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Diffstat (limited to 'meta/classes-recipe/live-vm-common.bbclass')
-rw-r--r-- | meta/classes-recipe/live-vm-common.bbclass | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/meta/classes-recipe/live-vm-common.bbclass b/meta/classes-recipe/live-vm-common.bbclass new file mode 100644 index 0000000000..d90cc67ebc --- /dev/null +++ b/meta/classes-recipe/live-vm-common.bbclass @@ -0,0 +1,100 @@ +# +# Copyright OpenEmbedded Contributors +# +# SPDX-License-Identifier: MIT +# + +# Some of the vars for vm and live image are conflicted, this function +# is used for fixing the problem. +def set_live_vm_vars(d, suffix): + vars = ['GRUB_CFG', 'SYSLINUX_CFG', 'ROOT', 'LABELS', 'INITRD'] + for var in vars: + var_with_suffix = var + '_' + suffix + if d.getVar(var): + bb.warn('Found potential conflicted var %s, please use %s rather than %s' % \ + (var, var_with_suffix, var)) + elif d.getVar(var_with_suffix): + d.setVar(var, d.getVar(var_with_suffix)) + + +EFI = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "1", "0", d)}" +EFI_PROVIDER ?= "grub-efi" +EFI_CLASS = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "${EFI_PROVIDER}", "", d)}" + +MKDOSFS_EXTRAOPTS ??= "-S 512" + +# Include legacy boot if MACHINE_FEATURES includes "pcbios" or if it does not +# contain "efi". This way legacy is supported by default if neither is +# specified, maintaining the original behavior. +def pcbios(d): + pcbios = bb.utils.contains("MACHINE_FEATURES", "pcbios", "1", "0", d) + if pcbios == "0": + pcbios = bb.utils.contains("MACHINE_FEATURES", "efi", "0", "1", d) + return pcbios + +PCBIOS = "${@pcbios(d)}" +PCBIOS_CLASS = "${@['','syslinux'][d.getVar('PCBIOS') == '1']}" + +# efi_populate_common DEST BOOTLOADER +efi_populate_common() { + # 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} + + install -m 0644 ${DEPLOY_DIR_IMAGE}/$2-${EFI_BOOT_IMAGE} ${DEST}${EFIDIR}/${EFI_BOOT_IMAGE} + EFIPATH=$(echo "${EFIDIR}" | sed 's/\//\\/g') + printf 'fs0:%s\%s\n' "$EFIPATH" "${EFI_BOOT_IMAGE}" >${DEST}/startup.nsh +} + +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 $iso_dir/${KERNEL_IMAGETYPE} ${EFIIMGDIR} + + EFIPATH=$(echo "${EFIDIR}" | sed 's/\//\\/g') + printf 'fs0:%s\%s\n' "$EFIPATH" "${EFI_BOOT_IMAGE}" >${EFIIMGDIR}/startup.nsh + + if [ -f "$iso_dir/initrd" ] ; then + cp $iso_dir/initrd ${EFIIMGDIR} + fi +} + +efi_hddimg_populate() { + efi_populate $1 +} + +inherit_defer ${EFI_CLASS} +inherit_defer ${PCBIOS_CLASS} + +populate_kernel() { + dest=$1 + install -d $dest + + # Install bzImage, initrd, and rootfs.img in DEST for all loaders to use. + bbnote "Trying to install ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE} as $dest/${KERNEL_IMAGETYPE}" + if [ -e ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE} ]; then + install -m 0644 ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE} $dest/${KERNEL_IMAGETYPE} + else + bbwarn "${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE} doesn't exist" + fi + + # initrd is made of concatenation of multiple filesystem images + if [ -n "${INITRD}" ]; then + rm -f $dest/initrd + for fs in ${INITRD} + do + if [ -s "$fs" ]; then + cat $fs >> $dest/initrd + else + bbfatal "$fs is invalid. initrd image creation failed." + fi + done + chmod 0644 $dest/initrd + fi +} + |