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authorKlaus Heinrich Kiwi <klaus@linux.vnet.ibm.com>2021-03-26 17:14:08 -0300
committerRichard Purdie <richard.purdie@linuxfoundation.org>2021-04-06 11:35:53 +0100
commit5af4dfe83c2f6509015916262be32fc09bc9714d (patch)
tree7532b8c7daa901ff3eb13cc3ea1f5ef179b95d65
parentcc6c3e31526d3b6ef3a87ba5e548fcad7483bd51 (diff)
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u-boot: Add infrastructure to SPL verified boot
Add the necessary infrastructure to create a U-boot proper fitimage, sign it (using the same keys as the kernel-fitimage), and put the public key in the SPL binary so that verified SPL boot can be accomplished. Signed-off-by: Klaus Heinrich Kiwi <klaus@linux.vnet.ibm.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--meta/classes/kernel-fitimage.bbclass24
-rw-r--r--meta/classes/uboot-sign.bbclass351
2 files changed, 340 insertions, 35 deletions
diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass
index 6b7c1c3a7d..5cfd8af99d 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -55,7 +55,7 @@ python __anonymous () {
# Description string
-FIT_DESC ?= "U-Boot fitImage for ${DISTRO_NAME}/${PV}/${MACHINE}"
+FIT_DESC ?= "Kernel fitImage for ${DISTRO_NAME}/${PV}/${MACHINE}"
# Sign individual images as well
FIT_SIGN_INDIVIDUAL ?= "0"
@@ -695,12 +695,22 @@ kernel_do_deploy_append() {
ln -snf fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}.bin "$deployDir/fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_LINK_NAME}"
fi
fi
- if [ "${UBOOT_SIGN_ENABLE}" = "1" -a -n "${UBOOT_DTB_BINARY}" ] ; then
- # UBOOT_DTB_IMAGE is a realfile, but we can't use
- # ${UBOOT_DTB_IMAGE} since it contains ${PV} which is aimed
- # for u-boot, but we are in kernel env now.
- install -m 0644 ${B}/u-boot-${MACHINE}*.dtb "$deployDir/"
- fi
+ fi
+ if [ "${UBOOT_SIGN_ENABLE}" = "1" -o "${UBOOT_FITIMAGE_ENABLE}" = "1" ] && \
+ [ -n "${UBOOT_DTB_BINARY}" ] ; then
+ # UBOOT_DTB_IMAGE is a realfile, but we can't use
+ # ${UBOOT_DTB_IMAGE} since it contains ${PV} which is aimed
+ # for u-boot, but we are in kernel env now.
+ install -m 0644 ${B}/u-boot-${MACHINE}*.dtb "$deployDir/"
+ fi
+ if [ "${UBOOT_FITIMAGE_ENABLE}" = "1" -a -n "${UBOOT_BINARY}" -a -n "${SPL_DTB_BINARY}" ] ; then
+ # If we're also creating and/or signing the uboot fit, now we need to
+ # deploy it, it's its file, as well as u-boot-spl.dtb
+ install -m 0644 ${B}/u-boot-spl-${MACHINE}*.dtb "$deployDir/"
+ echo "Copying u-boot-fitImage file..."
+ install -m 0644 ${B}/u-boot-fitImage-* "$deployDir/"
+ echo "Copying u-boot-its file..."
+ install -m 0644 ${B}/u-boot-its-* "$deployDir/"
fi
}
diff --git a/meta/classes/uboot-sign.bbclass b/meta/classes/uboot-sign.bbclass
index 4e4941e733..ec50c3208b 100644
--- a/meta/classes/uboot-sign.bbclass
+++ b/meta/classes/uboot-sign.bbclass
@@ -34,26 +34,36 @@
# We need some variables from u-boot-config
inherit uboot-config
-# Signature activation.
