From 20737c2fe6895b2ce291c90596365e9d0ac467b0 Mon Sep 17 00:00:00 2001
From: Jian J Wang <jian.j.wang@intel.com>
Date: Thu, 11 Jan 2018 09:00:28 +0800
Subject: [PATCH] UefiCpuPkg/MpInitLib: fix 32-bit build error

Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
---
 UefiCpuPkg/Library/MpInitLib/DxeMpLib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
index e832c16eca..d2bcef53d6 100644
--- a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
@@ -326,7 +326,7 @@ InitMpGlobalData (
     CpuInfoInHob = (CPU_INFO_IN_HOB *)(UINTN)CpuMpData->CpuInfoInHob;
     for (Index = 0; Index < CpuMpData->CpuCount; ++Index) {
       if (CpuInfoInHob != NULL && CpuInfoInHob[Index].ApTopOfStack != 0) {
-        StackBase = CpuInfoInHob[Index].ApTopOfStack - CpuMpData->CpuApStackSize;
+        StackBase = (UINTN)CpuInfoInHob[Index].ApTopOfStack - CpuMpData->CpuApStackSize;
       } else {
         StackBase = CpuMpData->Buffer + Index * CpuMpData->CpuApStackSize;
       }
-- 
2.39.2