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inherit kernel-arch kernel-artifact-names uboot-config deploy
require conf/image-fitimage.conf
S = "${UNPACKDIR}"
PACKAGE_ARCH = "${MACHINE_ARCH}"
# This bbclass requires KERNEL_CLASSES += "kernel-fit-extra-artifacts"
EXCLUDE_FROM_WORLD = "1"
DEPENDS += "\
u-boot-tools-native dtc-native \
${@'kernel-signing-keys-native' if d.getVar('FIT_GENERATE_KEYS') == '1' else ''} \
"
python () {
image = d.getVar('INITRAMFS_IMAGE')
if image and d.getVar('INITRAMFS_IMAGE_BUNDLE') != '1':
if d.getVar('INITRAMFS_MULTICONFIG'):
mc = d.getVar('BB_CURRENT_MC')
d.appendVarFlag('do_compile', 'mcdepends', ' mc:' + mc + ':${INITRAMFS_MULTICONFIG}:${INITRAMFS_IMAGE}:do_image_complete')
else:
d.appendVarFlag('do_compile', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete')
#check if there are any dtb providers
providerdtb = d.getVar("PREFERRED_PROVIDER_virtual/dtb")
if providerdtb:
d.appendVarFlag('do_compile', 'depends', ' virtual/dtb:do_populate_sysroot')
d.setVar('EXTERNAL_KERNEL_DEVICETREE', "${RECIPE_SYSROOT}/boot/devicetree")
# Parse loadables config
loadables = d.getVar('FIT_LOADABLES')
if loadables:
# Check that the loadables configuration variables are not set directly
# directly, then assign them a synthetic value for testability purposes
for v in ['FIT_LOADABLE_ARCH', 'FIT_LOADABLE_COMPRESSION',
'FIT_LOADABLE_DESCRIPTION', 'FIT_LOADABLE_ENTRYPOINT',
'FIT_LOADABLE_FILENAME', 'FIT_LOADABLE_LOADADDRESS',
'FIT_LOADABLE_OS', 'FIT_LOADABLE_TYPE']:
if d.getVar(v):
raise bb.parse.SkipRecipe("You cannot use %s as a variable, you can only set flags." % v)
synt_value = " ? ".join([ d.getVarFlag(v, loadable) or "" for loadable in loadables.split() ])
d.setVar(v, synt_value)
}
do_configure[noexec] = "1"
INITRAMFS_DEPLOY_DIR_IMAGE ?= "${DEPLOY_DIR_IMAGE}"
UBOOT_MKIMAGE_KERNEL_TYPE ?= "kernel"
KERNEL_IMAGEDEST ?= "/boot"
FIT_KERNEL_SIGN_ENABLE ?= "${UBOOT_SIGN_ENABLE}"
FIT_KERNEL_SIGN_KEYNAME ?= "${UBOOT_SIGN_KEYNAME}"
FIT_KERNEL_SIGN_KEYDIR ?= "${UBOOT_SIGN_KEYDIR}"
def apply_dtbvendored(d,dtb):
if d.getVar('KERNEL_DTBVENDORED') != "1":
mapped_name = os.path.basename(dtb)
else:
mapped_name = dtb.replace('/', '_')
return mapped_name
python do_compile() {
import shutil
import oe.fitimage
itsfile = "fit-image.its"
fitname = "fitImage"
kernel_deploydir = d.getVar('DEPLOY_DIR_IMAGE')
kernel_deploysubdir = d.getVar('KERNEL_DEPLOYSUBDIR')
if kernel_deploysubdir:
kernel_deploydir = os.path.join(kernel_deploydir, kernel_deploysubdir)
# Collect all the its nodes before the its file is generated and mkimage gets executed
root_node = oe.fitimage.ItsNodeRootKernel(
d.getVar("FIT_DESC"), d.getVar("FIT_ADDRESS_CELLS"),
d.getVar('HOST_PREFIX'), d.getVar('UBOOT_ARCH'), d.getVar("FIT_CONF_PREFIX"),
oe.types.boolean(d.getVar('FIT_KERNEL_SIGN_ENABLE')), d.getVar("FIT_KERNEL_SIGN_KEYDIR"),
d.getVar("UBOOT_MKIMAGE"), d.getVar("UBOOT_MKIMAGE_DTCOPTS"),
d.getVar('FIT_MKIMAGE_EXTRA_OPTS'),
d.getVar("UBOOT_MKIMAGE_SIGN"), d.getVar("UBOOT_MKIMAGE_SIGN_ARGS"),
d.getVar('FIT_HASH_ALG'), d.getVar('FIT_SIGN_ALG'), d.getVar('FIT_PAD_ALG'),
d.getVar('FIT_KERNEL_SIGN_KEYNAME'),
oe.types.boolean(d.getVar('FIT_SIGN_INDIVIDUAL')), d.getVar('UBOOT_SIGN_IMG_KEYNAME')
)
