Sync BaseTool trunk (version r2640) into EDKII BaseTools.

[mirror_edk2.git] / BaseTools / Source / Python / GenFds / GenFdsGlobalVariable.py

diff --git a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
index 2fa4cb8c0dfa411a3991e4b20db26a41c7082ef4..1cd31bccc351d5086affc104d2bddf160c8fd86c 100644 (file)
--- a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
+++ b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
@@ -65,6 +65,19 @@ class GenFdsGlobalVariable:
     BuildRuleFamily = "MSFT"
     ToolChainFamily = "MSFT"
     __BuildRuleDatabase = None
+    
+    #
+    # The list whose element are flags to indicate if large FFS or SECTION files exist in FV.
+    # At the beginning of each generation of FV, false flag is appended to the list,
+    # after the call to GenerateSection returns, check the size of the output file,
+    # if it is greater than 0xFFFFFF, the tail flag in list is set to true,
+    # and EFI_FIRMWARE_FILE_SYSTEM3_GUID is passed to C GenFv.
+    # At the end of generation of FV, pop the flag.
+    # List is used as a stack to handle nested FV generation.
+    #
+    LargeFileInFvFlags = []
+    EFI_FIRMWARE_FILE_SYSTEM3_GUID = '5473C07A-3DCB-4dca-BD6F-1E9689E7349A'
+    LARGE_FILE_SIZE = 0x1000000
 
     SectionHeader = struct.Struct("3B 1B")
     
@@ -390,11 +403,13 @@ class GenFdsGlobalVariable:
             Cmd += Input
 
             SaveFileOnChange(CommandFile, ' '.join(Cmd), False)
-            if not GenFdsGlobalVariable.NeedsUpdate(Output, list(Input) + [CommandFile]):
-                return
-            GenFdsGlobalVariable.DebugLogger(EdkLogger.DEBUG_5, "%s needs update because of newer %s" % (Output, Input))
+            if GenFdsGlobalVariable.NeedsUpdate(Output, list(Input) + [CommandFile]):
+                GenFdsGlobalVariable.DebugLogger(EdkLogger.DEBUG_5, "%s needs update because of newer %s" % (Output, Input))
+                GenFdsGlobalVariable.CallExternalTool(Cmd, "Failed to generate section")
 
-            GenFdsGlobalVariable.CallExternalTool(Cmd, "Failed to generate section")
+            if (os.path.getsize(Output) >= GenFdsGlobalVariable.LARGE_FILE_SIZE and
+                GenFdsGlobalVariable.LargeFileInFvFlags):
+                GenFdsGlobalVariable.LargeFileInFvFlags[-1] = True 
 
     @staticmethod
     def GetAlignment (AlignString):
@@ -432,7 +447,7 @@ class GenFdsGlobalVariable:
 
     @staticmethod
     def GenerateFirmwareVolume(Output, Input, BaseAddress=None, ForceRebase=None, Capsule=False, Dump=False,
-                               AddressFile=None, MapFile=None, FfsList=[]):
+                               AddressFile=None, MapFile=None, FfsList=[], FileSystemGuid=None):
         if not GenFdsGlobalVariable.NeedsUpdate(Output, Input+FfsList):
             return
         GenFdsGlobalVariable.DebugLogger(EdkLogger.DEBUG_5, "%s needs update because of newer %s" % (Output, Input))
@@ -454,6 +469,8 @@ class GenFdsGlobalVariable:
             Cmd += ["-a", AddressFile]
         if MapFile not in [None, '']:
             Cmd += ["-m", MapFile]
+        if FileSystemGuid:
+            Cmd += ["-g", FileSystemGuid]
         Cmd += ["-o", Output]
         for I in Input:
             Cmd += ["-i", I]