#!/bin/bash
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function usage()
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{
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echo "Usage:"
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echo " $0 [options]"
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echo "Options:"
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echo " -h Display help or usage"
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echo " -i <input_file_path> Input binary file path"
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echo " -a <c_align> Output C array alignment"
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echo " -p <c_prefix> Output C array name prefix"
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exit 1;
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}
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# Command line options
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INPUT_PATH=""
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OUTPUT_C_ALIGN=""
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OUTPUT_C_PREFIX=""
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while getopts "hi:a:p:o:" o; do
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case "${o}" in
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h)
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usage
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;;
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i)
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INPUT_PATH=${OPTARG}
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;;
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a)
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OUTPUT_C_ALIGN=${OPTARG}
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;;
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p)
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OUTPUT_C_PREFIX=${OPTARG}
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;;
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*)
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usage
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;;
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esac
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done
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shift $((OPTIND-1))
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if [ -z "${INPUT_PATH}" ]; then
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echo "Must specify input file path"
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usage
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fi
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if [ ! -f "${INPUT_PATH}" ]; then
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echo "The input path should be a file"
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usage
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fi
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if [ -z "${OUTPUT_C_ALIGN}" ]; then
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echo "Must provide output C array alignment"
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usage
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fi
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if [ -z "${OUTPUT_C_PREFIX}" ]; then
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echo "Must provide output C array name prefix"
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usage
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fi
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printf "const char __attribute__((aligned(%s))) %s_start[] = {\n" "${OUTPUT_C_ALIGN}" "${OUTPUT_C_PREFIX}"
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od -v -t x1 -An ${INPUT_PATH} | awk '{for (i=1; i<=NF; i++) printf " 0x%s,", $i; printf "\n"; }'
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printf "};\n"
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printf "const unsigned long %s_size = sizeof(%s_start);\n" "${OUTPUT_C_PREFIX}" "${OUTPUT_C_PREFIX}"
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