]>
git.ipfire.org Git - people/ms/u-boot.git/blob - scripts/get_default_envs.sh
3 # Copyright (C) 2016, Lukasz Majewski <l.majewski@majess.pl>
5 # SPDX-License-Identifier: GPL-2.0+
8 # This file extracts default envs from built u-boot
9 # usage: get_default_envs.sh [build dir] > u-boot-env-default.txt
12 : "${OBJCOPY:=${CROSS_COMPILE:-}objcopy}"
14 ENV_OBJ_FILE
="built-in.o"
15 ENV_OBJ_FILE_COPY
="copy_${ENV_OBJ_FILE}"
17 echoerr
() { echo "$@" 1>&2; }
19 if [ "$#" -eq 1 ]; then
22 path
=$
(readlink
-f $0)
23 path
=${path%/scripts*}
26 env_obj_file_path
=$
(find ${path} -path "*/env/*" -not -path "*/spl/*" \
27 -name "${ENV_OBJ_FILE}")
28 [ -z "${env_obj_file_path}" ] && \
29 { echoerr
"File '${ENV_OBJ_FILE}' not found!"; exit 1; }
31 cp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY}
33 # NOTE: objcopy saves its output to file passed in
34 # (copy_${ENV_OBJ_FILE} in this case)
36 ${OBJCOPY} -O binary
-j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY}
38 # Replace default '\0' with '\n' and sort entries
39 tr '\0' '\n' < ${ENV_OBJ_FILE_COPY} |
sort -u
41 rm ${ENV_OBJ_FILE_COPY}