127229b2aSLukasz Majewski#! /bin/bash 227229b2aSLukasz Majewski# 327229b2aSLukasz Majewski# Copyright (C) 2016, Lukasz Majewski <l.majewski@majess.pl> 427229b2aSLukasz Majewski# 527229b2aSLukasz Majewski# SPDX-License-Identifier: GPL-2.0+ 627229b2aSLukasz Majewski# 727229b2aSLukasz Majewski 827229b2aSLukasz Majewski# This file extracts default envs from built u-boot 9*0778e7c5SLukasz Majewski# usage: get_default_envs.sh [build dir] > u-boot-env-default.txt 1027229b2aSLukasz Majewskiset -ue 1127229b2aSLukasz Majewski 12*0778e7c5SLukasz Majewski: "${OBJCOPY:=${CROSS_COMPILE:-}objcopy}" 13*0778e7c5SLukasz Majewski 14*0778e7c5SLukasz MajewskiENV_OBJ_FILE="built-in.o" 1527229b2aSLukasz MajewskiENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}" 1627229b2aSLukasz Majewski 1727229b2aSLukasz Majewskiechoerr() { echo "$@" 1>&2; } 1827229b2aSLukasz Majewski 19*0778e7c5SLukasz Majewskiif [ "$#" -eq 1 ]; then 20*0778e7c5SLukasz Majewski path=${1} 21*0778e7c5SLukasz Majewskielse 2227229b2aSLukasz Majewski path=$(readlink -f $0) 23*0778e7c5SLukasz Majewski path=${path%/scripts*} 24*0778e7c5SLukasz Majewskifi 25*0778e7c5SLukasz Majewski 26*0778e7c5SLukasz Majewskienv_obj_file_path=$(find ${path} -path "*/env/*" -not -path "*/spl/*" \ 2727229b2aSLukasz Majewski -name "${ENV_OBJ_FILE}") 2827229b2aSLukasz Majewski[ -z "${env_obj_file_path}" ] && \ 2927229b2aSLukasz Majewski { echoerr "File '${ENV_OBJ_FILE}' not found!"; exit 1; } 3027229b2aSLukasz Majewski 3127229b2aSLukasz Majewskicp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY} 3227229b2aSLukasz Majewski 3327229b2aSLukasz Majewski# NOTE: objcopy saves its output to file passed in 34*0778e7c5SLukasz Majewski# (copy_${ENV_OBJ_FILE} in this case) 35*0778e7c5SLukasz Majewski 36*0778e7c5SLukasz Majewski${OBJCOPY} -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY} 3727229b2aSLukasz Majewski 3827229b2aSLukasz Majewski# Replace default '\0' with '\n' and sort entries 3927229b2aSLukasz Majewskitr '\0' '\n' < ${ENV_OBJ_FILE_COPY} | sort -u 4027229b2aSLukasz Majewski 4127229b2aSLukasz Majewskirm ${ENV_OBJ_FILE_COPY} 4227229b2aSLukasz Majewski 4327229b2aSLukasz Majewskiexit 0 44