[PATCH 1/3] binman: Generate the preload header and sign the data only once

[yan wang]

From: Paul HENRYS <paul.henrys_ext at softathome.com>

To optimize the preload generation, the header and signatures are only generated
once all data have been collected. This avoids to sign multiple times.

Signed-off-by: Paul HENRYS <paul.henrys_ext at softathome.com>
---
 tools/binman/etype/pre_load.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/binman/etype/pre_load.py b/tools/binman/etype/pre_load.py
index 00f1a896767..1c9cfdad38a 100644
--- a/tools/binman/etype/pre_load.py
+++ b/tools/binman/etype/pre_load.py
@@ -152,14 +152,14 @@ class Entry_pre_load(Entry_collection):
         return data + pad
 
     def ObtainContents(self):
-        """Obtain a placeholder for the header contents"""
-        # wait that the image is available
-        self.image = self.GetContents(False)
-        if self.image is None:
-            return False
-        self.SetContents(self._CreateHeader())
+        """Do nothing here.
+        The data will be obtained and handled in ProcessContents
+        """
         return True
 
     def ProcessContents(self):
+        self.image = self.GetContents(True)
+        if self.image is None:
+            return False
         data = self._CreateHeader()
         return self.ProcessContentsUpdate(data)
-- 
2.25.1