From 635021c59421db3d837f4e6797c5dc70bbd78b6f Mon Sep 17 00:00:00 2001
From: andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Sun, 18 Jul 2010 17:56:06 +0000
Subject: Fix 64-bit bug in DxeIpl. You can't cast an & UINT64 to a UINT32 *,
 as the upper 32-bits do not get updated. In my case there was data on the
 stack for the upper 32-bits and it caused the size to be greater than 4GB.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10659 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Core/DxeIplPeim/DxeLoad.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
index 69bae0444f..87fc18cfae 100644
--- a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
+++ b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
@@ -510,10 +510,10 @@ Decompress (
   EFI_STATUS                      Status;
   UINT8                           *DstBuffer;
   UINT8                           *ScratchBuffer;
-  UINTN                           DstBufferSize;
+  UINT32                          DstBufferSize;
   UINT32                          ScratchBufferSize;
   EFI_COMMON_SECTION_HEADER       *Section;
-  UINTN                           SectionLength;
+  UINT32                          SectionLength;
 
   if (CompressionSection->CommonHeader.Type != EFI_SECTION_COMPRESSION) {
     ASSERT (FALSE);
@@ -535,8 +535,8 @@ Decompress (
       //
       Status = UefiDecompressGetInfo (
                  (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
-                 (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),
-                 (UINT32 *) &DstBufferSize,
+                 SectionLength - sizeof (EFI_COMPRESSION_SECTION),
+                 &DstBufferSize,
                  &ScratchBufferSize
                  );
       if (EFI_ERROR (Status)) {
-- 
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