+# Enable use of a U-Boot fitImage
+UBOOT_FITIMAGE_ENABLE ?= "0"
+
+# Signature activation - these require their respective fitImages
UBOOT_SIGN_ENABLE ?= "0"
+SPL_SIGN_ENABLE ?= "0"
# Default value for deployment filenames.
UBOOT_DTB_IMAGE ?= "u-boot-${MACHINE}-${PV}-${PR}.dtb"
UBOOT_DTB_BINARY ?= "u-boot.dtb"
UBOOT_DTB_SYMLINK ?= "u-boot-${MACHINE}.dtb"
-UBOOT_NODTB_IMAGE ?= "u-boot-nodtb-${MACHINE}-${PV}-${PR}.${UBOOT_SUFFIX}"
-UBOOT_NODTB_BINARY ?= "u-boot-nodtb.${UBOOT_SUFFIX}"
-UBOOT_NODTB_SYMLINK ?= "u-boot-nodtb-${MACHINE}.${UBOOT_SUFFIX}"
-UBOOT_ITS_IMAGE ?= "u-boot-${MACHINE}-${PV}-${PR}.its"
+UBOOT_NODTB_IMAGE ?= "u-boot-nodtb-${MACHINE}-${PV}-${PR}.bin"
+UBOOT_NODTB_BINARY ?= "u-boot-nodtb.bin"
+UBOOT_NODTB_SYMLINK ?= "u-boot-nodtb-${MACHINE}.bin"
+UBOOT_ITS_IMAGE ?= "u-boot-its-${MACHINE}-${PV}-${PR}"
UBOOT_ITS ?= "u-boot.its"
-UBOOT_ITS_SYMLINK ?= "u-boot-${MACHINE}.its"
-SPL_DIR ?= "${@os.path.dirname(d.getVar("SPL_BINARY")) or '.'}"
+UBOOT_ITS_SYMLINK ?= "u-boot-its-${MACHINE}"
+UBOOT_FITIMAGE_IMAGE ?= "u-boot-fitImage-${MACHINE}-${PV}-${PR}"
+UBOOT_FITIMAGE_BINARY ?= "u-boot-fitImage"
+UBOOT_FITIMAGE_SYMLINK ?= "u-boot-fitImage-${MACHINE}"
+SPL_DIR ?= "spl"
SPL_DTB_IMAGE ?= "u-boot-spl-${MACHINE}-${PV}-${PR}.dtb"
SPL_DTB_BINARY ?= "u-boot-spl.dtb"
SPL_DTB_SYMLINK ?= "u-boot-spl-${MACHINE}.dtb"
-SPL_NODTB_IMAGE ?= "${@os.path.splitext(d.getVar("SPL_BINARYNAME"))[0]}-nodtb-${MACHINE}-${PV}-${PR}${@os.path.splitext(d.getVar("SPL_BINARYNAME"))[1]}"
-SPL_NODTB_BINARY ?= "${@os.path.splitext(d.getVar("SPL_BINARYNAME"))[0]}-nodtb${@os.path.splitext(d.getVar("SPL_BINARYNAME"))[1]}"
-SPL_NODTB_SYMLINK ?= "${@os.path.splitext(d.getVar("SPL_BINARYNAME"))[0]}-nodtb-${MACHINE}${@os.path.splitext(d.getVar("SPL_BINARYNAME"))[1]}"
+SPL_NODTB_IMAGE ?= "u-boot-spl-nodtb-${MACHINE}-${PV}-${PR}.bin"
+SPL_NODTB_BINARY ?= "u-boot-spl-nodtb.bin"
+SPL_NODTB_SYMLINK ?= "u-boot-spl-nodtb-${MACHINE}.bin"
+
+# U-Boot fitImage description
+UBOOT_FIT_DESC ?= "U-Boot fitImage for ${DISTRO_NAME}/${PV}/${MACHINE}"
# fitImage Hash Algo
FIT_HASH_ALG ?= "sha256"
@@ -77,8 +87,18 @@ FIT_KEY_REQ_ARGS ?= "-batch -new"
# Standard format for public key certificate
FIT_KEY_SIGN_PKCS ?= "-x509"
-# Functions in this bbclass is for u-boot only
+# Functions on this bbclass can apply to either U-boot or Kernel,
+# depending on the scenario
UBOOT_PN = "${@d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot'}"
