70 lines
2.5 KiB
Bash
70 lines
2.5 KiB
Bash
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#!/usr/bin/env bash
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###############################################################################
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# File Name: elf2c.sh
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#
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# Description:
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# Basic bash shell script to convert the programmable sections of an *.elf file
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# into a basic c array. This uses objcopy and python.
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#
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###############################################################################
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# Copyright 2019-2021 Cypress Semiconductor Corporation (an Infineon company)
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# or an affiliate of Cypress Semiconductor Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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###############################################################################
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# Path to the current script
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SCRIPTPATH="$(dirname "$0")"
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# Enable error mode and verbose tracing
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set -ex
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# Path to Elf2Bin tool
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# ELF2BIN="C:/Program Files (x86)/GNU Tools ARM Embedded/7 2018-q2-update/bin/arm-none-eabi-objcopy.exe"
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[[ -n "$ELF2BIN" ]] || ELF2BIN="${USERPROFILE:-$HOME}/ModusToolbox/tools_2.1/gcc-7.2.1/bin/arm-none-eabi-objcopy.exe"
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# Path to Python executable
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[[ -n "$PYTHON" ]] || PYTHON=python
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# This function converts ELF executable to C file
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# Additionally, it generates HEX file
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# arg#1: path to ELF file
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# arg#2: path to C file
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# arg#3: C preprocessor guard macro (optional)
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function elf2c()
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{
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[[ $# -ge 2 ]] || { echo >&2 "Error: expected 2 or 3 arguments: <path-to-elf> <path-to-c> [c-macro]"; exit 1; }
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local ELF_PATH="$1"
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local HEX_PATH="${ELF_PATH%.*}.hex"
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local BIN_PATH="${ELF_PATH%.*}.bin"
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local C_PATH="$2"
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local C_MACRO="$3"
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file "$ELF_PATH" || { echo >&2 "Error: $ELF_PATH is not found, exiting"; exit 1; }
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"$ELF2BIN" -O ihex "$ELF_PATH" "$HEX_PATH"
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"$ELF2BIN" -O binary "$ELF_PATH" "$BIN_PATH"
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"$PYTHON" "$SCRIPTPATH/bin2c.py" "$BIN_PATH" "$C_PATH" "$C_MACRO"
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echo "Successfully converted $ELF_PATH to $C_PATH"
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}
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# Check ELF2BIN
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"$ELF2BIN" --version || { echo >&2 "Error: $ELF2BIN is not found, exiting"; exit 1; }
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# Check python
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"$PYTHON" --version || { echo >&2 "Error: python executable is not found, exiting"; exit 1; }
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# Convert ELF to C
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elf2c $@
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