swu-images: cc6ul: add pre-install script to remove enc flag

For CC6UL, when not using rootfs encryption, the "enc" flag must be removed from
the "mtdparts" U-Boot variable.

https://jira.digi.com/browse/DEL-3685

Signed-off-by: Tatiana Leon <tatiana.leon@digi.com>
This commit is contained in:
Tatiana Leon 2017-03-01 22:33:05 +01:00
parent 0a64ff89e4
commit 3cb44334c6
4 changed files with 124 additions and 0 deletions

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@ -6,6 +6,7 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/GPL-2.0;md5=801f80980d171dd6425
SRC_URI = "file://sw-description"
SRC_URI_append_ccimx6 = " ${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE', True), 'file://preinstall_swu.sh', '')}"
SRC_URI_append_ccimx6ul = " ${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE', True), '', 'file://preinstall_swu.sh')}"
inherit swupdate
@ -30,6 +31,7 @@ ROOTFS_DEV_NAME_FINAL = "${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE
PREINST_SCRIPT_TEMPLATE = "scripts: ( { filename = \\"preinstall_swu.sh\\"; type = \\"preinstall\\"; sha256 = \\"@preinstall_swu.sh\\"; \\x7D );"
PREINST_SCRIPT_DESC = ""
PREINST_SCRIPT_DESC_ccimx6sbc = "${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE', True), '${PREINST_SCRIPT_TEMPLATE}', '')}"
PREINST_SCRIPT_DESC_ccimx6ul = "${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE', True), '', '${PREINST_SCRIPT_TEMPLATE}')}"
python () {
img_fstypes = d.getVar('BOOTFS_EXT', True) + " " + d.getVar('ROOTFS_EXT', True)

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@ -6,6 +6,7 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/GPL-2.0;md5=801f80980d171dd6425
SRC_URI = "file://sw-description"
SRC_URI_append_ccimx6 = " ${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE', True), 'file://preinstall_swu.sh', '')}"
SRC_URI_append_ccimx6ul = " ${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE', True), '', 'file://preinstall_swu.sh')}"
inherit swupdate
@ -30,6 +31,7 @@ ROOTFS_DEV_NAME_FINAL = "${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE
PREINST_SCRIPT_TEMPLATE = "scripts: ( { filename = \\"preinstall_swu.sh\\"; type = \\"preinstall\\"; sha256 = \\"@preinstall_swu.sh\\"; \\x7D );"
PREINST_SCRIPT_DESC = ""
PREINST_SCRIPT_DESC_ccimx6sbc = "${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE', True), '${PREINST_SCRIPT_TEMPLATE}', '')}"
PREINST_SCRIPT_DESC_ccimx6ul = "${@oe.utils.ifelse(d.getVar('TRUSTFENCE_INITRAMFS_IMAGE', True), '', '${PREINST_SCRIPT_TEMPLATE}')}"
python () {
img_fstypes = d.getVar('BOOTFS_EXT', True) + " " + d.getVar('ROOTFS_EXT', True)

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@ -0,0 +1,119 @@
#!/bin/sh
#===============================================================================
#
# pre-install_swu.sh
#
# Copyright (C) 2017 by Digi International Inc.
# All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 as published by
# the Free Software Foundation.
#
#
# !Description: SWUpdate pre-install script to remove the encryption flag from
# rootfs
#
# SWUpdate calls this script before installing the image.
#
#===============================================================================
# Variables.
#------------------------------------------------------------------------------
ENV_MTDPARTS="mtdparts"
# Functions.
#------------------------------------------------------------------------------
# Function - psplash_message
#
# Shows the given message in the psplash screen.
#
# @param ${1} - Message to show.
#------------------------------------------------------------------------------
psplash_message() {
echo "MSG ${1}" > /tmp/psplash_fifo
sleep 0.2
}
#------------------------------------------------------------------------------
# Function - psplash_progress
#
# Sets the psplash progress bar percentage to the given one.
#
# @param ${1} - Progress percentage.
#------------------------------------------------------------------------------
psplash_progress() {
echo "PROGRESS ${1}" > /tmp/psplash_fifo
sleep 0.2
}
#------------------------------------------------------------------------------
# Function - log
#
# Prints the given text in the console.
#
# @param ${1} - Text to print.
#------------------------------------------------------------------------------
log() {
echo "[FW UPDATE] ${1}"
}
#------------------------------------------------------------------------------
# Function - log_error
#
# Prints the given text in the console as an error.
#
# @param ${1} - Error text to print.
#------------------------------------------------------------------------------
log_error() {
log "[ERROR] ${1}"
psplash_message "ERROR: ${1}"
psplash_progress "0"
}
#------------------------------------------------------------------------------
# Function - read_uboot_var
#
# Reads the given U-Boot variable.
#
# @param ${1} - U-Boot variable to read.
# @param ${2} - Where to store the value of the read variable.
#------------------------------------------------------------------------------
read_uboot_var() {
eval "${2}=\"$(fw_printenv -n ${1} 2>/dev/null)\""
}
#------------------------------------------------------------------------------
# Function - set_uboot_var
#
# Sets the given U-Boot variable.
#
# @param ${1} - U-Boot variable to set.
# @param ${2} - Value to set.
#------------------------------------------------------------------------------
set_uboot_var() {
fw_setenv ${1} ${2} 2>/dev/null
}
# Main
#------------------------------------------------------------------------------
# Read the mtdparts variable.
read_uboot_var "${ENV_MTDPARTS}" MTDPARTS
# Check if there is any command.
if [ -z "${MTDPARTS}" ]; then
log_error "No mtdparts found"
exit 1
fi
# Parse the mtdparts value.
case "${MTDPARTS}" in
*\(rootfs\)enc*)
# Remove the flag from the rootfs partition.
NEW_MTDPARTS=$(echo "${MTDPARTS}" | sed -e "s/(rootfs)enc/(rootfs)/g")
set_uboot_var "${ENV_MTDPARTS}" "${NEW_MTDPARTS}"
sync && reboot -f
;;
*)
esac

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@ -16,4 +16,5 @@ software =
sha256 = "@##ROOTIMG_NAME##";
}
);
##PREINSTALL_SCRIPT##
}