From 3a9c252583785c3aabce834e8f9a54fa94685ee8 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Mon, 8 Jul 2019 14:25:51 -0600
Subject: [PATCH] binman: Support reading from CBFS entries
CBFS is a bit like a section but with a custom format. Provide the list of
entries and the compression type to binman so that it can extract the data
from the CBFS, just like any other part of the image.
Signed-off-by: Simon Glass <sjg@chromium.org>
---
tools/binman/cbfs_util.py | 14 ++++++++++++++
tools/binman/etype/cbfs.py | 7 +++++++
2 files changed, 21 insertions(+)
diff --git a/tools/binman/cbfs_util.py b/tools/binman/cbfs_util.py
index 4691be4aee..45e16da0aa 100644
--- a/tools/binman/cbfs_util.py
+++ b/tools/binman/cbfs_util.py
@@ -142,6 +142,20 @@ def find_compress(find_name):
return compress
return None
+def compress_name(compress):
+ """Look up the name of a compression algorithm
+
+ Args:
+ compress: Compression algorithm number to find (COMPRESS_...)
+
+ Returns:
+ Compression algorithm name (string)
+
+ Raises:
+ KeyError if the algorithm number is invalid
+ """
+ return COMPRESS_NAMES[compress]
+
def align_int(val, align):
"""Align a value up to the given alignment
diff --git a/tools/binman/etype/cbfs.py b/tools/binman/etype/cbfs.py
index 953d6f4868..edf2189fd2 100644
--- a/tools/binman/etype/cbfs.py
+++ b/tools/binman/etype/cbfs.py
@@ -238,6 +238,10 @@ class Entry_cbfs(Entry):
entry.AddMissingProperties()
if entry._cbfs_compress:
state.AddZeroProp(entry._node, 'uncomp-size')
+ # Store the 'compress' property, since we don't look at
+ # 'cbfs-compress' in Entry.ReadData()
+ state.AddString(entry._node, 'compress',
+ cbfs_util.compress_name(entry._cbfs_compress))
def SetCalculatedProperties(self):
"""Set the value of device-tree properties calculated by binman"""
@@ -254,3 +258,6 @@ class Entry_cbfs(Entry):
Entry.ListEntries(self, entries, indent)
for entry in self._cbfs_entries.values():
entry.ListEntries(entries, indent + 1)
+
+ def GetEntries(self):
+ return self._cbfs_entries
--
2.39.5