binman: Add support for outputing a map file

It is useful to be able to see a list of regions in each image produced by
binman. Add a -m option to output this information in a '.map' file
alongside the image file.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/tools/binman/bsection.py b/tools/binman/bsection.py
index 331f806d9a..e0960d4078 100644
--- a/tools/binman/bsection.py
+++ b/tools/binman/bsection.py
@@ -301,3 +301,12 @@ class Section(object):
 
     def GetEntries(self):
         return self._entries
+
+    def WriteMap(self, fd, indent):
+        """Write a map of the section to a .map file
+
+        Args:
+            fd: File to write the map to
+        """
+        for entry in self._entries.values():
+            entry.WriteMap(fd, indent)