From 339c754a01faee83421c52b8a2ce9e80b9904e7e Mon Sep 17 00:00:00 2001
From: qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 14 Aug 2009 05:39:12 +0000
Subject: [PATCH] Enhance GPT to remove the assumption that GPT partition entry
 in PMBR must be the first partition entry.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9069 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/Disk/PartitionDxe/Gpt.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/MdeModulePkg/Universal/Disk/PartitionDxe/Gpt.c b/MdeModulePkg/Universal/Disk/PartitionDxe/Gpt.c
index c7d74eadd8..7bcfe69747 100644
--- a/MdeModulePkg/Universal/Disk/PartitionDxe/Gpt.c
+++ b/MdeModulePkg/Universal/Disk/PartitionDxe/Gpt.c
@@ -2,7 +2,7 @@
   Decode a hard disk partitioned with the GPT scheme in the UEFI 2.0
   specification.
 
-Copyright (c) 2006 - 2008, Intel Corporation. <BR>
+Copyright (c) 2006 - 2009, Intel Corporation. <BR>
 All rights reserved. This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -231,10 +231,15 @@ PartitionInstallGptChildHandles (
   //
   // Verify that the Protective MBR is valid
   //
-  if (ProtectiveMbr->Partition[0].BootIndicator != 0x00 ||
-      ProtectiveMbr->Partition[0].OSIndicator != PMBR_GPT_PARTITION ||
-      UNPACK_UINT32 (ProtectiveMbr->Partition[0].StartingLBA) != 1
-      ) {
+  for (Index = 0; Index < MAX_MBR_PARTITIONS; Index++) {
+    if (ProtectiveMbr->Partition[Index].BootIndicator == 0x00 &&
+        ProtectiveMbr->Partition[Index].OSIndicator == PMBR_GPT_PARTITION &&
+        UNPACK_UINT32 (ProtectiveMbr->Partition[Index].StartingLBA) == 1
+        ) {
+      break;
+    }
+  }
+  if (Index == MAX_MBR_PARTITIONS) {
     goto Done;
   }