From: mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 9 Nov 2006 22:04:33 +0000 (+0000)
Subject: Use CPU_STACK_ALIGNMENT to align stack allocated for used in the DXE Phase.
X-Git-Tag: edk2-stable201903~23953
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=395859376eb5342ea1fd06f0c8d8682be8921d6f

Use CPU_STACK_ALIGNMENT to align stack allocated for used in the DXE Phase.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1924 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/EdkModulePkg/Core/DxeIplPeim/DxeLoad.c b/EdkModulePkg/Core/DxeIplPeim/DxeLoad.c
index 8e1aeedac2..fdd6c24b2e 100644
--- a/EdkModulePkg/Core/DxeIplPeim/DxeLoad.c
+++ b/EdkModulePkg/Core/DxeIplPeim/DxeLoad.c
@@ -259,7 +259,8 @@ Returns:
   // Compute the top of the stack we were allocated. Pre-allocate a UINTN
   // for safety.
   //
-  TopOfStack = (VOID *)((UINTN)BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - sizeof (UINTN));
+  TopOfStack = (VOID *)((UINTN)BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT);
+  TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);
 
   //
   // Add architecture-specifc HOBs (including the BspStore HOB)