# Prepare a kernel image section.
shutil.copyfile(os.path.join(kernel_deploydir, "linux.bin"), "linux.bin")
with open(os.path.join(kernel_deploydir, "linux_comp")) as linux_comp_f:
linux_comp = linux_comp_f.read()
root_node.fitimage_emit_section_kernel("kernel-1", "linux.bin", linux_comp,
d.getVar('UBOOT_LOADADDRESS'), d.getVar('UBOOT_ENTRYPOINT'),
d.getVar('UBOOT_MKIMAGE_KERNEL_TYPE'), d.getVar("UBOOT_ENTRYSYMBOL"))
# Prepare a DTB image section
kernel_devicetree = d.getVar('KERNEL_DEVICETREE')
external_kernel_devicetree = d.getVar("EXTERNAL_KERNEL_DEVICETREE")
if kernel_devicetree:
for dtb in kernel_devicetree.split():
# In deploy_dir the DTBs are without sub-directories also with KERNEL_DTBVENDORED = "1"
dtb_name = os.path.basename(dtb)
# With vendored DTs, use the DT name as listed in KERNEL_DEVICETREE
# and replace any path separators with underscores, this behaves the
# same way as KERNEL_DTBVENDORED = "1" did in OE 5.0 and older.
conf_name = apply_dtbvendored(d, dtb)
# Skip DTB if it's also provided in EXTERNAL_KERNEL_DEVICETREE directory
if external_kernel_devicetree:
ext_dtb_path = os.path.join(external_kernel_devicetree, dtb_name)
if os.path.exists(ext_dtb_path) and os.path.getsize(ext_dtb_path) > 0:
continue
# Copy the dtb or dtbo file into the FIT image assembly directory
shutil.copyfile(os.path.join(kernel_deploydir, dtb_name), dtb_name)
root_node.fitimage_emit_section_dtb(conf_name, dtb_name,
d.getVar("UBOOT_DTB_LOADADDRESS"), d.getVar("UBOOT_DTBO_LOADADDRESS"))
if external_kernel_devicetree:
# iterate over all .dtb and .dtbo files in the external kernel devicetree directory
# and copy them to the FIT image assembly directory
for dtb_name in sorted(os.listdir(external_kernel_devicetree)):
if dtb_name.endswith('.dtb') or dtb_name.endswith('.dtbo'):
dtb_path = os.path.join(external_kernel_devicetree, dtb_name)
# For symlinks, add a configuration node that refers to the DTB image node to which the symlink points
symlink_target = oe.fitimage.symlink_points_below(dtb_name, external_kernel_devicetree)
if symlink_target:
root_node.fitimage_emit_section_dtb_alias(dtb_name, symlink_target, True)
# For real DTB files add an image node and a configuration node
else:
shutil.copyfile(dtb_path, dtb_name)
root_node.fitimage_emit_section_dtb(dtb_name, dtb_name,
d.getVar("UBOOT_DTB_LOADADDRESS"), d.getVar("UBOOT_DTBO_LOADADDRESS"), True)
# Prepare a u-boot script section
fit_uboot_env = d.getVar("FIT_UBOOT_ENV")
if fit_uboot_env:
root_node.fitimage_emit_section_boot_script("bootscr-"+fit_uboot_env , fit_uboot_env)
# Prepare a setup section (For x86)
setup_bin_path = os.path.join(kernel_deploydir, "setup.bin")
if os.path.exists(setup_bin_path):
shutil.copyfile(setup_bin_path, "setup.bin")
root_node.fitimage_emit_section_setup("setup-1", "setup.bin")
