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-rw-r--r--meta/classes/uboot-sign.bbclass95
1 files changed, 53 insertions, 42 deletions
diff --git a/meta/classes/uboot-sign.bbclass b/meta/classes/uboot-sign.bbclass
index afaf46fe14..03100b8a5f 100644
--- a/meta/classes/uboot-sign.bbclass
+++ b/meta/classes/uboot-sign.bbclass
@@ -19,11 +19,15 @@
# The tasks sequence is set as below, using DEPLOY_IMAGE_DIR as common place to
# treat the device tree blob:
#
-# u-boot:do_deploy_dtb
-# u-boot:do_deploy
-# virtual/kernel:do_assemble_fitimage
-# u-boot:do_concat_dtb
-# u-boot:do_install
+# * u-boot:do_install_append
+# Install UBOOT_DTB_BINARY to datadir, so that kernel can use it for
+# signing, and kernel will deploy UBOOT_DTB_BINARY after signs it.
+#
+# * virtual/kernel:do_assemble_fitimage
+# Sign the image
+#
+# * u-boot:do_deploy[postfuncs]
+# Deploy files like UBOOT_DTB_IMAGE, UBOOT_DTB_SYMLINK and others.
#
# For more details on signature process, please refer to U-Boot documentation.
@@ -38,58 +42,65 @@ 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}.${UBOOT_SUFFIX}"
-#
-# Following is relevant only for u-boot recipes:
-#
+# Functions in this bbclass is for u-boot only
+UBOOT_PN = "${@d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot'}"
-do_deploy_dtb () {
- mkdir -p ${DEPLOYDIR}
- cd ${DEPLOYDIR}
+concat_dtb() {
+ if [ "${UBOOT_SIGN_ENABLE}" = "1" -a "${PN}" = "${UBOOT_PN}" ]; then
+ mkdir -p ${DEPLOYDIR}
+ if [ -e ${B}/${UBOOT_DTB_BINARY} ]; then
+ ln -sf ${UBOOT_DTB_IMAGE} ${DEPLOYDIR}/${UBOOT_DTB_BINARY}
+ ln -sf ${UBOOT_DTB_IMAGE} ${DEPLOYDIR}/${UBOOT_DTB_SYMLINK}
+ fi
- if [ -f ${B}/${UBOOT_DTB_BINARY} ]; then
- install ${B}/${UBOOT_DTB_BINARY} ${DEPLOYDIR}/${UBOOT_DTB_IMAGE}
- rm -f ${UBOOT_DTB_BINARY} ${UBOOT_DTB_SYMLINK}
- ln -sf ${UBOOT_DTB_IMAGE} ${UBOOT_DTB_SYMLINK}
- ln -sf ${UBOOT_DTB_IMAGE} ${UBOOT_DTB_BINARY}
- fi
- if [ -f ${B}/${UBOOT_NODTB_BINARY} ]; then
- install ${B}/${UBOOT_NODTB_BINARY} ${DEPLOYDIR}/${UBOOT_NODTB_IMAGE}
- rm -f ${UBOOT_NODTB_BINARY} ${UBOOT_NODTB_SYMLINK}
- ln -sf ${UBOOT_NODTB_IMAGE} ${UBOOT_NODTB_SYMLINK}
- ln -sf ${UBOOT_NODTB_IMAGE} ${UBOOT_NODTB_BINARY}
- fi
-}
+ if [ -f ${B}/${UBOOT_NODTB_BINARY} ]; then
+ install ${B}/${UBOOT_NODTB_BINARY} ${DEPLOYDIR}/${UBOOT_NODTB_IMAGE}
+ ln -sf ${UBOOT_NODTB_IMAGE} ${UBOOT_NODTB_SYMLINK}
+ ln -sf ${UBOOT_NODTB_IMAGE} ${UBOOT_NODTB_BINARY}
+ fi
-do_concat_dtb () {
- # Concatenate U-Boot w/o DTB & DTB with public key
- # (cf. kernel-fitimage.bbclass for more details)
- if [ "x${UBOOT_SIGN_ENABLE}" = "x1" ]; then
