1 files changed, 32 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMsr64.nasm b/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMsr64.nasm
new file mode 100644
index 000000000..97b853a3a
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMsr64.nasm
@@ -0,0 +1,32 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+; Module Name:
+;
+;   ReadMsr64.Asm
+;
+; Abstract:
+;
+;   AsmReadMsr64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; AsmReadMsr64 (
+;   IN UINT64  Index
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmReadMsr64)
+ASM_PFX(AsmReadMsr64):
+    mov     ecx, [esp + 4]
+    rdmsr
+    ret
+