From: mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 9 Nov 2006 22:05:07 +0000 (+0000)
Subject: Use CPU_STACK_ALIGNMENT to align stack allocated for used in the DXE Phase.
X-Git-Tag: edk2-stable201903~23952
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=5a0c25f8177525999683c4dc875217c3eab93d29;ds=sidebyside

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@1925 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c b/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c
index c7d6dd7aac..c9792eeaa1 100644
--- a/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c
+++ b/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c
@@ -262,7 +262,8 @@ Returns:
   // Compute the top of the stack we were allocated. Pre-allocate a 32 bytes
   // for safety (PpisNeededByDxe and DxeCore).
   //
-  TopOfStack = BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - 32;
+  TopOfStack = 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)