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ref-manual: add FIT_KERNEL_COMP_ALG*

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Add FIT_KERNEL_COMP_ALG and FIT_KERNEL_COMP_ALG_EXTENSION. Examining
OE-Core commit 5c72105e2973e613b5c0f0e6310ffdea6e56c6c7 and the
associated code, these do not enable arbitrary selection of compression
algorithm - only disabling compression - so document them accordingly.

(From yocto-docs rev: 41640526dd87153fdf802b058336c6fb466b8ade)

Signed-off-by: Paul Eggleton <paul.eggleton@microsoft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton 2021-04-14 11:56:33 +12:00 committed by Richard Purdie
parent e7559be8d5
commit 4af4b69f71
1 changed files with 10 additions and 0 deletions
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documentation/ref-manual/variables.rst
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@ -2580,6 +2580,16 @@ system and gives an overview of their function and contents.
:term:`FIT_HASH_ALG`
Specifies the hash algorithm used in creating the FIT Image. For e.g. sha256.
:term:`FIT_KERNEL_COMP_ALG`
Compression algorithm to use for the kernel image inside the FIT Image.
At present, the only supported values are "gzip" (default) or "none"
If you set this variable to anything other than "none" you may also need
to set :term:`FIT_KERNEL_COMP_ALG_EXTENSION`.
:term:`FIT_KERNEL_COMP_ALG_EXTENSION`
File extension corresponding to :term:`FIT_KERNEL_COMP_ALG`. The default
value is ".gz".
:term:`FIT_KEY_GENRSA_ARGS`
Arguments to openssl genrsa for generating RSA private key for signing
fitImage. The default value is "-F4". i.e. the public exponent 65537 to