UefiCpuPkg CpuDxe: Convert Ia32/CpuAsm.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/CpuAsm.asm to Ia32/CpuAsm.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>

UefiCpuPkg/CpuDxe/Ia32/CpuAsm.nasm

@@ -0,0 +1,53 @@
+;------------------------------------------------------------------------------
+;*
+;*   Copyright (c) 2016, 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.nasm
+;*
+;*   Abstract:
+;*
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; SetCodeSelector (
+;   UINT16 Selector
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(SetCodeSelector)
+ASM_PFX(SetCodeSelector):
+    mov     ecx, [esp+4]
+    sub     esp, 0x10
+    lea     eax, [setCodeSelectorLongJump]
+    mov     [esp], eax
+    mov     [esp+4], cx
+    jmp     dword far [esp]
+setCodeSelectorLongJump:
+    add     esp, 0x10
+    ret
+
+;------------------------------------------------------------------------------
+; VOID
+; SetDataSelectors (
+;   UINT16 Selector
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(SetDataSelectors)
+ASM_PFX(SetDataSelectors):
+    mov     ecx, [esp+4]
+o16 mov     ss, cx
+o16 mov     ds, cx
+o16 mov     es, cx
+o16 mov     fs, cx
+o16 mov     gs, cx
+    ret
+