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kernel-uboot: support compressed kernel on MIPS 

MIPS generates vmlinuz.bin when compression in the kernel build is
enabled, including any necessary objcopy so we can leverage that
and skip our manual invocation of objcopy here. We just have to
put the file into the right place for the rest of the build to
find it.

(From OE-Core rev: 3db4004b2982a297a02ebeb6b0cb90cebdb44a0a)

Signed-off-by: André Draszik <adraszik@tycoint.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

(cherry picked from commit 00bc7682473c2558d72ba42c182f8e3bd445f8af)
Signed-off-by: André Draszik <adraszik@tycoint.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
André Draszik 2017-10-06 13:12:56 +01:00 committed by Richard Purdie
parent 1e69586439
commit 431cb72138
1 changed files with 7 additions and 1 deletions
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8
meta/classes/kernel-uboot.bbclass
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@ -3,13 +3,19 @@ uboot_prep_kimage() {
vmlinux_path="arch/${ARCH}/boot/compressed/vmlinux"
linux_suffix=""
linux_comp="none"
elif [ -e arch/${ARCH}/boot/vmlinuz.bin ]; then
rm -f linux.bin
cp -l arch/${ARCH}/boot/vmlinuz.bin linux.bin
vmlinux_path=""
linux_suffix=""
linux_comp="none"
else
vmlinux_path="vmlinux"
linux_suffix=".gz"
linux_comp="gzip"
fi
${OBJCOPY} -O binary -R .note -R .comment -S "${vmlinux_path}" linux.bin
[ -n "${vmlinux_path}" ] && ${OBJCOPY} -O binary -R .note -R .comment -S "${vmlinux_path}" linux.bin
if [ "${linux_comp}" != "none" ] ; then
gzip -9 linux.bin