| # SPDX-License-Identifier: GPL-2.0+ |
| # Copyright (C) 2016, Lukasz Majewski <l.majewski@majess.pl> |
| # This file extracts default envs from built u-boot |
| # usage: get_default_envs.sh [build dir] > u-boot-env-default.txt |
| : "${OBJCOPY:=${CROSS_COMPILE:-}objcopy}" |
| ENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}" |
| echoerr() { echo "$@" 1>&2; } |
| env_obj_file_path=$(find ${path} -path "*/env/*" -not -path "*/spl/*" \ |
| -not -path "*/tools/*" -name "${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_OBJ_FILE} in this case) |
| ${OBJCOPY} --dump-section .rodata.default_environment=${ENV_OBJ_FILE_COPY} \ |
| # Replace default '\0' with '\n' , remove blank lines and sort entries |
| tr '\0' '\n' < ${ENV_OBJ_FILE_COPY} | sed -e '/^\s*$/d' | sort --field-separator== -k1,1 --stable |