The virt-fw-dump utility prints the structure and content of edk2 firmware volumes to stdout.
usage: virt-fw-dump [-h] [-i FILE] [--all] [--volumes] [--modules]
[--ovmf-meta] [--volume-hashes]
Dump EFI firmware volumes and EFI variable stores.
options:-h, --help
show this help message and exit
-i, --input FILE
dump firmware volume FILE
--all print everything (default)
--volumes
print firmware volumes
--modules
print included modules
--ovmf-meta
decode ovmf metadata (in reset vector)
--volume-hashes
print volume hashes