Add a method to the mkeficapsule bintool to generate empty capsules. These are capsules needed for the FWU A/B update feature.
Signed-off-by: Sughosh Ganu sughosh.ganu@linaro.org --- tools/binman/btool/mkeficapsule.py | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)
diff --git a/tools/binman/btool/mkeficapsule.py b/tools/binman/btool/mkeficapsule.py index 61179747ff..89c0adfc9f 100644 --- a/tools/binman/btool/mkeficapsule.py +++ b/tools/binman/btool/mkeficapsule.py @@ -80,6 +80,35 @@ class Bintoolmkeficapsule(bintool.Bintool):
return self.run_cmd(*args)
+ def generate_empty_capsule(self, accept, revert, image_guid, + output_fname): + """Generate empty capsules for FWU A/B updates + + Args: + accept (int): Generate an accept capsule + revert (int): Generate a revert capsule + image_guid (str): GUID used for identifying the image + output_fname (str): Path to the output capsule file + + Returns: + str: Tool output + """ + if accept: + args = [ + f'--guid={image_guid}', + '--fw-accept' + ] + elif revert: + args = [ + '--fw-revert' + ] + + args += [ + output_fname + ] + + return self.run_cmd(*args) + def fetch(self, method): """Fetch handler for mkeficapsule