diff options
Diffstat (limited to 'meta/classes/uboot-sign.bbclass')
| -rw-r--r-- | meta/classes/uboot-sign.bbclass | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/meta/classes/uboot-sign.bbclass b/meta/classes/uboot-sign.bbclass deleted file mode 100644 index 713196df41..0000000000 --- a/meta/classes/uboot-sign.bbclass +++ /dev/null @@ -1,132 +0,0 @@ -# This file is part of U-Boot verified boot support and is intended to be -# inherited from u-boot recipe and from kernel-fitimage.bbclass. -# -# The signature procedure requires the user to generate an RSA key and -# certificate in a directory and to define the following variable: -# -# UBOOT_SIGN_KEYDIR = "/keys/directory" -# UBOOT_SIGN_KEYNAME = "dev" # keys name in keydir (eg. "dev.crt", "dev.key") -# UBOOT_MKIMAGE_DTCOPTS = "-I dts -O dtb -p 2000" -# UBOOT_SIGN_ENABLE = "1" -# -# As verified boot depends on fitImage generation, following is also required: -# -# KERNEL_CLASSES ?= " kernel-fitimage " -# KERNEL_IMAGETYPE ?= "fitImage" -# -# The signature support is limited to the use of CONFIG_OF_SEPARATE in U-Boot. -# -# The tasks sequence is set as below, using DEPLOY_IMAGE_DIR as common place to -# treat the device tree blob: -# -# * 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. - -# Signature activation. -UBOOT_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}.${UBOOT_SUFFIX}" - -# Functions in this bbclass is for u-boot only -UBOOT_PN = "${@d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot'}" - -concat_dtb_helper() { - if [ -e "${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 "${UBOOT_NODTB_BINARY}" ]; then - install ${UBOOT_NODTB_BINARY} ${DEPLOYDIR}/${UBOOT_NODTB_IMAGE} - ln -sf ${UBOOT_NODTB_IMAGE} ${DEPLOYDIR}/${UBOOT_NODTB_SYMLINK} - 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 - cd ${DEPLOYDIR} - cat ${UBOOT_NODTB_IMAGE} $deployed_uboot_dtb_binary | tee ${B}/${CONFIG_B_PATH}/${UBOOT_BINARY} > ${UBOOT_IMAGE} - else - bbwarn "Failure while adding public key to u-boot binary. Verified boot won't be available." - fi -} - -concat_dtb() { - if [ "${UBOOT_SIGN_ENABLE}" = "1" -a "${PN}" = "${UBOOT_PN}" -a -n "${UBOOT_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_dtb_helper - done - else - CONFIG_B_PATH="" - cd ${B} - concat_dtb_helper - fi - fi -} - -# Install UBOOT_DTB_BINARY to datadir, so that kernel can use it for -# signing, and kernel will deploy UBOOT_DTB_BINARY after signs it. -install_helper() { - if [ -f "${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 ${UBOOT_DTB_BINARY} ${D}${datadir}/${UBOOT_DTB_IMAGE} - ln -sf ${UBOOT_DTB_IMAGE} ${D}${datadir}/${UBOOT_DTB_BINARY} - else - bbwarn "${UBOOT_DTB_BINARY} not found" - fi -} - -do_install_append() { - if [ "${UBOOT_SIGN_ENABLE}" = "1" -a "${PN}" = "${UBOOT_PN}" -a -n "${UBOOT_DTB_BINARY}" ]; then - if [ -n "${UBOOT_CONFIG}" ]; then - for config in ${UBOOT_MACHINE}; do - cd ${B}/${config} - install_helper - done - else - cd ${B} - install_helper - fi - fi -} - -do_deploy_prepend_pn-${UBOOT_PN}() { - if [ "${UBOOT_SIGN_ENABLE}" = "1" -a -n "${UBOOT_DTB_BINARY}" ]; then - concat_dtb - fi -} - -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') - - # Make "bitbake u-boot -cdeploy" deploys the signed u-boot.dtb - d.appendVarFlag('do_deploy', 'depends', ' %s:do_deploy' % kernel_pn) -} |