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

-----Original Message-----
From: Chen, Christine <yuwei.c...@intel.com> 
Sent: Tuesday, April 18, 2023 5:53 PM
To: devel@edk2.groups.io
Cc: Rebecca Cran <rebe...@bsdio.com>; Feng, Bob C <bob.c.f...@intel.com>; Gao, 
Liming <gaolim...@byosoft.com.cn>
Subject: [Patch V1 2/3] BaseTools: FMMT replace output file is not generated 
successfully

For replace function, when target Ffs and new ffs are with same size, the 
output file can not be generated successfully.
This patch fixes this issue.

Cc: Rebecca Cran <rebe...@bsdio.com>
Cc: Bob Feng <bob.c.f...@intel.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Signed-off-by: Yuwei Chen <yuwei.c...@intel.com>
---
 BaseTools/Source/Python/FMMT/core/BiosTree.py  |  4 ++--  
BaseTools/Source/Python/FMMT/core/FvHandler.py | 19 ++++++++++++++++---
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/BaseTools/Source/Python/FMMT/core/BiosTree.py 
b/BaseTools/Source/Python/FMMT/core/BiosTree.py
index d8fa474335..137f49748b 100644
--- a/BaseTools/Source/Python/FMMT/core/BiosTree.py
+++ b/BaseTools/Source/Python/FMMT/core/BiosTree.py
@@ -56,7 +56,7 @@ class BIOSTREE:
         if len(self.Child) == 0:
             self.Child.append(newNode)
         else:
-            if not pos:
+            if not pos or pos == len(self.Child):
                 LastTree = self.Child[-1]
                 self.Child.append(newNode)
                 LastTree.NextRel = newNode @@ -195,4 +195,4 @@ class BIOSTREE:
         for item in self.Child:
             TreeInfo[key].setdefault('Files',[]).append( item.ExportTree())
 
-        return TreeInfo
\ No newline at end of file
+        return TreeInfo
diff --git a/BaseTools/Source/Python/FMMT/core/FvHandler.py 
b/BaseTools/Source/Python/FMMT/core/FvHandler.py
index b0cc1951a1..49bbc35baa 100644
--- a/BaseTools/Source/Python/FMMT/core/FvHandler.py
+++ b/BaseTools/Source/Python/FMMT/core/FvHandler.py
@@ -387,7 +387,21 @@ class FvHandler:
         if self.NewFfs.Data.Size >= self.TargetFfs.Data.Size:
             Needed_Space = self.NewFfs.Data.Size + 
len(self.NewFfs.Data.PadData) - self.TargetFfs.Data.Size - 
len(self.TargetFfs.Data.PadData)
             # If TargetFv have enough free space, just move part of the free 
space to NewFfs.
-            if TargetFv.Data.Free_Space >= Needed_Space:
+            if Needed_Space == 0:
+                Target_index = TargetFv.Child.index(self.TargetFfs)
+                TargetFv.Child.remove(self.TargetFfs)
+                TargetFv.insertChild(self.NewFfs, Target_index)
+                # Modify TargetFv Header and ExtHeader info.
+                TargetFv.Data.ModFvExt()
+                TargetFv.Data.ModFvSize()
+                TargetFv.Data.ModExtHeaderData()
+                ModifyFvExtData(TargetFv)
+                TargetFv.Data.ModCheckSum()
+                # Recompress from the Fv node to update all the related node 
data.
+                self.CompressData(TargetFv)
+                # return the Status
+                self.Status = True
+            elif TargetFv.Data.Free_Space >= Needed_Space:
                 # Modify TargetFv Child info and BiosTree.
                 TargetFv.Child[-1].Data.Data = b'\xff' * 
(TargetFv.Data.Free_Space - Needed_Space)
                 TargetFv.Data.Free_Space -= Needed_Space @@ -450,7 +464,6 @@ 
class FvHandler:
                 Target_index = TargetFv.Child.index(self.TargetFfs)
                 TargetFv.Child.remove(self.TargetFfs)
                 TargetFv.insertChild(self.NewFfs, Target_index)
-                self.Status = True
             # If TargetFv do not have free space, create free space for Fv.
             else:
                 New_Free_Space_Tree = BIOSTREE('FREE_SPACE') @@ -461,7 +474,6 
@@ class FvHandler:
                 Target_index = TargetFv.Child.index(self.TargetFfs)
                 TargetFv.Child.remove(self.TargetFfs)
                 TargetFv.insertChild(self.NewFfs, Target_index)
-                self.Status = True
             # Modify TargetFv Header and ExtHeader info.
             TargetFv.Data.ModFvExt()
             TargetFv.Data.ModFvSize()
@@ -470,6 +482,7 @@ class FvHandler:
             TargetFv.Data.ModCheckSum()
             # Recompress from the Fv node to update all the related node data.
             self.CompressData(TargetFv)
+            self.Status = True
         logger.debug('Done!')
         return self.Status
 
--
2.39.1.windows.1



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