commit a1301a2c5309d11ba4eb5d97859addee9bf3ae0e
author Simon Glass <sjg@chromium.org> Mon Oct 26 17:40:06 2020 -0600
committer Simon Glass <sjg@chromium.org> Thu Oct 29 14:42:59 2020 -0600
tree de355960330dbb712f69c0ad675c4bc0724699e6
parent d6179866f1edd04861ce29394ad79fa4d4b645c8

binman: Move CompressData() into Entry base class

At present this is only used by blobs. To allow it to be used by other
entry types (such as sections), move it into the base class.

Also read the compression type in the base class.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/binman/entry.py

diff --git a/tools/binman/entry.py b/tools/binman/entry.py
index f7adc3b..173c913 100644
--- a/tools/binman/entry.py
+++ b/tools/binman/entry.py
@@ -180,6 +180,9 @@
         self.expand_size = fdt_util.GetBool(self._node, 'expand-size')
         self.missing_msg = fdt_util.GetString(self._node, 'missing-msg')
 
+        # This is only supported by blobs and sections at present
+        self.compress = fdt_util.GetString(self._node, 'compress', 'none')
+
     def GetDefaultFilename(self):
         return None
 
@@ -836,3 +839,17 @@
             list of possible tags, most desirable first
         """
         return list(filter(None, [self.missing_msg, self.name, self.etype]))
+
+    def CompressData(self, indata):
+        """Compress data according to the entry's compression method
+
+        Args:
+            indata: Data to compress
+
+        Returns:
+            Compressed data (first word is the compressed size)
+        """
+        if self.compress != 'none':
+            self.uncomp_size = len(indata)
+        data = tools.Compress(indata, self.compress)
+        return data