@ -0,0 +1,32 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+; Module Name:
+;
+;   WriteCr4.Asm
+;
+; Abstract:
+;
+;   AsmWriteCr4 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteCr4 (
+;   UINTN  Cr4
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmWriteCr4)
+ASM_PFX(AsmWriteCr4):
+    mov     eax, [esp + 4]
+    mov     cr4, eax
+    ret
+