1*27229b2aSLukasz Majewski#! /bin/bash 2*27229b2aSLukasz Majewski# 3*27229b2aSLukasz Majewski# Copyright (C) 2016, Lukasz Majewski <l.majewski@majess.pl> 4*27229b2aSLukasz Majewski# 5*27229b2aSLukasz Majewski# SPDX-License-Identifier: GPL-2.0+ 6*27229b2aSLukasz Majewski# 7*27229b2aSLukasz Majewski 8*27229b2aSLukasz Majewski# This file extracts default envs from built u-boot 9*27229b2aSLukasz Majewski# usage: get_default_envs.sh > u-boot-env-default.txt 10*27229b2aSLukasz Majewskiset -ue 11*27229b2aSLukasz Majewski 12*27229b2aSLukasz MajewskiENV_OBJ_FILE="env_common.o" 13*27229b2aSLukasz MajewskiENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}" 14*27229b2aSLukasz Majewski 15*27229b2aSLukasz Majewskiechoerr() { echo "$@" 1>&2; } 16*27229b2aSLukasz Majewski 17*27229b2aSLukasz Majewskipath=$(readlink -f $0) 18*27229b2aSLukasz Majewskienv_obj_file_path=$(find ${path%/scripts*} -not -path "*/spl/*" \ 19*27229b2aSLukasz Majewski -name "${ENV_OBJ_FILE}") 20*27229b2aSLukasz Majewski[ -z "${env_obj_file_path}" ] && \ 21*27229b2aSLukasz Majewski { echoerr "File '${ENV_OBJ_FILE}' not found!"; exit 1; } 22*27229b2aSLukasz Majewski 23*27229b2aSLukasz Majewskicp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY} 24*27229b2aSLukasz Majewski 25*27229b2aSLukasz Majewski# NOTE: objcopy saves its output to file passed in 26*27229b2aSLukasz Majewski# (copy_env_common.o in this case) 27*27229b2aSLukasz Majewskiobjcopy -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY} 28*27229b2aSLukasz Majewski 29*27229b2aSLukasz Majewski# Replace default '\0' with '\n' and sort entries 30*27229b2aSLukasz Majewskitr '\0' '\n' < ${ENV_OBJ_FILE_COPY} | sort -u 31*27229b2aSLukasz Majewski 32*27229b2aSLukasz Majewskirm ${ENV_OBJ_FILE_COPY} 33*27229b2aSLukasz Majewski 34*27229b2aSLukasz Majewskiexit 0 35