1*4882a593Smuzhiyun#! /bin/bash 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# Copyright (C) 2016, Lukasz Majewski <l.majewski@majess.pl> 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun# 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun# This file extracts default envs from built u-boot 9*4882a593Smuzhiyun# usage: get_default_envs.sh > u-boot-env-default.txt 10*4882a593Smuzhiyunset -ue 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunENV_OBJ_FILE="env_common.o" 13*4882a593SmuzhiyunENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}" 14*4882a593Smuzhiyun 15*4882a593Smuzhiyunechoerr() { echo "$@" 1>&2; } 16*4882a593Smuzhiyun 17*4882a593Smuzhiyunpath=$(readlink -f $0) 18*4882a593Smuzhiyunenv_obj_file_path=$(find ${path%/scripts*} -not -path "*/spl/*" \ 19*4882a593Smuzhiyun -name "${ENV_OBJ_FILE}") 20*4882a593Smuzhiyun[ -z "${env_obj_file_path}" ] && \ 21*4882a593Smuzhiyun { echoerr "File '${ENV_OBJ_FILE}' not found!"; exit 1; } 22*4882a593Smuzhiyun 23*4882a593Smuzhiyuncp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY} 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun# NOTE: objcopy saves its output to file passed in 26*4882a593Smuzhiyun# (copy_env_common.o in this case) 27*4882a593Smuzhiyunobjcopy -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY} 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun# Replace default '\0' with '\n' and sort entries 30*4882a593Smuzhiyuntr '\0' '\n' < ${ENV_OBJ_FILE_COPY} | sort -u 31*4882a593Smuzhiyun 32*4882a593Smuzhiyunrm ${ENV_OBJ_FILE_COPY} 33*4882a593Smuzhiyun 34*4882a593Smuzhiyunexit 0 35