X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=BaseTools%2FSource%2FPython%2FGenFds%2FFv.py;h=45f6696a5fd74a8be1c42b41dc3063996705ae2e;hp=4b03adc1c83a88063c4e3b11af0cf6d8af30b96c;hb=9425b34925d0cf1b96aaf2c316d3299df9780252;hpb=c46bced224b42d5a03bc8b207167829aa4e7bc5b

diff --git a/BaseTools/Source/Python/GenFds/Fv.py b/BaseTools/Source/Python/GenFds/Fv.py
index 4b03adc1c8..45f6696a5f 100644
--- a/BaseTools/Source/Python/GenFds/Fv.py
+++ b/BaseTools/Source/Python/GenFds/Fv.py
@@ -51,6 +51,7 @@ class FV (FvClassObject):
         self.FvBaseAddress = None
         self.FvForceRebase = None
         self.FvRegionInFD = None
+        self.UsedSizeEnable = False
         
     ## AddToBuffer()
     #
@@ -307,6 +308,10 @@ class FV (FvClassObject):
                                           T_CHAR_LF)
         if not (self.FvAttributeDict == None):
             for FvAttribute in self.FvAttributeDict.keys() :
+                if FvAttribute == "FvUsedSizeEnable":
+                    if self.FvAttributeDict[FvAttribute].upper() in ('TRUE', '1') :
+                        self.UsedSizeEnable = True
+                    continue
                 self.FvInfFile.writelines("EFI_"            + \
                                           FvAttribute       + \
                                           ' = '             + \
@@ -322,12 +327,22 @@ class FV (FvClassObject):
         # Generate FV extension header file
         #
         if self.FvNameGuid == None or self.FvNameGuid == '':
-            if len(self.FvExtEntryType) > 0:
+            if len(self.FvExtEntryType) > 0 or self.UsedSizeEnable:
                 GenFdsGlobalVariable.ErrorLogger("FV Extension Header Entries declared for %s with no FvNameGuid declaration." % (self.UiFvName))
         
         if self.FvNameGuid <> None and self.FvNameGuid <> '':
             TotalSize = 16 + 4
             Buffer = ''
+            if self.UsedSizeEnable:
+                TotalSize += (4 + 4)
+                ## define EFI_FV_EXT_TYPE_USED_SIZE_TYPE 0x03
+                #typedef  struct
+                # {
+                #    EFI_FIRMWARE_VOLUME_EXT_ENTRY Hdr;
+                #    UINT32 UsedSize;
+                # } EFI_FIRMWARE_VOLUME_EXT_ENTRY_USED_SIZE_TYPE;
+                Buffer += pack('HHL', 8, 3, 0)
+
             if self.FvNameString == 'TRUE':
                 #
                 # Create EXT entry for FV UI name