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@@ -0,0 +1,34 @@
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+#! /bin/bash
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+#
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+# Copyright (C) 2016, Lukasz Majewski <l.majewski@majess.pl>
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+#
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+# SPDX-License-Identifier: GPL-2.0+
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+#
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+
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+# This file extracts default envs from built u-boot
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+# usage: get_default_envs.sh > u-boot-env-default.txt
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+set -ue
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+
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+ENV_OBJ_FILE="env_common.o"
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+ENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}"
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+
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+echoerr() { echo "$@" 1>&2; }
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+
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+path=$(readlink -f $0)
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+env_obj_file_path=$(find ${path%/scripts*} -not -path "*/spl/*" \
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+ -name "${ENV_OBJ_FILE}")
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+[ -z "${env_obj_file_path}" ] && \
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+ { echoerr "File '${ENV_OBJ_FILE}' not found!"; exit 1; }
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+
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+cp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY}
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+
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+# NOTE: objcopy saves its output to file passed in
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+# (copy_env_common.o in this case)
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+objcopy -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY}
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+
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+# Replace default '\0' with '\n' and sort entries
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+tr '\0' '\n' < ${ENV_OBJ_FILE_COPY} | sort -u
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+
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+rm ${ENV_OBJ_FILE_COPY}
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+
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+exit 0
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