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# Base image class extension, inlined into every image.
def build_uboot(d):
fstypes = d.getVar('IMAGE_FSTYPES', True).split()
if any([x.endswith('u-boot') for x in fstypes]):
return 'image_types_uboot'
return ''
# Inherit u-boot classes if legacy uboot images are in use.
IMAGE_TYPE_uboot = '${@build_uboot(d)}'
inherit ${IMAGE_TYPE_uboot}
# Phosphor image types
#
# Phosphor OpenBMC supports a fixed partition mtd layout.
# Image composition
FLASH_KERNEL_IMAGE ?= "fitImage-${INITRAMFS_IMAGE}-${MACHINE}.bin"
IMAGE_BASETYPE ?= "squashfs-xz"
OVERLAY_BASETYPE ?= "jffs2"
IMAGE_TYPES += "mtd-static mtd-static-alltar mtd-static-tar"
IMAGE_TYPEDEP_mtd-static = "${IMAGE_BASETYPE}"
IMAGE_TYPEDEP_mtd-static-tar = "${IMAGE_BASETYPE}"
IMAGE_TYPEDEP_mtd-static-alltar = "mtd-static"
IMAGE_TYPES_MASKED += "mtd-static mtd-static-alltar mtd-static-tar"
# Flash characteristics
FLASH_SIZE ?= "32768"
# Fixed partition offsets
FLASH_UBOOT_OFFSET ?= "0"
FLASH_KERNEL_OFFSET ?= "512"
FLASH_ROFS_OFFSET ?= "4864"
FLASH_RWFS_OFFSET ?= "28672"
# Allow rwfs mkfs configuration through OVERLAY_MKFS_OPTS and OVERRIDES. However,
# avoid setting 'ext4' or 'jffs2' in OVERRIDES as such raw filesystem types are
# reserved for the primary image (and setting them currently breaks the build).
# Instead, prefix the overlay override value with 'rwfs-' to avoid collisions.
DISTROOVERRIDES .= ":static-rwfs-${OVERLAY_BASETYPE}"
JFFS2_RWFS_CMD = "mkfs.jffs2 --root=jffs2 --faketime --output=rwfs.jffs2"
FLASH_STATIC_RWFS_CMD_static-rwfs-jffs2 = "${JFFS2_RWFS_CMD}"
mk_nor_image() {
image_dst="$1"
image_size_kb=$2
dd if=/dev/zero bs=1k count=$image_size_kb \
| tr '\000' '\377' > $image_dst
}
make_rwfs() {
type=$1
cmd=$2
shift
shift
opts="$@"
rm -f rwfs.$type
rm -rf $type
mkdir $type
$cmd $opts
}
do_generate_rwfs_static() {
make_rwfs ${OVERLAY_BASETYPE} "${FLASH_STATIC_RWFS_CMD}" ${OVERLAY_MKFS_OPTS}
}
do_generate_rwfs_static[dirs] = " ${S}/static"
do_generate_rwfs_static[depends] += " \
mtd-utils-native:do_populate_sysroot \
"
do_generate_static() {
# Assemble the flash image
mk_nor_image ${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd ${FLASH_SIZE}
dd bs=1k conv=notrunc seek=${FLASH_UBOOT_OFFSET} \
if=${DEPLOY_DIR_IMAGE}/u-boot.${UBOOT_SUFFIX} \
of=${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd
dd bs=1k conv=notrunc seek=${FLASH_KERNEL_OFFSET} \
if=${DEPLOY_DIR_IMAGE}/${FLASH_KERNEL_IMAGE} \
of=${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd
dd bs=1k conv=notrunc seek=${FLASH_ROFS_OFFSET} \
if=${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.${IMAGE_BASETYPE} \
of=${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd
dd bs=1k conv=notrunc seek=${FLASH_RWFS_OFFSET} \
if=rwfs.${OVERLAY_BASETYPE} \
of=${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd
# File needed for generating non-standard legacy links below
cp rwfs.${OVERLAY_BASETYPE} ${IMGDEPLOYDIR}/rwfs.${OVERLAY_BASETYPE}
cd ${IMGDEPLOYDIR}
ln -sf ${IMAGE_NAME}.static.mtd ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.static.mtd
# Maintain non-standard legacy links
ln -sf ${IMAGE_NAME}.static.mtd ${IMGDEPLOYDIR}/flash-${MACHINE}
ln -sf ${IMAGE_NAME}.static.mtd ${IMGDEPLOYDIR}/image-bmc
ln -sf u-boot.${UBOOT_SUFFIX} ${IMGDEPLOYDIR}/image-u-boot
ln -sf ${FLASH_KERNEL_IMAGE} ${IMGDEPLOYDIR}/image-kernel
ln -sf ${IMAGE_LINK_NAME}.${IMAGE_BASETYPE} ${IMGDEPLOYDIR}/image-rofs
ln -sf rwfs.${OVERLAY_BASETYPE} ${IMGDEPLOYDIR}/image-rwfs
}
do_generate_static[dirs] = "${S}/static"
do_generate_static[depends] += " \
${PN}:do_image_${@d.getVar('IMAGE_BASETYPE', True).replace('-', '_')} \
virtual/kernel:do_deploy \
u-boot:do_populate_sysroot \
"
do_generate_static_alltar() {
ln -sf ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.static.mtd image-bmc
tar -h -cvf ${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd.all.tar image-bmc
