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| author |   Sinan Kaya <okaya@kernel.org> | 2020-11-18 20:21:17 +0000 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2020-11-24 10:27:38 +0000 |
| commit | 5c72105e2973e613b5c0f0e6310ffdea6e56c6c7 (patch) | |
| tree | a8fd4b622d57da6daa48495aa7a3b19edc875d29 | |
| parent | 0fd0b5cc27e3ef72bc00f593b0730b7fca5d0450 (diff) | |
| download | openembedded-core-contrib-5c72105e2973e613b5c0f0e6310ffdea6e56c6c7.tar.gz | |
kernel-uboot: allow compression option to be configurable
While some platforms might choose to compress the kernel by
default especially when boot medium is slow, others want
uncompressed kernel.
The choice of decompression speed vs. load speed is very
platform dependent.
Allow platform to choose the option here.
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
| -rw-r--r-- | meta/classes/kernel-uboot.bbclass | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/meta/classes/kernel-uboot.bbclass b/meta/classes/kernel-uboot.bbclass index 87f02654fa..b1e7ac05c2 100644 --- a/meta/classes/kernel-uboot.bbclass +++ b/meta/classes/kernel-uboot.bbclass @@ -1,3 +1,7 @@ +# fitImage kernel compression algorithm +FIT_KERNEL_COMP_ALG ?= "gzip" +FIT_KERNEL_COMP_ALG_EXTENSION ?= ".gz" + uboot_prep_kimage() { if [ -e arch/${ARCH}/boot/compressed/vmlinux ]; then vmlinux_path="arch/${ARCH}/boot/compressed/vmlinux" @@ -11,8 +15,8 @@ uboot_prep_kimage() { linux_comp="none" else vmlinux_path="vmlinux" - linux_suffix=".gz" - linux_comp="gzip" + linux_suffix="${FIT_KERNEL_COMP_ALG_EXTENSION}" + linux_comp="${FIT_KERNEL_COMP_ALG}" fi [ -n "${vmlinux_path}" ] && ${OBJCOPY} -O binary -R .note -R .comment -S "${vmlinux_path}" linux.bin |