# Prepare a ramdisk section.
initramfs_image = d.getVar('INITRAMFS_IMAGE')
if initramfs_image and d.getVar("INITRAMFS_IMAGE_BUNDLE") != '1':
# Find and use the first initramfs image archive type we find
found = False
for img in d.getVar("FIT_SUPPORTED_INITRAMFS_FSTYPES").split():
initramfs_path = os.path.join(d.getVar("INITRAMFS_DEPLOY_DIR_IMAGE"), "%s.%s" % (d.getVar('INITRAMFS_IMAGE_NAME'), img))
if os.path.exists(initramfs_path):
bb.note("Found initramfs image: " + initramfs_path)
found = True
root_node.fitimage_emit_section_ramdisk("ramdisk-1", initramfs_path,
initramfs_image,
d.getVar("UBOOT_RD_LOADADDRESS"),
d.getVar("UBOOT_RD_ENTRYPOINT"))
break
else:
bb.note("Did not find initramfs image: " + initramfs_path)
if not found:
bb.fatal("Could not find a valid initramfs type for %s, the supported types are: %s" % (d.getVar('INITRAMFS_IMAGE_NAME'), d.getVar('FIT_SUPPORTED_INITRAMFS_FSTYPES')))
#
# Prepare loadables sections
#
for loadable in d.getVar('FIT_LOADABLES').split():
loadable_file = d.getVarFlag('FIT_LOADABLE_FILENAME', loadable)
if not loadable_file:
bb.fatal("File for loadable %s not specified through FIT_LOADABLE_FILENAME[%s]" % (loadable, loadable))
loadable_loadaddress = d.getVarFlag('FIT_LOADABLE_LOADADDRESS', loadable)
if not loadable_loadaddress:
bb.fatal("Load address for loadable %s not specified through FIT_LOADABLE_LOADADDRESS[%s]" % (loadable, loadable))
# Optional parameters
loadable_arch = d.getVarFlag('FIT_LOADABLE_ARCH', loadable)
loadable_compression = d.getVarFlag('FIT_LOADABLE_COMPRESSION', loadable)
loadable_description = d.getVarFlag('FIT_LOADABLE_DESCRIPTION', loadable) or ("%s loadable" % loadable)
loadable_entrypoint = d.getVarFlag('FIT_LOADABLE_ENTRYPOINT', loadable)
loadable_os = d.getVarFlag('FIT_LOADABLE_OS', loadable)
loadable_type = d.getVarFlag('FIT_LOADABLE_TYPE', loadable)
# Check if loadable artifact exists
loadable_path = os.path.join(d.getVar("DEPLOY_DIR_IMAGE"), loadable_file)
if not os.path.exists(loadable_path):
bb.fatal("File for loadable %s not found at %s" % (loadable, loadable_path))
root_node.fitimage_emit_section_loadable(loadable,
loadable_path, loadable_type,
loadable_description,
loadable_compression,
loadable_arch, loadable_os,
loadable_loadaddress,
loadable_entrypoint)
# Figure out if we have a default dtb and if we need to honor the
# KERNEL_DTBVENDORED variable to tweak the name to match what will be
# in the fitImage.
default_dtb = d.getVar("FIT_CONF_DEFAULT_DTB")
if default_dtb:
default_dtb = apply_dtbvendored(d, default_dtb)
# Generate the configuration section
root_node.fitimage_emit_section_config(default_dtb, d.getVar("FIT_CONF_MAPPINGS"))
# Write the its file
root_node.write_its_file(itsfile)
# Assemble the FIT image
root_node.run_mkimage_assemble(itsfile, fitname)
# Sign the FIT image if required
root_node.run_mkimage_sign(fitname)
}
do_compile[depends] += "virtual/kernel:do_deploy"
do_install() {
install -d "${D}/${KERNEL_IMAGEDEST}"
install -m 0644 "${B}/fitImage" "${D}/${KERNEL_IMAGEDEST}/fitImage"
}
FILES:${PN} = "${KERNEL_IMAGEDEST}"
do_deploy() {
deploy_dir="${DEPLOYDIR}"
if [ -n "${KERNEL_DEPLOYSUBDIR}" ]; then
deploy_dir="${DEPLOYDIR}/${KERNEL_DEPLOYSUBDIR}"
fi
install -d "$deploy_dir"
install -m 0644 "${B}/fitImage" "$deploy_dir/fitImage"
install -m 0644 "${B}/fit-image.its" "$deploy_dir/fit-image.its"
if [ "${INITRAMFS_IMAGE_BUNDLE}" != "1" ]; then
ln -snf fit-image.its "$deploy_dir/fitImage-its-${KERNEL_FIT_NAME}.its"
if [ -n "${KERNEL_FIT_LINK_NAME}" ] ; then
ln -snf fit-image.its "$deploy_dir/fitImage-its-${KERNEL_FIT_LINK_NAME}"
fi
fi
if [ -n "${INITRAMFS_IMAGE}" ]; then
ln -snf fit-image.its "$deploy_dir/fitImage-its-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}.its"
if [ -n "${KERNEL_FIT_LINK_NAME}" ]; then
ln -snf fit-image.its "$deploy_dir/fitImage-its-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_LINK_NAME}"
fi
if [ "${INITRAMFS_IMAGE_BUNDLE}" != "1" ]; then
ln -snf fitImage "$deploy_dir/fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}${KERNEL_FIT_BIN_EXT}"
if [ -n "${KERNEL_FIT_LINK_NAME}" ] ; then
ln -snf fitImage "$deploy_dir/fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_LINK_NAME}"
fi
fi
fi
}
addtask deploy after do_compile before do_build
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