cd ${IMGDEPLOYDIR}
ln -sf ${IMAGE_NAME}.static.mtd.all.tar \
${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.static.mtd.all.tar
# Maintain non-standard legacy link.
ln -sf ${IMAGE_NAME}.static.mtd.all.tar \
${IMGDEPLOYDIR}/${MACHINE}-${DATETIME}.all.tar
}
do_generate_static_alltar[vardepsexclude] = "DATETIME"
do_generate_static_alltar[dirs] = "${S}/static"
make_tar_of_images() {
rwfs=$1
rofs=$2
type=$3
shift
shift
shift
extra_files="$@"
# Create some links to help make the tar archive
ln -sf ${DEPLOY_DIR_IMAGE}/u-boot.${UBOOT_SUFFIX} image-u-boot
ln -sf ${DEPLOY_DIR_IMAGE}/${FLASH_KERNEL_IMAGE} image-kernel
ln -sf ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.$rofs image-rofs
ln -sf rwfs.$rwfs image-rwfs
# Create the tar archive
tar -h -cvf ${IMGDEPLOYDIR}/${IMAGE_NAME}.$type.mtd.tar \
image-u-boot image-kernel image-rofs image-rwfs $extra_files
cd ${IMGDEPLOYDIR}
ln -sf ${IMAGE_NAME}.$type.mtd.tar ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.$type.mtd.tar
}
do_generate_static_tar() {
make_tar_of_images ${OVERLAY_BASETYPE} ${IMAGE_BASETYPE} static
# Maintain non-standard legacy link.
cd ${IMGDEPLOYDIR}
ln -sf ${IMAGE_NAME}.static.mtd.tar ${IMGDEPLOYDIR}/${MACHINE}-${DATETIME}.tar
}
do_generate_static_tar[dirs] = " ${S}/static"
do_generate_static_tar[depends] += " \
${PN}:do_image_${@d.getVar('IMAGE_BASETYPE', True).replace('-', '_')} \
virtual/kernel:do_deploy \
u-boot:do_populate_sysroot \
"
do_generate_static_tar[vardepsexclude] = "DATETIME"
python do_generate_phosphor_manifest() {
import configparser
import io
path = d.getVar('STAGING_DIR_HOST', True) + d.getVar('sysconfdir', True)
path = os.path.join(path, 'os-release')
parser = configparser.SafeConfigParser(strict=False)
parser.optionxform = str
version = ''
with open(path, 'r') as fd:
buf = '[root]\n' + fd.read()
fd = io.StringIO(buf)
parser.readfp(fd)
version = parser['root']['VERSION_ID']
with open('MANIFEST', 'w') as fd:
fd.write('purpose=xyz.openbmc_project.Software.Version.VersionPurpose.BMC\n')
fd.write('version={}\n'.format(version.strip('"')))
}
do_generate_phosphor_manifest[dirs] = "${S}"
do_generate_phosphor_manifest[depends] += " \
os-release:do_populate_sysroot \
"
addtask generate_phosphor_manifest after do_rootfs
addtask generate_rwfs_static after do_rootfs
python() {
types = d.getVar('IMAGE_FSTYPES', True).split()
if any([x in types for x in ['mtd-static', 'mtd-static-alltar']]):
bb.build.addtask(
'do_generate_static',
'do_image_complete',
'do_generate_rwfs_static', d)
if 'mtd-static-alltar' in types:
bb.build.addtask(
'do_generate_static_alltar',
'do_image_complete',
'do_generate_static', d)
if 'mtd-static-tar' in types:
bb.build.addtask(
'do_generate_static_tar',
'do_image_complete',
'do_generate_rwfs_static', d)
}
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