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script: Make the get_default_envs.sh script working with newest u-boot
This commit fixes several issues: - After moving env related code to ./env directory the env_common.o file is no longer present in the system (has been replaced with built-in.o). - Use ${OBJCOPY} if available, fallback to system default's objcopy if not present. - Extend the script to accept different build directory than current one. It is extremely handy with OE usage, where source code is separated from build. Signed-off-by: Lukasz Majewski <lukma@denx.de> Tested-by: Alex Kiernan <alex.kiernan@gmail.com>
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@ -6,16 +6,24 @@
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#
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# This file extracts default envs from built u-boot
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# usage: get_default_envs.sh > u-boot-env-default.txt
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# usage: get_default_envs.sh [build dir] > u-boot-env-default.txt
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set -ue
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ENV_OBJ_FILE="env_common.o"
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: "${OBJCOPY:=${CROSS_COMPILE:-}objcopy}"
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ENV_OBJ_FILE="built-in.o"
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ENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}"
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echoerr() { echo "$@" 1>&2; }
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path=$(readlink -f $0)
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env_obj_file_path=$(find ${path%/scripts*} -not -path "*/spl/*" \
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if [ "$#" -eq 1 ]; then
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path=${1}
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else
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path=$(readlink -f $0)
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path=${path%/scripts*}
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fi
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env_obj_file_path=$(find ${path} -path "*/env/*" -not -path "*/spl/*" \
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-name "${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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@ -23,8 +31,9 @@ env_obj_file_path=$(find ${path%/scripts*} -not -path "*/spl/*" \
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cp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY}
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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" ${ENV_OBJ_FILE_COPY}
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# (copy_${ENV_OBJ_FILE} in this case)
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${OBJCOPY} -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY}
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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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