From f1c8fc5e67bfb40fa7d2b91b5972eb6f0e8760ad Mon Sep 17 00:00:00 2001 From: Sughosh Ganu Date: Tue, 10 Oct 2023 14:40:58 +0530 Subject: [PATCH] btool: mkeficapsule: Add support for EFI empty capsule generation 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 Reviewed-by: Simon Glass --- tools/binman/btool/mkeficapsule.py | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tools/binman/btool/mkeficapsule.py b/tools/binman/btool/mkeficapsule.py index 61179747ff..ef1da638df 100644 --- a/tools/binman/btool/mkeficapsule.py +++ b/tools/binman/btool/mkeficapsule.py @@ -80,6 +80,32 @@ class Bintoolmkeficapsule(bintool.Bintool): return self.run_cmd(*args) + def generate_empty_capsule(self, image_guid, output_fname, + accept=True): + """Generate empty capsules for FWU A/B updates + + Args: + image_guid (str): GUID used for identifying the image + in case of an accept capsule + output_fname (str): Path to the output capsule file + accept (bool): Generate an accept capsule, + else a revert capsule + + Returns: + str: Tool output + """ + if accept: + args = [ + f'--guid={image_guid}', + '--fw-accept' + ] + else: + args = [ '--fw-revert' ] + + args += [ output_fname ] + + return self.run_cmd(*args) + def fetch(self, method): """Fetch handler for mkeficapsule -- 2.39.5