35 lines
887 B
Bash
35 lines
887 B
Bash
|
#! /bin/bash
|
||
|
|
#
|
||
|
|
# Copyright (C) 2016, Lukasz Majewski <l.majewski@majess.pl>
|
||
|
|
#
|
||
|
|
# SPDX-License-Identifier: GPL-2.0+
|
||
|
|
#
|
||
|
|
|
||
|
|
# This file extracts default envs from built u-boot
|
||
|
|
# usage: get_default_envs.sh > u-boot-env-default.txt
|
||
|
|
set -ue
|
||
|
|
|
||
|
|
ENV_OBJ_FILE="env_common.o"
|
||
|
|
ENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}"
|
||
|
|
|
||
|
|
echoerr() { echo "$@" 1>&2; }
|
||
|
|
|
||
|
|
path=$(readlink -f $0)
|
||
|
|
env_obj_file_path=$(find ${path%/scripts*} -not -path "*/spl/*" \
|
||
|
|
-name "${ENV_OBJ_FILE}")
|
||
|
|
[ -z "${env_obj_file_path}" ] && \
|
||
|
|
{ echoerr "File '${ENV_OBJ_FILE}' not found!"; exit 1; }
|
||
|
|
|
||
|
|
cp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY}
|
||
|
|
|
||
|
|
# NOTE: objcopy saves its output to file passed in
|
||
|
|
# (copy_env_common.o in this case)
|
||
|
|
objcopy -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY}
|
||
|
|
|
||
|
|
# Replace default '\0' with '\n' and sort entries
|
||
|
|
tr '\0' '\n' < ${ENV_OBJ_FILE_COPY} | sort -u
|
||
|
|
|
||
|
|
rm ${ENV_OBJ_FILE_COPY}
|
||
|
|
|
||
|
|
exit 0
|