+KERNEL_PN = "${@d.getVar('PREFERRED_PROVIDER_virtual/kernel')}"
+
+# We need u-boot-tools-native if we're creating a U-Boot fitImage
+python() {
+ if d.getVar('UBOOT_FITIMAGE_ENABLE') == '1':
+ depends = d.getVar("DEPENDS")
+ depends = "%s u-boot-tools-native dtc-native" % depends
+ d.setVar("DEPENDS", depends)
+}
concat_dtb_helper() {
if [ -e "${UBOOT_DTB_BINARY}" ]; then
@@ -92,21 +112,51 @@ concat_dtb_helper() {
ln -sf ${UBOOT_NODTB_IMAGE} ${DEPLOYDIR}/${UBOOT_NODTB_BINARY}
fi
- # Concatenate U-Boot w/o DTB & DTB with public key
- # (cf. kernel-fitimage.bbclass for more details)
- deployed_uboot_dtb_binary='${DEPLOY_DIR_IMAGE}/${UBOOT_DTB_IMAGE}'
- if [ "x${UBOOT_SUFFIX}" = "ximg" -o "x${UBOOT_SUFFIX}" = "xrom" ] && \
- [ -e "$deployed_uboot_dtb_binary" ]; then
- oe_runmake EXT_DTB=$deployed_uboot_dtb_binary
- install ${UBOOT_BINARY} ${DEPLOYDIR}/${UBOOT_IMAGE}
- elif [ -e "${DEPLOYDIR}/${UBOOT_NODTB_IMAGE}" -a -e "$deployed_uboot_dtb_binary" ]; then
+ # If we're not using a signed u-boot fit, concatenate SPL w/o DTB & U-Boot DTB
+ # with public key (otherwise it will be deployed by the equivalent
+ # concat_spl_dtb_helper function - cf. kernel-fitimage.bbclass for more details)
+ if [ "${SPL_SIGN_ENABLE}" != "1" ] ; then
+ deployed_uboot_dtb_binary='${DEPLOY_DIR_IMAGE}/${UBOOT_DTB_IMAGE}'
+ if [ "x${UBOOT_SUFFIX}" = "ximg" -o "x${UBOOT_SUFFIX}" = "xrom" ] && \
+ [ -e "$deployed_uboot_dtb_binary" ]; then
+ oe_runmake EXT_DTB=$deployed_uboot_dtb_binary
+ install ${UBOOT_BINARY} ${DEPLOYDIR}/${UBOOT_IMAGE}
+ elif [ -e "${DEPLOYDIR}/${UBOOT_NODTB_IMAGE}" -a -e "$deployed_uboot_dtb_binary" ]; then
+ cd ${DEPLOYDIR}
+ cat ${UBOOT_NODTB_IMAGE} $deployed_uboot_dtb_binary | tee ${B}/${CONFIG_B_PATH}/${UBOOT_BINARY} > ${UBOOT_IMAGE}
+ else
+ bbwarn "Failure while adding public key to u-boot binary. Verified boot won't be available."
+ fi
+ fi
+}
+
+concat_spl_dtb_helper() {
+
+ # We only deploy symlinks to the u-boot-spl.dtb,as the KERNEL_PN will
+ # be responsible for deploying the real file
+ if [ -e "${SPL_DIR}/${SPL_DTB_BINARY}" ] ; then
+ deployed_spl_dtb_binary='${DEPLOY_DIR_IMAGE}/${SPL_DTB_IMAGE}'
+ ln -sf ${SPL_DTB_IMAGE} ${DEPLOYDIR}/${SPL_DTB_SYMLINK}
+ ln -sf ${SPL_DTB_IMAGE} ${DEPLOYDIR}/${SPL_DTB_BINARY}
+ fi
+
+ if [ -f "${SPL_DIR}/${SPL_NODTB_BINARY}" ] ; then
+ echo "Copying u-boot-nodtb binary..."
