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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 list of filesystem images to concatenate and use as an initrd (optional)
# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
# ${GRUB_GFXSERIAL} - set this to 1 to have graphics and serial in the boot menu
# ${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)
# ${GRUB_ROOT} - grub's root device.
do_bootimg[depends] += "${MLPREFIX}grub-efi:do_deploy"
do_bootdirectdisk[depends] += "${MLPREFIX}grub-efi:do_deploy"
GRUB_SERIAL ?= "console=ttyS0,115200"
GRUB_CFG_VM = "${S}/grub_vm.cfg"
GRUB_CFG_LIVE = "${S}/grub_live.cfg"
GRUB_TIMEOUT ?= "10"
#FIXME: build this from the machine config
GRUB_OPTS ?= "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1"
EFIDIR = "/EFI/BOOT"
GRUB_ROOT ?= "${ROOT}"
APPEND ?= ""
# Need UUID utility code.
inherit fs-uuid
efi_populate() {
# DEST must be the root of the image so that EFIDIR is not
# nested under a top level directory.
DEST=$1
install -d ${DEST}${EFIDIR}
GRUB_IMAGE="bootia32.efi"
if [ "${TARGET_ARCH}" = "x86_64" ]; then
GRUB_IMAGE="bootx64.efi"
fi
install -m 0644 ${DEPLOY_DIR_IMAGE}/${GRUB_IMAGE} ${DEST}${EFIDIR}
EFIPATH=$(echo "${EFIDIR}" | sed 's/\//\\/g')
printf 'fs0:%s\%s\n' "$EFIPATH" "$GRUB_IMAGE" >${DEST}/startup.nsh
install -m 0644 ${GRUB_CFG} ${DEST}${EFIDIR}/grub.cfg
}
efi_iso_populate() {
iso_dir=$1
efi_populate $iso_dir
# Build a EFI directory to create efi.img
mkdir -p ${EFIIMGDIR}/${EFIDIR}
cp $iso_dir/${EFIDIR}/* ${EFIIMGDIR}${EFIDIR}
cp $iso_dir/vmlinuz ${EFIIMGDIR}
EFIPATH=$(echo "${EFIDIR}" | sed 's/\//\\/g')
printf 'fs0:%s\%s\n' "$EFIPATH" "$GRUB_IMAGE" > ${EFIIMGDIR}/startup.nsh
if [ -f "$iso_dir/initrd" ] ; then
cp $iso_dir/initrd ${EFIIMGDIR}
fi
}
efi_hddimg_populate() {
efi_populate $1
}
python build_efi_cfg() {
import sys
workdir = d.getVar('WORKDIR')
if not workdir:
bb.error("WORKDIR not defined, unable to package")
return
gfxserial = d.getVar('GRUB_GFXSERIAL') or ""
labels = d.getVar('LABELS')
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('GRUB_CFG')
if not cfile:
bb.fatal('Unable to read GRUB_CFG')
try:
cfgfile = open(cfile, 'w')
except OSError:
bb.fatal('Unable to open %s' % cfile)
cfgfile.write('# Automatically created by OE\n')
opts = d.getVar('GRUB_OPTS')
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')
if timeout:
cfgfile.write('timeout=%s\n' % timeout)
else:
cfgfile.write('timeout=50\n')
root = d.getVar('GRUB_ROOT')
if not root:
bb.fatal('GRUB_ROOT not defined')
if gfxserial == "1":
btypes = [ [ " graphics console", "" ],
[ " serial console", d.getVar('GRUB_SERIAL') or "" ] ]
else:
btypes = [ [ "", "" ] ]
for label in labels.split():
localdata = d.createCopy()
overrides = localdata.getVar('OVERRIDES')
if not overrides:
bb.fatal('OVERRIDES not defined')
for btype in btypes:
localdata.setVar('OVERRIDES', label + ':' + overrides)
bb.data.update_data(localdata)
cfgfile.write('\nmenuentry \'%s%s\'{\n' % (label, btype[0]))
lb = label
if label == "install":
lb = "install-efi"
cfgfile.write('linux /vmlinuz LABEL=%s' % (lb))
cfgfile.write(' %s' % replace_rootfs_uuid(d, root))
append = localdata.getVar('APPEND')
initrd = localdata.getVar('INITRD')
if append:
append = replace_rootfs_uuid(d, append)
cfgfile.write(' %s' % (append))
cfgfile.write(' %s' % btype[1])
cfgfile.write('\n')
if initrd:
cfgfile.write('initrd /initrd')
cfgfile.write('\n}\n')
cfgfile.close()
}
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