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DESCRIPTION = "U-Boot - the Universal Boot Loader"
HOMEPAGE = "http://www.denx.de/wiki/U-Boot/WebHome"
SECTION = "bootloaders"
PROVIDES = "virtual/bootloader"
inherit deploy
PARALLEL_MAKE=""
# GCC 4.5.1 builds unusable binaries using -Os, remove it from OPTFLAGS
EXTRA_OEMAKE = "CROSS_COMPILE=${TARGET_PREFIX} OPTFLAGS='-O2'"
python () {
if not d.getVar("UBOOT_MACHINE", True):
PN = d.getVar("PN", True)
FILE = os.path.basename(d.getVar("FILE", True))
bb.debug(1, "To build %s, see %s for instructions on \
setting up your machine config" % (PN, FILE))
raise bb.parse.SkipPackage("because UBOOT_MACHINE is not set")
}
# Some versions of u-boot use .bin and others use .img. By default use .bin
# but enable individual recipes to change this value.
UBOOT_SUFFIX ?= "bin"
UBOOT_IMAGE ?= "u-boot-${MACHINE}-${PV}-${PR}.${UBOOT_SUFFIX}"
UBOOT_BINARY ?= "u-boot.${UBOOT_SUFFIX}"
UBOOT_SYMLINK ?= "u-boot-${MACHINE}.${UBOOT_SUFFIX}"
UBOOT_MAKE_TARGET ?= "all"
# Some versions of u-boot build an SPL (Second Program Loader) image that
# should be packaged along with the u-boot binary as well as placed in the
# deploy directory. For those versions they can set the following variables
# to allow packaging the SPL.
SPL_BINARY ?= ""
SPL_IMAGE ?= "${SPL_BINARY}-${PV}-${PR}"
SPL_SYMLINK ?= "${SPL_BINARY}-${MACHINE}"
do_compile () {
unset LDFLAGS
unset CFLAGS
unset CPPFLAGS
oe_runmake ${UBOOT_MACHINE}
oe_runmake ${UBOOT_MAKE_TARGET}
}
do_install () {
install -d ${D}/boot
install ${S}/${UBOOT_BINARY} ${D}/boot/${UBOOT_IMAGE}
ln -sf ${UBOOT_IMAGE} ${D}/boot/${UBOOT_BINARY}
if [ "x${SPL_BINARY}" != "x" ]
then
install ${S}/${SPL_BINARY} ${D}/boot/${SPL_IMAGE}
ln -sf ${SPL_IMAGE} ${D}/boot/${SPL_BINARY}
fi
}
FILES_${PN} = "/boot"
do_deploy () {
install -d ${DEPLOYDIR}
install ${S}/${UBOOT_BINARY} ${DEPLOYDIR}/${UBOOT_IMAGE}
cd ${DEPLOYDIR}
rm -f ${UBOOT_SYMLINK}
ln -sf ${UBOOT_IMAGE} ${UBOOT_SYMLINK}
if [ "x${SPL_BINARY}" != "x" ]
then
install ${S}/${SPL_BINARY} ${DEPLOYDIR}/${SPL_IMAGE}
rm -f ${DEPLOYDIR}/${SPL_BINARY} ${DEPLOYDIR}/${SPL_SYMLINK}
ln -sf ${SPL_IMAGE} ${DEPLOYDIR}/${SPL_BINARY}
ln -sf ${SPL_IMAGE} ${DEPLOYDIR}/${SPL_SYMLINK}
fi
}
addtask deploy before do_build after do_compile
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