Reviewed-by: Bob Feng <bob.c.f...@intel.com>

-----Original Message-----
From: Chen, Christine <yuwei.c...@intel.com> 
Sent: Thursday, June 29, 2023 11:35 AM
To: devel@edk2.groups.io
Cc: Rebecca Cran <rebe...@bsdio.com>; Gao, Liming <gaolim...@byosoft.com.cn>; 
Feng, Bob C <bob.c.f...@intel.com>
Subject: [Patch V2 4/4] BaseTools: FMMT replace new free space fixing in replace

In FMMT replace function, when newffs size <= targetffs size, the new free 
space is calculated wrong as loss the pad data delta size.
That will cause invalid binary generated.
This patch fixes this issue.

Cc: Rebecca Cran <rebe...@bsdio.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Cc: Bob Feng <bob.c.f...@intel.com>
Signed-off-by: Yuwei Chen <yuwei.c...@intel.com>
---
 BaseTools/Source/Python/FMMT/core/FvHandler.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BaseTools/Source/Python/FMMT/core/FvHandler.py 
b/BaseTools/Source/Python/FMMT/core/FvHandler.py
index 49bbc35baa4d..7a6076033681 100644
--- a/BaseTools/Source/Python/FMMT/core/FvHandler.py
+++ b/BaseTools/Source/Python/FMMT/core/FvHandler.py
@@ -456,7 +456,7 @@ class FvHandler:
                     # Start free space calculating and moving process.
                     self.ModifyTest(TargetFv.Parent, Needed_Space)
         else:
-            New_Free_Space = self.TargetFfs.Data.Size - self.NewFfs.Data.Size
+            New_Free_Space = self.TargetFfs.Data.Size + 
+ len(self.TargetFfs.Data.PadData) - self.NewFfs.Data.Size - 
+ len(self.NewFfs.Data.PadData)
             # If TargetFv already have free space, move the new free space 
into it.
             if TargetFv.Data.Free_Space:
                 TargetFv.Child[-1].Data.Data += b'\xff' * New_Free_Space
--
2.27.0.windows.1



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#106500): https://edk2.groups.io/g/devel/message/106500
Mute This Topic: https://groups.io/mt/99845068/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-


Reply via email to