+ install -m 0644 ${SPL_DIR}/${SPL_NODTB_BINARY} ${DEPLOYDIR}/${SPL_NODTB_IMAGE}
+ ln -sf ${SPL_NODTB_IMAGE} ${DEPLOYDIR}/${SPL_NODTB_SYMLINK}
+ ln -sf ${SPL_NODTB_IMAGE} ${DEPLOYDIR}/${SPL_NODTB_BINARY}
+ fi
+
+ # Concatenate the SPL nodtb binary and u-boot.dtb
+ if [ -e "${DEPLOYDIR}/${SPL_NODTB_IMAGE}" -a -e "$deployed_spl_dtb_binary" ] ; then
cd ${DEPLOYDIR}
- cat ${UBOOT_NODTB_IMAGE} $deployed_uboot_dtb_binary | tee ${B}/${CONFIG_B_PATH}/${UBOOT_BINARY} > ${UBOOT_IMAGE}
+ cat ${SPL_NODTB_IMAGE} $deployed_spl_dtb_binary | tee ${B}/${CONFIG_B_PATH}/${SPL_BINARY} > ${SPL_IMAGE}
else
- bbwarn "Failure while adding public key to u-boot binary. Verified boot won't be available."
+ bbwarn "Failure while adding public key to spl binary. Verified U-Boot boot won't be available."
fi
}
+
concat_dtb() {
if [ "${UBOOT_SIGN_ENABLE}" = "1" -a "${PN}" = "${UBOOT_PN}" -a -n "${UBOOT_DTB_BINARY}" ]; then
mkdir -p ${DEPLOYDIR}
@@ -124,6 +174,24 @@ concat_dtb() {
fi
}
+concat_spl_dtb() {
+ if [ "${SPL_SIGN_ENABLE}" = "1" -a "${PN}" = "${UBOOT_PN}" -a -n "${SPL_DTB_BINARY}" ]; then
+ mkdir -p ${DEPLOYDIR}
+ if [ -n "${UBOOT_CONFIG}" ]; then
+ for config in ${UBOOT_MACHINE}; do
+ CONFIG_B_PATH="${config}"
+ cd ${B}/${config}
+ concat_spl_dtb_helper
+ done
+ else
+ CONFIG_B_PATH=""
+ cd ${B}
+ concat_spl_dtb_helper
+ fi
+ fi
+}
+
+
# Install UBOOT_DTB_BINARY to datadir, so that kernel can use it for
# signing, and kernel will deploy UBOOT_DTB_BINARY after signs it.
install_helper() {
@@ -138,24 +206,233 @@ install_helper() {
fi
}
+# Install SPL dtb and u-boot nodtb to datadir,
+install_spl_helper() {
+ if [ -f "${SPL_DIR}/${SPL_DTB_BINARY}" ]; then
+ install -d ${D}${datadir}
+ install ${SPL_DIR}/${SPL_DTB_BINARY} ${D}${datadir}/${SPL_DTB_IMAGE}
+ ln -sf ${SPL_DTB_IMAGE} ${D}${datadir}/${SPL_DTB_BINARY}
+ else
+ bbwarn "${SPL_DTB_BINARY} not found"
+ fi
+ if [ -f "${UBOOT_NODTB_BINARY}" ] ; then
+ install ${UBOOT_NODTB_BINARY} ${D}${datadir}/${UBOOT_NODTB_IMAGE}
+ ln -sf ${UBOOT_NODTB_IMAGE} ${D}${datadir}/${UBOOT_NODTB_BINARY}
+ else
+ bbwarn "${UBOOT_NODTB_BINARY} not found"
+ fi
+
+ # We need to install a 'stub' u-boot-fitimage + its to datadir,
+ # so that the KERNEL_PN can use the correct filename when
+ # assembling and deploying them
+ touch ${D}/${datadir}/${UBOOT_FITIMAGE_IMAGE}
+ touch ${D}/${datadir}/${UBOOT_ITS_IMAGE}
+}
+
do_install_append() {
- if [ "${UBOOT_SIGN_ENABLE}" = "1" -a "${PN}" = "${UBOOT_PN}" -a -n "${UBOOT_DTB_BINARY}" ]; then
