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# grub-efi.bbclass
# Copyright (c) 2011, Intel Corporation.
# All rights reserved.
#
# Released under the MIT license (see packages/COPYING)
# Provide grub-efi specific functions for building bootable images.
# External variables
# ${INITRD} - indicates a filesystem image to use as an initrd (optional)
# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
# ${LABELS} - a list of targets for the automatic config
# ${APPEND} - an override list of append strings for each label
# ${GRUB_OPTS} - additional options to add to the config, ';' delimited # (optional)
# ${GRUB_TIMEOUT} - timeout before executing the deault label (optional)
do_bootimg[depends] += "grub-efi-${TARGET_ARCH}-native:do_deploy"
GRUBCFG = "${S}/grub.cfg"
GRUB_TIMEOUT ?= "10"
#FIXME: build this from the machine config
GRUB_OPTS ?= "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1"
# FIXME: add EFI/BOOT to GRUB_HDDDIR once the mkdosfs subdir bug is resolved
# http://bugzilla.yoctoproject.org/show_bug.cgi?id=1783
EFIDIR = "/EFI/BOOT"
GRUB_HDDDIR = "${HDDDIR}"
GRUB_ISODIR = "${ISODIR}${EFIDIR}"
grubefi_populate() {
DEST=$1
install -d ${DEST}
install -m 0644 ${STAGING_DIR_HOST}/kernel/bzImage ${DEST}/vmlinuz
if [ -n "${INITRD}" ] && [ -s "${INITRD}" ]; then
install -m 0644 ${INITRD} ${DEST}/initrd
fi
if [ -n "${ROOTFS}" ] && [ -s "${ROOTFS}" ]; then
install -m 0644 ${ROOTFS} ${DEST}/rootfs.img
fi
GRUB_IMAGE="bootia32.efi"
if [ "${TARGET_ARCH}" = "x86_64" ]; then
GRUB_IMAGE="bootx64.efi"
fi
install -m 0644 ${DEPLOY_DIR_IMAGE}/${GRUB_IMAGE} ${DEST}
install -m 0644 ${GRUBCFG} ${DEST}
}
grubefi_iso_populate() {
grubefi_populate ${GRUB_ISODIR}
# FIXUP the <EFIDIR> token in the config
# FIXME: This can be dropped once mkdosfs is fixed
sed -i "s@<EFIDIR>@${EFIDIR}@g" ${GRUB_ISODIR}/$(basename "${GRUBCFG}")
}
grubefi_hddimg_populate() {
grubefi_populate ${GRUB_HDDDIR}
# FIXUP the <EFIDIR> token in the config
# FIXME: This can be dropped once mkdosfs is fixed
sed -i "s@<EFIDIR>@@g" ${GRUB_HDDDIR}/$(basename "${GRUBCFG}")
}
# FIXME: The <EFIDIR> token can be replaced with ${EFIDIR} once the
# mkdosfs bug is resolved.
python build_grub_cfg() {
import sys
workdir = d.getVar('WORKDIR', True)
if not workdir:
bb.error("WORKDIR not defined, unable to package")
return
labels = d.getVar('LABELS', True)
if not labels:
bb.debug(1, "LABELS not defined, nothing to do")
return
if labels == []:
bb.debug(1, "No labels, nothing to do")
return
cfile = d.getVar('GRUBCFG', True)
if not cfile:
raise bb.build.FuncFailed('Unable to read GRUBCFG')
try:
cfgfile = file(cfile, 'w')
except OSError:
raise bb.build.funcFailed('Unable to open %s' % (cfile))
cfgfile.write('# Automatically created by OE\n')
opts = d.getVar('GRUB_OPTS', True)
if opts:
for opt in opts.split(';'):
cfgfile.write('%s\n' % opt)
cfgfile.write('default=%s\n' % (labels.split()[0]))
timeout = d.getVar('GRUB_TIMEOUT', True)
if timeout:
cfgfile.write('timeout=%s\n' % timeout)
else:
cfgfile.write('timeout=50\n')
for label in labels.split():
localdata = d.createCopy()
overrides = localdata.getVar('OVERRIDES', True)
if not overrides:
raise bb.build.FuncFailed('OVERRIDES not defined')
localdata.setVar('OVERRIDES', label + ':' + overrides)
bb.data.update_data(localdata)
cfgfile.write('\nmenuentry \'%s\'{\n' % (label))
cfgfile.write('linux <EFIDIR>/vmlinuz LABEL=%s' % (label))
append = localdata.getVar('APPEND', True)
initrd = localdata.getVar('INITRD', True)
if append:
cfgfile.write('%s' % (append))
cfgfile.write('\n')
if initrd:
cfgfile.write('initrd <EFIDIR>/initrd')
cfgfile.write('\n}\n')
cfgfile.close()
}
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