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|
SUMMARY = "Linux aarch64 boot wrapper with FDT support"
LICENSE = "BSD"
inherit autotools deploy
PROVIDES = "virtual/gem5-bootloader boot-wrapper-aarch64"
PACKAGE_ARCH = "${MACHINE_ARCH}"
COMPATIBLE_MACHINE ?= ""
# Device tree to put in the image
# by default use the standard kernel devicetree
# This should be overwritten if the devicetree is not generated
# by the kernel.
# This should point to a file in the deploy image directory
BOOT_WRAPPER_AARCH64_DEVICETREE ??= "${KERNEL_DEVICETREE}"
# Kernel image to put in the image
# This should point to a file in the deploy image directory
BOOT_WRAPPER_AARCH64_KERNEL ??= "Image"
# Kernel command line for the image
BOOT_WRAPPER_AARCH64_CMDLINE ??= "rw"
# Image generated by boot wrapper
BOOT_WRAPPER_AARCH64_IMAGE ??= "linux-system.axf"
DEPENDS += "virtual/kernel dtc-native"
EXTRA_OECONF += "--with-kernel-dir=${WORKDIR}/kernel"
EXTRA_OECONF += "--with-dtb=${WORKDIR}/kernel/dummy.dtb"
EXTRA_OECONF += "--with-cmdline=\"\""
EXTRA_OECONF += "--enable-psci --enable-gicv3"
# unset LDFLAGS solves this error when compiling kernel modules:
# aarch64-poky-linux-ld: unrecognized option '-Wl,-O1'
EXTRA_OEMAKE += "'LDFLAGS= --gc-sections '"
# Strip prefix if any
REAL_DTB = "${@os.path.basename(d.getVar('BOOT_WRAPPER_AARCH64_DEVICETREE'))}"
EXTRA_OEMAKE += "'KERNEL_DTB=${DEPLOY_DIR_IMAGE}/${REAL_DTB}'"
EXTRA_OEMAKE += "'KERNEL_IMAGE=${DEPLOY_DIR_IMAGE}/${BOOT_WRAPPER_AARCH64_KERNEL}'"
EXTRA_OEMAKE += "'CMDLINE=${BOOT_WRAPPER_AARCH64_CMDLINE}'"
do_configure_prepend() {
# Create dummy files to make configure happy.
# We will pass the generated ones directly to make.
mkdir -p ${WORKDIR}/kernel/arch/arm64/boot
echo "dummy" > ${WORKDIR}/kernel/arch/arm64/boot/Image
echo "dummy" > ${WORKDIR}/kernel/dummy.dtb
# Generate configure
(cd ${S} && autoreconf -i || exit 1)
}
do_compile[noexec] = "1"
do_install[noexec] = "1"
# We need the kernel to create an image
do_deploy[depends] += "virtual/kernel:do_deploy"
do_deploy() {
if [ ! -f ${DEPLOY_DIR_IMAGE}/${REAL_DTB} ]; then
echo "ERROR: cannot find ${REAL_DTB} in ${DEPLOY_DIR_IMAGE}" >&2
echo "Please check your BOOT_WRAPPER_AARCH64_DEVICETREE settings" >&2
exit 1
fi
if [ ! -f ${DEPLOY_DIR_IMAGE}/${BOOT_WRAPPER_AARCH64_KERNEL} ]; then
echo "ERROR: cannot find ${BOOT_WRAPPER_AARCH64_KERNEL}" \
" in ${DEPLOY_DIR_IMAGE}" >&2
echo "Please check your BOOT_WRAPPER_AARCH64_KERNEL settings" >&2
exit 1
fi
oe_runmake clean
oe_runmake all
install -D -p -m 644 ${BOOT_WRAPPER_AARCH64_IMAGE} \
${DEPLOYDIR}/linux-system.axf
}
addtask deploy before do_build after do_compile
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