After shrinking the FSP (FV) component using FMMT, Image size
in FSP info header is not in sync with the FV length in FV header.
This enhancement helps to patch the FSP image size offset with
correct length & can be used to patch any offset directly on
the FSP Component Fd .

Signed-off-by: Duggapu Chinni B <chinni.b.duggapu@intel.com>
---
 IntelFsp2Pkg/Tools/PatchFv.py                 | 14 ++++++++++++-
 .../Tools/UserManuals/PatchFvUserManual.md    | 20 +++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/IntelFsp2Pkg/Tools/PatchFv.py b/IntelFsp2Pkg/Tools/PatchFv.py
index eb130049b5..156c937abe 100644
--- a/IntelFsp2Pkg/Tools/PatchFv.py
+++ b/IntelFsp2Pkg/Tools/PatchFv.py
@@ -165,6 +165,17 @@ class Symbols:
         if not os.path.isdir(fvDir):
             raise Exception ("'%s' is not a valid directory!" % fvDir)
 
+        #
+        # if user provided fd name as a input, skip rest of the flow to
+        # patch fd directly
+        # 
+        fdFile =  os.path.join(fvDir,fvNames + ".fd")
+        if os.path.exists(fdFile):
+            print("Tool identified Fd file as a input to patch '%s'" %fdFile)
+            self.fdFile = fdFile
+            self.fdSize = os.path.getsize(fdFile)
+            return 0
+
         #
         # If the Guid.xref is not existing in fvDir, then raise an exception
         #
@@ -848,8 +859,9 @@ class Symbols:
 #  Print out the usage
 #
 def Usage():
-    print ("PatchFv Version 0.50")
+    print ("PatchFv Version 0.60")
     print ("Usage: \n\tPatchFv FvBuildDir [FvFileBaseNames:]FdFileBaseNameToPatch \"Offset, Value\"")
+    print ("\tPatchFv FdFileDir FdFileName \"Offset, Value\"")
 
 def main():
     #
diff --git a/IntelFsp2Pkg/Tools/UserManuals/PatchFvUserManual.md b/IntelFsp2Pkg/Tools/UserManuals/PatchFvUserManual.md
index 5f1031e729..33bba38a3f 100644
--- a/IntelFsp2Pkg/Tools/UserManuals/PatchFvUserManual.md
+++ b/IntelFsp2Pkg/Tools/UserManuals/PatchFvUserManual.md
@@ -1,6 +1,7 @@
 #Name
 **_PatchFv.py_** - The python script that patches the firmware volumes (**FV**)
 with in the flash device (**FD**) file post FSP build.
+From version 0.60, script is capable of patching flash device (**FD**) directly.
 
 #Synopsis
 
@@ -10,6 +11,12 @@ PatchFv FvBuildDir [FvFileBaseNames:]FdFileBaseNameToPatch ["Offset, Value"]+
   | ["Offset, Value, $Command"]+
   | ["Offset, Value, $Command, @Comment"]+
 ```
+```
+PatchFv FdFileDir FdFileName ["Offset, Value"]+
+  | ["Offset, Value, @Comment"]+
+  | ["Offset, Value, $Command"]+
+  | ["Offset, Value, $Command, @Comment"]+
+```
 
 #Description
 The **_PatchFv.py_** tool allows the developer to fix up FD images to follow the
@@ -102,6 +109,19 @@ ModuleGuid:Offset
   < > Convert absolute address <expr> into an image offset (expr & FSP_SIZE)
 
 ```
+From version 0.60 tool allows to pass flash device file path as Argument 1 and 
+flash device name as Argument 2 and rules for passing offset & value are same
+as explained in the previous sections.
+
+####Example usage:
+Argument 1
+```
+ YouPlatformFspBinPkg\
+```
+Argument 2
+```
+ Fsp_Rebased_T
+```
 
 ###Special Commands:
 Special commands must use the **$** symbol as a prefix to the command itself.
-- 
2.39.1.windows.1



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