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#!/bin/bash
# Rebuild FPGA bit files
# Copyright (c) 2010 Michael Buesch <mb@bu3sch.de>
# Licensed under the GNU/GPL v2+
basedir="$(dirname "$0")"
[ "${basedir:0:1}" = "/" ] || basedir="$PWD/$basedir"
srcdir="$basedir/src"
bindir="$basedir"
bitparser="python $basedir/../bitfile.py"
function terminate
{
echo "Interrupted."
exit 1
}
trap terminate TERM INT
function usage
{
echo "Usage: build.sh [OPTIONS] [TARGETS]"
echo
echo "Options:"
echo " -h|--help Show this help text"
echo " -v|--verbose Verbose build"
echo
echo "Targets:"
echo "Specify the names of the targets to build, or leave blank to rebuild all."
}
# Parse commandline
verbose=0
nr_targets=0
while [ $# -gt 0 ]; do
if [ "$1" = "-h" -o "$1" = "--help" ]; then
usage
exit 0
fi
if [ "$1" = "-v" -o "$1" = "--verbose" ]; then
verbose=1
shift
continue
fi
target="$1"
target="${target%.bit}" # strip .bit suffix
targets[nr_targets]="$target"
let nr_targets=nr_targets+1
shift
done
function should_build # $1=target
{
target="$1"
[ "$target" = "template" ] && return 1
[ $nr_targets -eq 0 ] && return 0
let end=nr_targets-1
for i in $(seq 0 $end); do
[ ${targets[i]} = "$target" ] && return 0
done
return 1
}
# Check if the payload of two bitfiles matches
function bitfile_is_equal # $1=file1, $2=file2
{
[ -r $1 -a -r $2 ] || return 1
sum1="$($bitparser $1 GETPAYLOAD | sha1sum - | cut -d' ' -f1)"
sum2="$($bitparser $2 GETPAYLOAD | sha1sum - | cut -d' ' -f1)"
[ "$sum1" = "$sum2" ]
}
for src in $srcdir/*; do
[ -d "$src" ] || continue
srcname="$(basename $src)"
logfile="$bindir/$srcname.build.log"
should_build $srcname || continue
echo "Building $srcname..."
make -C $src/ clean >/dev/null
if [ $? -ne 0 ]; then
echo "FAILED to clean $srcname."
exit 1
fi
if [ $verbose -eq 0 ]; then
make -C $src/ all >$logfile
if [ $? -ne 0 ]; then
cat $logfile
echo "FAILED to build $srcname."
exit 1
fi
cat $logfile | grep WARNING
else
make -C $src/ all
if [ $? -ne 0 ]; then
echo "FAILED to build $srcname."
exit 1
fi
fi
new="$src/$srcname.bit"
old="$bindir/$srcname.bit"
if bitfile_is_equal "$old" "$new"; then
echo "Bitfile for target $srcname did not change"
else
cp -f "$new" "$old"
fi
make -C $src/ clean >/dev/null
if [ $? -ne 0 ]; then
echo "FAILED to clean $srcname."
exit 1
fi
rm -f $logfile
done
echo "Successfully built all images."
exit 0
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