nixpkgs/pkgs/development/tools/icestorm/default.nix
2019-09-28 16:55:21 -05:00

65 lines
2.1 KiB
Nix

{ stdenv, fetchFromGitHub
, pkgconfig, libftdi1
, python3, pypy3
# PyPy yields large improvements in build time and runtime performance,
# and IceStorm isn't intended to be used as a library other than by the
# nextpnr build process (which is also sped up by using PyPy), so we
# use it by default. See 18839e1 for more details.
, usePyPy ? stdenv.hostPlatform.system == "x86_64-linux"
}:
stdenv.mkDerivation rec {
pname = "icestorm";
version = "2019.09.13";
pythonPkg = if usePyPy then pypy3 else python3;
pythonInterp = pythonPkg.interpreter;
src = fetchFromGitHub {
owner = "cliffordwolf";
repo = "icestorm";
rev = "0ec00d892a91cc68e45479b46161f649caea2933";
sha256 = "1qlh99fafb7xga702k64fmc9m700nsddrfgcq4x8qn8fplsb64f1";
};
nativeBuildInputs = [ pkgconfig ];
buildInputs = [ pythonPkg libftdi1 ];
makeFlags = [ "PREFIX=$(out)" ];
enableParallelBuilding = true;
# fix icebox_vlog chipdb path. icestorm issue:
# https://github.com/cliffordwolf/icestorm/issues/125
#
# also, fix up the path to the chosen Python interpreter. for pypy-compatible
# platforms, it offers significant performance improvements.
patchPhase = ''
substituteInPlace ./icebox/icebox_vlog.py \
--replace /usr/local/share "$out/share"
for x in icefuzz/Makefile icebox/Makefile icetime/Makefile; do
substituteInPlace "$x" --replace python3 "${pythonInterp}"
done
for x in $(find . -type f -iname '*.py'); do
substituteInPlace "$x" \
--replace '/usr/bin/env python3' '${pythonInterp}'
done
'';
meta = {
description = "Documentation and tools for Lattice iCE40 FPGAs";
longDescription = ''
Project IceStorm aims at reverse engineering and
documenting the bitstream format of Lattice iCE40
FPGAs and providing simple tools for analyzing and
creating bitstream files.
'';
homepage = http://www.clifford.at/icestorm/;
license = stdenv.lib.licenses.isc;
maintainers = with stdenv.lib.maintainers; [ shell thoughtpolice emily ];
platforms = stdenv.lib.platforms.all;
};
}