From cb77b48ad9ee73acfb78c1d800ace7417fb7a24e Mon Sep 17 00:00:00 2001
From: Olivier Martin <olivier.martin@arm.com>
Date: Wed, 12 Mar 2014 17:23:33 +0000
Subject: ArmPlatformPkg/BootMonFs: Added support for new revision of the NOR
 Flash file system

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15324 6f19259b-4bc3-4df7-8a09-765794883524
---
 ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsHw.h        |  4 ++++
 ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsImages.c    | 14 +++++++++-----
 ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsOpenClose.c |  5 +++++
 3 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsHw.h b/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsHw.h
index 3ebb5ba54a..c1bef755ae 100644
--- a/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsHw.h
+++ b/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsHw.h
@@ -19,9 +19,13 @@
 
 #define HW_IMAGE_FOOTER_SIGNATURE_1 0x464C5348
 #define HW_IMAGE_FOOTER_SIGNATURE_2 0x464F4F54
+
 #define HW_IMAGE_FOOTER_VERSION     1
 #define HW_IMAGE_FOOTER_OFFSET      92
 
+#define HW_IMAGE_FOOTER_VERSION2    2
+#define HW_IMAGE_FOOTER_OFFSET2     96
+
 typedef struct {
   CHAR8  Filename[MAX_NAME_LENGTH];
   UINT32 Offset;
diff --git a/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsImages.c b/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsImages.c
index 7d3e901903..aadc0c7f93 100644
--- a/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsImages.c
+++ b/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsImages.c
@@ -109,11 +109,15 @@ BootMonFsImageInThisBlock (
     return FALSE;
   }
 
-  if (Ptr->Version != HW_IMAGE_FOOTER_VERSION) {
-    return FALSE;
-  }
-
-  if (Ptr->Offset != HW_IMAGE_FOOTER_OFFSET) {
+  if (Ptr->Version == HW_IMAGE_FOOTER_VERSION) {
+    if (Ptr->Offset != HW_IMAGE_FOOTER_OFFSET) {
+      return FALSE;
+    }
+  } else if (Ptr->Version == HW_IMAGE_FOOTER_VERSION2) {
+    if (Ptr->Offset != HW_IMAGE_FOOTER_OFFSET2) {
+      return FALSE;
+    }
+  } else {
     return FALSE;
   }
 
diff --git a/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsOpenClose.c b/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsOpenClose.c
index 908393fa53..778af389a0 100644
--- a/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsOpenClose.c
+++ b/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsOpenClose.c
@@ -100,8 +100,13 @@ FlushAppendRegion (
   Description->BlockEnd = Description->BlockStart + (NewFileSize / BlockSize);
   Description->Footer.FooterSignature1 = HW_IMAGE_FOOTER_SIGNATURE_1;
   Description->Footer.FooterSignature2 = HW_IMAGE_FOOTER_SIGNATURE_2;
+#ifdef MDE_CPU_ARM
   Description->Footer.Version = HW_IMAGE_FOOTER_VERSION;
   Description->Footer.Offset = HW_IMAGE_FOOTER_OFFSET;
+#else
+  Description->Footer.Version = HW_IMAGE_FOOTER_VERSION2;
+  Description->Footer.Offset = HW_IMAGE_FOOTER_OFFSET2;
+#endif
   Description->RegionCount = 1;
   Description->Region[0].Checksum = 0;
   Description->Region[0].Offset = Description->BlockStart * BlockSize;
-- 
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