generic-poky/meta/classes/kernel-uimage.bbclass
Marek Vasut 1604ca299b kernel: Build uImage only when really needed
Build the uImage file using the kernel build system only when
it is really required, which is only in case KEEPUIMAGE == yes.
Otherwise, just build zImage, since the Yocto build system will
handle the uImage generation for us.

(From OE-Core rev: e6952593d810636f26af541b12126848483e619a)

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Koen Kooi <koen@dominion.thruhere.net>
Cc: Paul Eggleton <paul.eggleton@linux.intel.com>
Cc: Ross Burton <ross.burton@intel.com>
Cc: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2015-05-26 10:57:52 +01:00

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inherit kernel-uboot
python __anonymous () {
kerneltype = d.getVar('KERNEL_IMAGETYPE', True)
if kerneltype == 'uImage':
depends = d.getVar("DEPENDS", True)
depends = "%s u-boot-mkimage-native" % depends
d.setVar("DEPENDS", depends)
# Override KERNEL_IMAGETYPE_FOR_MAKE variable, which is internal
# to kernel.bbclass . We override the variable here, since we need
# to build uImage using the kernel build system if and only if
# KEEPUIMAGE == yes. Otherwise, we pack compressed vmlinux into
# the uImage .
if d.getVar("KEEPUIMAGE", True) != 'yes':
d.setVar("KERNEL_IMAGETYPE_FOR_MAKE", "zImage")
}
do_uboot_mkimage() {
if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
if test "x${KEEPUIMAGE}" != "xyes" ; then
uboot_prep_kimage
ENTRYPOINT=${UBOOT_ENTRYPOINT}
if test -n "${UBOOT_ENTRYSYMBOL}"; then
ENTRYPOINT=`${HOST_PREFIX}nm ${S}/vmlinux | \
awk '$3=="${UBOOT_ENTRYSYMBOL}" {print $1}'`
fi
uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C "${linux_comp}" -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage
rm -f linux.bin
fi
fi
}
addtask uboot_mkimage before do_install after do_compile