#!/bin/bash
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#!/bin/bash
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# The Potato Processor - A simple processor for FPGAs
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# The Potato Processor - A simple processor for FPGAs
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# (c) Kristian Klomsten Skordal 2014 - 2015 <kristian.skordal@wafflemail.net>
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# (c) Kristian Klomsten Skordal 2014 - 2015 <kristian.skordal@wafflemail.net>
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# Report bugs and issues on <https://github.com/skordal/potato/issues>
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# Report bugs and issues on <http://opencores.org/project,potato,bugtracker>
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# This script extracts the code and data sections from executables and
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# This script extracts the code and data sections from executables and
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# produces hex files that can be used to initialize the instruction and
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# produces hex files that can be used to initialize the instruction and
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# data memories in the testbench.
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# data memories in the testbench.
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if [ -z "$1" -o -z "$2" -o -z "$3" ]; then
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if [ -z "$1" -o -z "$2" -o -z "$3" ]; then
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echo "exctract_hex <input elf file> <imem hex file> <dmem hex file>"
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echo "exctract_hex <input elf file> <imem hex file> <dmem hex file>"
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exit 1
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exit 1
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fi
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fi
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if [ -z "$TOOLCHAIN_PREFIX" ]; then
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if [ -z "$TOOLCHAIN_PREFIX" ]; then
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TOOLCHAIN_PREFIX=riscv64-unknown-elf
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TOOLCHAIN_PREFIX=riscv64-unknown-elf
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fi;
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fi;
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$TOOLCHAIN_PREFIX-objdump -d -w $1 | sed '1,5d' | awk '!/:$/ { print $2; }' | sed '/^$/d' > $2; \
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$TOOLCHAIN_PREFIX-objdump -d -w $1 | sed '1,5d' | awk '!/:$/ { print $2; }' | sed '/^$/d' > $2; \
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test -z "$($TOOLCHAIN_PREFIX-readelf -l $1 | grep .data)" || \
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test -z "$($TOOLCHAIN_PREFIX-readelf -l $1 | grep .data)" || \
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$TOOLCHAIN_PREFIX-objdump -s -j .data $1 | sed '1,4d' | \
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$TOOLCHAIN_PREFIX-objdump -s -j .data $1 | sed '1,4d' | \
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awk '!/:$/ { for (i = 2; i < 6; i++) print $i; }' | sed '/^$/d' > $3;
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awk '!/:$/ { for (i = 2; i < 6; i++) print $i; }' | sed '/^$/d' > $3;
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exit 0
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exit 0
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