blob: d1f2ce4d5c51ed1324d4ffec4482965d1ec3a3fa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#! /bin/bash
# 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
set -ue
: "${OBJCOPY:=${CROSS_COMPILE:-}objcopy}"
ENV_OBJ_FILE="built-in.o"
ENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}"
echoerr() { echo "$@" 1>&2; }
if [ "$#" -eq 1 ]; then
path=${1}
else
path=$(readlink -f $0)
path=${path%/scripts*}
fi
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} -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 --field-separator== -k1,1 --stable
rm ${ENV_OBJ_FILE_COPY}
exit 0
|
