diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.S b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.S
index 378e06520c..62f1697efa 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.S
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.S
@@ -28,6 +28,7 @@ ASM_GLOBAL  ASM_PFX(mXdSupported)
 ASM_GLOBAL  ASM_PFX(FeaturePcdGet (PcdCpuSmmStackGuard))
 ASM_GLOBAL  ASM_PFX(gSmiHandlerIdtr)
 
+.equ            MSR_IA32_MISC_ENABLE, 0x1A0
 .equ            MSR_EFER, 0xc0000080
 .equ            MSR_EFER_XD, 0x800
 
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.asm b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.asm
index a4f4dcbda6..8296f36d26 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.asm
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.asm
@@ -202,7 +202,7 @@ _SmiHandler PROC
     call    eax
     add     esp, 4
 
-    mov     eax, mXdSupported
+    mov     eax, offset mXdSupported
     mov     al, [eax]
     cmp     al, 0
     jz      @f
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.S b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.S
index f4761b0160..600d8623cd 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.S
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.S
@@ -158,7 +158,7 @@ L13:
     rdmsr
     orw     $MSR_EFER_XD,%ax            # enable NXE
     wrmsr
-    jmp     @NxeDone
+    jmp     NxeDone
 SkipNxe:
     subl    $8, %esp
 NxeDone:
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.asm b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.asm
index e2fcb6f0d5..c74f82aac8 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.asm
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.asm
@@ -222,7 +222,7 @@ _SmiHandler:
 
     add     rsp, 200h
 
-    mov     rax, ASM_PFX(mXdSupported)
+    mov     rax, offset ASM_PFX(mXdSupported)
     mov     al, [rax]
     cmp     al, 0
     jz      @f