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Diffstat (limited to 'meta/classes/grub-efi.bbclass')
| -rw-r--r-- | meta/classes/grub-efi.bbclass | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/meta/classes/grub-efi.bbclass b/meta/classes/grub-efi.bbclass new file mode 100644 index 0000000000..df7fe18a79 --- /dev/null +++ b/meta/classes/grub-efi.bbclass @@ -0,0 +1,160 @@ +# 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="grub-efi-bootia32.efi" + DEST_IMAGE="bootia32.efi" + if [ "${TARGET_ARCH}" = "x86_64" ]; then + GRUB_IMAGE="grub-efi-bootx64.efi" + DEST_IMAGE="bootx64.efi" + fi + install -m 0644 ${DEPLOY_DIR_IMAGE}/${GRUB_IMAGE} ${DEST}${EFIDIR}/${DEST_IMAGE} + EFIPATH=$(echo "${EFIDIR}" | sed 's/\//\\/g') + printf 'fs0:%s\%s\n' "$EFIPATH" "$DEST_IMAGE" >${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) + + 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() +} |