diff --git a/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.asm b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.asm
new file mode 100644
index 0000000000..e9c9f54710
--- /dev/null
+++ b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.asm
@@ -0,0 +1,202 @@
+;/*++
+;
+;Copyright (c) 2006, Intel Corporation                                                         
+;All rights reserved. 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.             
+;
+;Module Name:
+;
+;  CpuIA32.c
+;
+;Abstract:
+;
+;--*/
+
+;#include "CpuIA32.h"
+
+;---------------------------------------------------------------------------
+    .586p
+    .model  flat,C
+    .code
+
+;---------------------------------------------------------------------------
+;VOID
+;EfiHalt (
+;  VOID
+;)
+EfiHalt PROC C PUBLIC
+    hlt
+    ret
+EfiHalt ENDP    
+
+;VOID
+;EfiWbinvd (
+;  VOID
+;)
+EfiWbinvd PROC C PUBLIC
+    wbinvd
+    ret
+EfiWbinvd ENDP
+
+;VOID
+;EfiInvd (
+; VOID
+;)
+EfiInvd PROC C PUBLIC
+    invd
+    ret
+EfiInvd ENDP
+
+;VOID
+;EfiCpuid (IN UINT32 RegisterInEax,
+;          OUT EFI_CPUID_REGISTER *Reg OPTIONAL)
+EfiCpuid PROC C PUBLIC
+    push ebp
+    mov  ebp, esp
+    push ebx
+    push esi
+    push edi
+    pushad
+
+    mov    eax, dword ptr[ebp + 8] ;egisterInEax
+    cpuid
+    cmp    dword ptr[ebp + 0Ch], 0 ; Reg
+    je     @F
+    mov         edi,dword ptr [ebp+0Ch] ; Reg 
+
+    mov         dword ptr [edi],eax ; Reg->RegEax
+    mov         dword ptr [edi+4],ebx ; Reg->RegEbx
+    mov         dword ptr [edi+8],ecx ; Reg->RegEcx
+    mov         dword ptr [edi+0Ch],edx ; Reg->RegEdx
+
+@@:
+    popad
+    pop         edi
+    pop         esi
+    pop         ebx
+    pop         ebp
+    
+    ret
+EfiCpuid ENDP
+
+
+;UINT64
+;EfiReadMsr (
+;  IN UINT32 Index
+;  );
+EfiReadMsr PROC C PUBLIC
+    mov    ecx, dword ptr [esp + 4]; Index
+    rdmsr
+    ret
+EfiReadMsr ENDP
+
+;VOID
+;EfiWriteMsr (
+;  IN   UINT32  Index,
+;  IN   UINT64  Value
+;  );
+EfiWriteMsr PROC C PUBLIC
+    mov    ecx, dword ptr [esp+4]; Index
+    mov    eax, dword ptr [esp+8]; DWORD PTR Value[0]
+    mov    edx, dword ptr [esp+0Ch]; DWORD PTR Value[4]
+    wrmsr            
+    ret
+EfiWriteMsr  ENDP
+
+;UINT64
+;EfiReadTsc (
+;  VOID
+;  )
+EfiReadTsc PROC C PUBLIC
+    rdtsc
+    ret
+EfiReadTsc  ENDP
+
+;VOID
+;EfiDisableCache (
+;  VOID
+;)
+EfiDisableCache PROC C PUBLIC
+    mov   eax, cr0
+    bswap eax
+    and   al, 60h
+    cmp   al, 60h
+    je    @F
+    mov   eax, cr0
+    or    eax, 060000000h     
+    mov   cr0, eax
+    wbinvd
+@@:
+    ret
+EfiDisableCache  ENDP
+
+;VOID
+;EfiEnableCache (
+;  VOID
+;  )
+EfiEnableCache PROC C PUBLIC
+    invd
+    mov   eax, cr0
+    and   eax, 09fffffffh         
+    mov   cr0, eax
+    ret
+EfiEnableCache  ENDP
+
+;UINT32
+;EfiGetEflags (
+;  VOID
+;  )
+EfiGetEflags PROC C PUBLIC
+    pushfd
+    pop  eax
+    ret
+EfiGetEflags  ENDP
+
+;VOID
+;EfiDisableInterrupts (
+;  VOID
+;  )
+EfiDisableInterrupts PROC C PUBLIC
+    cli
+    ret
+EfiDisableInterrupts  ENDP
+
+;VOID
+;EfiEnableInterrupts (
+;  VOID
+;  )
+EfiEnableInterrupts  PROC C PUBLIC
+    sti
+    ret
+EfiEnableInterrupts   ENDP
+
+;VOID
+;EfiCpuidExt (
+;  IN   UINT32              RegisterInEax,
+;  IN   UINT32              CacheLevel,
+;  OUT  EFI_CPUID_REGISTER  *Regs              
+;  )
+EfiCpuidExt PROC C PUBLIC USES ebx edi esi
+    pushad
+
+    mov    eax, dword ptr [esp + 30h] ; RegisterInEax
+    mov    ecx, dword ptr [esp + 34h] ; CacheLevel
+    cpuid
+    mov    edi, dword ptr [esp + 38h] ; DWORD PTR Regs 
+
+    mov    dword ptr [edi], eax   	; Reg->RegEax
+    mov    dword ptr [edi + 4], ebx   	; Reg->RegEbx
+    mov    dword ptr [edi + 8], ecx   	; Reg->RegEcx
+    mov    dword ptr [edi + 0Ch], edx   ; Reg->RegEdx
+
+    popad
+    ret
+EfiCpuidExt  ENDP
+
+	END
+