CpuInfoInHob = (CPU_INFO_IN_HOB *)(UINTN)CpuMpData->CpuInfoInHob;\r
for (Index = 0; Index < CpuMpData->CpuCount; ++Index) {\r
if (CpuInfoInHob != NULL && CpuInfoInHob[Index].ApTopOfStack != 0) {\r
- StackBase = CpuInfoInHob[Index].ApTopOfStack - CpuMpData->CpuApStackSize;\r
+ StackBase = (UINTN)CpuInfoInHob[Index].ApTopOfStack - CpuMpData->CpuApStackSize;\r
} else {\r
StackBase = CpuMpData->Buffer + Index * CpuMpData->CpuApStackSize;\r
}\r