1 files changed, 58 insertions, 0 deletions
diff --git a/Core/UefiCpuPkg/CpuDxe/Ia32/CpuAsm.asm b/Core/UefiCpuPkg/CpuDxe/Ia32/CpuAsm.asm
new file mode 100644
index 0000000000..7f8f0d6f3a
--- /dev/null
+++ b/Core/UefiCpuPkg/CpuDxe/Ia32/CpuAsm.asm
@@ -0,0 +1,58 @@
+      TITLE   CpuAsm.asm:
+;------------------------------------------------------------------------------
+;*
+;*   Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
+;*   This program and the accompanying materials
+;*   are licensed and made available under the terms and conditions of the BSD License
+;*   which accompanies this distribution.  The full text of the license may be found at
+;*   http://opensource.org/licenses/bsd-license.php
+;*
+;*   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+;*   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;*
+;*    CpuAsm.asm
+;*
+;*   Abstract:
+;*
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .code
+
+;------------------------------------------------------------------------------
+; VOID
+; SetCodeSelector (
+;   UINT16 Selector
+;   );
+;------------------------------------------------------------------------------
+SetCodeSelector PROC PUBLIC
+    mov     ecx, [esp+4]
+    sub     esp, 0x10
+    lea     eax, setCodeSelectorLongJump
+    mov     [esp], eax
+    mov     [esp+4], cx
+    jmp     fword ptr [esp]
+setCodeSelectorLongJump:
+    add     esp, 0x10
+    ret
+SetCodeSelector ENDP
+
+;------------------------------------------------------------------------------
+; VOID
+; SetDataSelectors (
+;   UINT16 Selector
+;   );
+;------------------------------------------------------------------------------
+SetDataSelectors PROC PUBLIC
+    mov     ecx, [esp+4]
+    mov     ss, cx
+    mov     ds, cx
+    mov     es, cx
+    mov     fs, cx
+    mov     gs, cx
+    ret
+SetDataSelectors ENDP
+
+
+END