+ if [ "${PN}" = "${UBOOT_PN}" ]; then
if [ -n "${UBOOT_CONFIG}" ]; then
for config in ${UBOOT_MACHINE}; do
cd ${B}/${config}
- install_helper
+ if [ "${UBOOT_SIGN_ENABLE}" = "1" -o "${UBOOT_FITIMAGE_ENABLE}" = "1" ] && \
+ [ -n "${UBOOT_DTB_BINARY}" ]; then
+ install_helper
+ fi
+ if [ "${SPL_SIGN_ENABLE}" = "1" -a -n "${SPL_DTB_BINARY}" ]; then
+ install_spl_helper
+ fi
done
else
cd ${B}
- install_helper
+ if [ "${UBOOT_SIGN_ENABLE}" = "1" -o "${UBOOT_FITIMAGE_ENABLE}" = "1" ] && \
+ [ -n "${UBOOT_DTB_BINARY}" ]; then
+ install_helper
+ fi
+ if [ "${UBOOT_FITIMAGE_ENABLE}" = "1" -a -n "${SPL_DTB_BINARY}" ]; then
+ install_spl_helper
+ fi
fi
fi
}
+do_generate_rsa_keys() {
+ if [ "${UBOOT_SIGN_ENABLE}" = "0" ] && [ "${FIT_GENERATE_KEYS}" = "1" ]; then
+ bbwarn "FIT_GENERATE_KEYS is set to 1 even though UBOOT_SIGN_ENABLE is set to 0. The keys will not be generated as they won't be used."
+ fi
+
+ if [ "${UBOOT_SIGN_ENABLE}" = "1" ] && [ "${FIT_GENERATE_KEYS}" = "1" ]; then
+
+ # Generate keys only if they don't already exist
+ if [ ! -f "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".key ] || \
+ [ ! -f "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".crt ]; then
+
+ # make directory if it does not already exist
+ mkdir -p "${UBOOT_SIGN_KEYDIR}"
+
+ echo "Generating RSA private key for signing fitImage"
+ openssl genrsa ${FIT_KEY_GENRSA_ARGS} -out \
+ "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".key \
+ "${FIT_SIGN_NUMBITS}"
+
+ echo "Generating certificate for signing fitImage"
+ openssl req ${FIT_KEY_REQ_ARGS} "${FIT_KEY_SIGN_PKCS}" \
+ -key "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".key \
+ -out "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".crt
+ fi
+ fi
+}
+
+addtask generate_rsa_keys before do_uboot_assemble_fitimage after do_compile
+
+# Create a ITS file for the U-boot FIT, for use when
+# we want to sign it so that the SPL can verify it
+uboot_fitimage_assemble() {
+ uboot_its="${1}"
+ uboot_nodtb_bin="${2}"
+ uboot_dtb="${3}"
+ uboot_bin="${4}"
+ spl_dtb="${5}"
+ uboot_csum="${FIT_HASH_ALG}"
+ uboot_sign_algo="${FIT_SIGN_ALG}"
+ uboot_sign_keyname="${UBOOT_SIGN_KEYNAME}"
+
+ rm -f ${uboot_its} ${uboot_bin}
+
+ # First we create the ITS script
+ cat << EOF >> ${uboot_its}
+/dts-v1/;
+
+/ {
+ description = "${UBOOT_FIT_DESC}";
+ #address-cells = <1>;
+
+ images {
+ uboot {
+ description = "U-Boot image";
+ data = /incbin/("${uboot_nodtb_bin}");
