Hi Simon,
On 2/4/23 23:24, Simon Glass wrote:
Implement this feature since it is useful for updating FITs within an
image.
Signed-off-by: Simon Glass <[email protected]>
---
tools/binman/binman.rst | 16 ++++++++++
tools/binman/etype/section.py | 28 ++++++++++++-----
tools/binman/ftest.py | 58 ++++++++++++++++++++++++++++++++---
3 files changed, 90 insertions(+), 12 deletions(-)
diff --git a/tools/binman/binman.rst b/tools/binman/binman.rst
index 03a99a19bc6..ece2c05128a 100644
--- a/tools/binman/binman.rst
+++ b/tools/binman/binman.rst
@@ -1327,6 +1327,22 @@ You can also replace just a selection of entries::
$ binman replace -i image.bin "*u-boot*" -I indir
+It is possible to replace whole sections as well, but in that case any
+information about entries within the section may become outdated. This is
+because Binman cannot know whether things have moved around or resized within
+the section, once you have updated its data.
+
+Technical note: With 'allow-repack', Binman writes information about the
+original offset and size properties of each entry, if any were specified, in
+the 'orig-offset' and 'orig-size' properties. This allows Binman to distinguish
+between an entry which ended up being packed at an offset (or assigned a size)
+and an entry which had a particular offset / size requested in the Binman
+configuration. Where are particular offset / size was requested, this is
treated
s/Where are/Where a/
Cheers,
Quentin