+ # 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 "${DEPLOYDIR}/${UBOOT_DTB_IMAGE}" ]; then
+ [ -e "$deployed_uboot_dtb_binary" ]; then
cd ${B}
- oe_runmake EXT_DTB=${DEPLOYDIR}/${UBOOT_DTB_IMAGE}
+ oe_runmake EXT_DTB=$deployed_uboot_dtb_binary
install ${B}/${UBOOT_BINARY} ${DEPLOYDIR}/${UBOOT_IMAGE}
- install ${B}/${UBOOT_BINARY} ${DEPLOY_DIR_IMAGE}/${UBOOT_IMAGE}
- elif [ -e "${DEPLOYDIR}/${UBOOT_NODTB_IMAGE}" -a -e "${DEPLOYDIR}/${UBOOT_DTB_IMAGE}" ]; then
+ elif [ -e "${DEPLOYDIR}/${UBOOT_NODTB_IMAGE}" -a -e "$deployed_uboot_dtb_binary" ]; then
cd ${DEPLOYDIR}
- cat ${UBOOT_NODTB_IMAGE} ${UBOOT_DTB_IMAGE} | tee ${B}/${UBOOT_BINARY} > ${UBOOT_IMAGE}
+ cat ${UBOOT_NODTB_IMAGE} $deployed_uboot_dtb_binary | tee ${B}/${UBOOT_BINARY} > ${UBOOT_IMAGE}
else
bbwarn "Failure while adding public key to u-boot binary. Verified boot won't be available."
fi
fi
}
+# Install UBOOT_DTB_BINARY to datadir, so that kernel can use it for
+# signing, and kernel will deploy UBOOT_DTB_BINARY after signs it.
+do_install_append() {
+ if [ "${UBOOT_SIGN_ENABLE}" = "1" -a "${PN}" = "${UBOOT_PN}" ]; then
+ if [ -f ${B}/${UBOOT_DTB_BINARY} ]; then
+ install -d ${D}${datadir}
+ # UBOOT_DTB_BINARY is a symlink to UBOOT_DTB_IMAGE, so we
+ # need both of them.
+ install ${B}/${UBOOT_DTB_BINARY} ${D}${datadir}/${UBOOT_DTB_IMAGE}
+ ln -sf ${UBOOT_DTB_IMAGE} ${D}${datadir}/${UBOOT_DTB_BINARY}
+ else
+ bbwarn "${B}/${UBOOT_DTB_BINARY} not found"
+ fi
+ fi
+}
+
python () {
- uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot'
- if d.getVar('UBOOT_SIGN_ENABLE') == '1' and d.getVar('PN') == uboot_pn:
+ if d.getVar('UBOOT_SIGN_ENABLE') == '1' and d.getVar('PN') == d.getVar('UBOOT_PN'):
kernel_pn = d.getVar('PREFERRED_PROVIDER_virtual/kernel')
- # u-boot.dtb and u-boot-nodtb.bin are deployed _before_ do_deploy
- # Thus, do_deploy_setscene will also populate them in DEPLOY_IMAGE_DIR
- bb.build.addtask('do_deploy_dtb', 'do_deploy', 'do_compile', d)
+ # Make "bitbake u-boot -cdeploy" deploys the signed u-boot.dtb
+ d.appendVarFlag('do_deploy', 'depends', ' %s:do_deploy' % kernel_pn)
- # do_concat_dtb is scheduled _before_ do_install as it overwrite the
- # u-boot.bin in both DEPLOYDIR and DEPLOY_IMAGE_DIR.
- bb.build.addtask('do_concat_dtb', 'do_install', None, d)
- d.appendVarFlag('do_concat_dtb', 'depends', ' %s:do_assemble_fitimage' % kernel_pn)
+ # kernerl's do_deploy is a litle special, so we can't use
+ # do_deploy_append, otherwise it would override
+ # kernel_do_deploy.
+ d.appendVarFlag('do_deploy', 'prefuncs', ' concat_dtb')
}