+ type = "uboot";
+ os = "U-Boot";
+ arch = "${UBOOT_ARCH}";
+ compression = "none";
+ load = <${UBOOT_LOADADDRESS}>;
+ entry = <${UBOOT_ENTRYPOINT}>;
+EOF
+
+ if [ "${SPL_SIGN_ENABLE}" = "1" ] ; then
+ cat << EOF >> ${uboot_its}
+ signature {
+ algo = "${uboot_csum},${uboot_sign_algo}";
+ key-name-hint = "${uboot_sign_keyname}";
+ };
+EOF
+ fi
+
+ cat << EOF >> ${uboot_its}
+ };
+ fdt {
+ description = "U-Boot FDT";
+ data = /incbin/("${uboot_dtb}");
+ type = "flat_dt";
+ arch = "${UBOOT_ARCH}";
+ compression = "none";
+EOF
+
+ if [ "${SPL_SIGN_ENABLE}" = "1" ] ; then
+ cat << EOF >> ${uboot_its}
+ signature {
+ algo = "${uboot_csum},${uboot_sign_algo}";
+ key-name-hint = "${uboot_sign_keyname}";
+ };
+EOF
+ fi
+
+ cat << EOF >> ${uboot_its}
+ };
+ };
+
+ configurations {
+ default = "conf";
+ conf {
+ description = "Boot with signed U-Boot FIT";
+ loadables = "uboot";
+ fdt = "fdt";
+ };
+ };
+};
+EOF
+
+ #
+ # Assemble the U-boot FIT image
+ #
+ ${UBOOT_MKIMAGE} \
+ ${@'-D "${UBOOT_MKIMAGE_DTCOPTS}"' if len('${UBOOT_MKIMAGE_DTCOPTS}') else ''} \
+ -f ${uboot_its} \
+ ${uboot_bin}
+
+ if [ "${SPL_SIGN_ENABLE}" = "1" ] ; then
+ #
+ # Sign the U-boot FIT image and add public key to SPL dtb
+ #
+ ${UBOOT_MKIMAGE_SIGN} \
+ ${@'-D "${UBOOT_MKIMAGE_DTCOPTS}"' if len('${UBOOT_MKIMAGE_DTCOPTS}') else ''} \
+ -F -k "${SPL_SIGN_KEYDIR}" \
+ -K "${spl_dtb}" \
+ -r ${uboot_bin} \
+ ${UBOOT_MKIMAGE_SIGN_ARGS}
+ fi
+
+}
+
+do_uboot_assemble_fitimage() {
+ # This function runs in KERNEL_PN context. The reason for that is that we need to
+ # support the scenario where UBOOT_SIGN_ENABLE is placing the Kernel fitImage's
+ # pubkey in the u-boot.dtb file, so that we can use it when building the U-Boot
+ # fitImage itself.
+ if [ "${UBOOT_FITIMAGE_ENABLE}" = "1" ] && \
+ [ -n "${SPL_DTB_BINARY}" -a "${PN}" = "${KERNEL_PN}" ] ; then
+ if [ "${UBOOT_SIGN_ENABLE}" != "1" ]; then
+ # If we're not signing the Kernel fitImage, that means
+ # we need to copy the u-boot.dtb from staging ourselves
+ cp -P ${STAGING_DATADIR}/u-boot*.dtb ${B}
+ fi
+ # As we are in the kernel context, we need to copy u-boot-spl.dtb from staging first.
+ # Unfortunately, need to glob on top of ${SPL_DTB_BINARY} since _IMAGE and _SYMLINK
+ # will contain U-boot's PV
+ # Similarly, we need to get the filename for the 'stub' u-boot-fitimage + its in
+ # staging so that we can use it for creating the image with the correct filename
+ # in the KERNEL_PN context.
