From 85e43be15eeca5087dab277ee4f3ecb4685a07b0 Mon Sep 17 00:00:00 2001
From: klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 1 Nov 2007 07:10:43 +0000
Subject: [PATCH] The default value of SecMain should be set as INIT_CAR_VALUE
 = 0x5aa55aa5, then PeiMain could computer how many stack ever used.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4261 6f19259b-4bc3-4df7-8a09-765794883524
---
 Nt32Pkg/Sec/SecMain.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Nt32Pkg/Sec/SecMain.c b/Nt32Pkg/Sec/SecMain.c
index 5b36dc6a3b..3058269d38 100644
--- a/Nt32Pkg/Sec/SecMain.c
+++ b/Nt32Pkg/Sec/SecMain.c
@@ -154,6 +154,7 @@ Returns:
   VOID                  *PeiCoreFile;
   CHAR16                *MemorySizeStr;
   CHAR16                *FirmwareVolumesStr;
+  UINTN                 *StackPointer;
   
   MemorySizeStr      = (CHAR16 *) FixedPcdGetPtr (PcdWinNtMemorySizeForSecMain);
   FirmwareVolumesStr = (CHAR16 *) FixedPcdGetPtr (PcdWinNtFirmwareVolume);
@@ -202,6 +203,12 @@ Returns:
     exit (1);
   }
 
+  for (StackPointer = (UINTN*) (UINTN) InitialStackMemory;
+       StackPointer < (UINTN*) ((UINTN)InitialStackMemory + (SIZE_T) InitialStackMemorySize);
+       StackPointer ++) {
+    *StackPointer = 0x5AA55AA5;
+  }
+  
   printf ("  SEC passing in %d bytes of temp RAM to PEI\n", InitialStackMemorySize);
 
   //
-- 
2.39.2