+ # As for the u-boot.dtb (with fitimage's pubkey), it should come from the dependent
+ # do_assemble_fitimage task
+ cp -P ${STAGING_DATADIR}/u-boot-spl*.dtb ${B}
+ cp -P ${STAGING_DATADIR}/u-boot-nodtb*.bin ${B}
+ kernel_uboot_fitimage_name=`basename ${STAGING_DATADIR}/u-boot-fitImage-*`
+ kernel_uboot_its_name=`basename ${STAGING_DATADIR}/u-boot-its-*`
+ cd ${B}
+ uboot_fitimage_assemble ${kernel_uboot_its_name} ${UBOOT_NODTB_BINARY} \
+ ${UBOOT_DTB_BINARY} ${kernel_uboot_fitimage_name} \
+ ${SPL_DTB_BINARY}
+ fi
+}
+
+addtask uboot_assemble_fitimage before do_deploy after do_compile
+
do_deploy_prepend_pn-${UBOOT_PN}() {
- if [ "${UBOOT_SIGN_ENABLE}" = "1" -a -n "${UBOOT_DTB_BINARY}" ]; then
+ if [ "${UBOOT_SIGN_ENABLE}" = "1" -a -n "${UBOOT_DTB_BINARY}" ] ; then
concat_dtb
fi
+ if [ "${SPL_SIGN_ENABLE}" = "1" -a -n "${SPL_DTB_BINARY}" ] ; then
+ concat_spl_dtb
+ fi
+
+ # We only deploy the symlinks to the uboot-fitImage and uboot-its
+ # images, as the KERNEL_PN will take care of deploying the real file
+ if [ "${UBOOT_FITIMAGE_ENABLE}" = "1" ] ; then
+ ln -sf ${UBOOT_FITIMAGE_IMAGE} ${DEPLOYDIR}/${UBOOT_FITIMAGE_BINARY}
+ ln -sf ${UBOOT_FITIMAGE_IMAGE} ${DEPLOYDIR}/${UBOOT_FITIMAGE_SYMLINK}
+ ln -sf ${UBOOT_ITS_IMAGE} ${DEPLOYDIR}/${UBOOT_ITS}
+ ln -sf ${UBOOT_ITS_IMAGE} ${DEPLOYDIR}/${UBOOT_ITS_SYMLINK}
+ fi
+
}
do_deploy_append_pn-${UBOOT_PN}() {
@@ -168,9 +445,27 @@ do_deploy_append_pn-${UBOOT_PN}() {
}
python () {
- if d.getVar('UBOOT_SIGN_ENABLE') == '1' and d.getVar('PN') == d.getVar('UBOOT_PN') and d.getVar('UBOOT_DTB_BINARY'):
- kernel_pn = d.getVar('PREFERRED_PROVIDER_virtual/kernel')
+ if ( (d.getVar('UBOOT_SIGN_ENABLE') == '1'
+ or d.getVar('UBOOT_FITIMAGE_ENABLE') == '1')
+ and d.getVar('PN') == d.getVar('UBOOT_PN')
+ and d.getVar('UBOOT_DTB_BINARY')):
# Make "bitbake u-boot -cdeploy" deploys the signed u-boot.dtb
- d.appendVarFlag('do_deploy', 'depends', ' %s:do_deploy' % kernel_pn)
+ # and/or the U-Boot fitImage
+ d.appendVarFlag('do_deploy', 'depends', ' %s:do_deploy' % d.getVar('KERNEL_PN'))
+
+ if d.getVar('UBOOT_FITIMAGE_ENABLE') == '1' and d.getVar('PN') == d.getVar('KERNEL_PN'):
+ # As the U-Boot fitImage is created by the KERNEL_PN, we need
+ # to make sure that the u-boot-spl.dtb and u-boot-spl-nodtb.bin
+ # files are in the staging dir for it's use
+ d.appendVarFlag('do_uboot_assemble_fitimage', 'depends', ' %s:do_populate_sysroot' % d.getVar('UBOOT_PN'))
+
+ # If the Kernel fitImage is being signed, we need to
+ # create the U-Boot fitImage after it
+ if d.getVar('UBOOT_SIGN_ENABLE') == '1':
+ if d.getVar('INITRAMFS_IMAGE_BUNDLE') == "1":
+ d.appendVarFlag('do_uboot_assemble_fitimage', 'depends', ' %s:do_assemble_fitimage_initramfs' % d.getVar('KERNEL_PN'))
+ else:
+ d.appendVarFlag('do_uboot_assemble_fitimage', 'depends', ' %s:do_assemble_fitimage' % d.getVar('KERNEL_PN'))
+
}