71 lines
2.3 KiB
Nix
71 lines
2.3 KiB
Nix
{ lib, stdenv, fetchFromGitHub
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, pkg-config, libftdi1
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, python3, pypy3
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# PyPy yields large improvements in build time and runtime performance, and
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# IceStorm isn't intended to be used as a library other than by the nextpnr
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# build process (which is also sped up by using PyPy), so we use it by default.
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# See 18839e1 for more details.
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#
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# FIXME(aseipp, 3/1/2021): pypy seems a bit busted since stdenv upgrade to gcc
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# 10/binutils 2.34, so short-circuit this for now in passthru below (done so
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# that downstream overrides can't re-enable pypy and break their build somehow)
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, usePyPy ? stdenv.hostPlatform.system == "x86_64-linux"
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}:
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stdenv.mkDerivation rec {
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pname = "icestorm";
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version = "2020.12.04";
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passthru = rec {
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pythonPkg = if (false && usePyPy) then pypy3 else python3;
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pythonInterp = pythonPkg.interpreter;
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};
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src = fetchFromGitHub {
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owner = "YosysHQ";
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repo = "icestorm";
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rev = "7afc64b480212c9ac2ce7cb1622731a69a7d212c";
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sha256 = "0vxhqs2fampglg3xlfwb35229iv96kvlwp1gyxrdrmlpznhkqdrk";
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};
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nativeBuildInputs = [ pkg-config ];
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buildInputs = [ passthru.pythonPkg libftdi1 ];
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makeFlags = [ "PREFIX=$(out)" ];
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enableParallelBuilding = true;
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# fix icebox_vlog chipdb path. icestorm issue:
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# https://github.com/cliffordwolf/icestorm/issues/125
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#
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# also, fix up the path to the chosen Python interpreter. for pypy-compatible
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# platforms, it offers significant performance improvements.
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patchPhase = ''
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substituteInPlace ./icebox/icebox_vlog.py \
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--replace /usr/local/share "$out/share"
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for x in icefuzz/Makefile icebox/Makefile icetime/Makefile; do
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substituteInPlace "$x" --replace python3 "${passthru.pythonInterp}"
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done
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for x in $(find . -type f -iname '*.py'); do
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substituteInPlace "$x" \
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--replace '/usr/bin/env python3' '${passthru.pythonInterp}'
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done
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'';
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meta = {
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description = "Documentation and tools for Lattice iCE40 FPGAs";
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longDescription = ''
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Project IceStorm aims at reverse engineering and
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documenting the bitstream format of Lattice iCE40
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FPGAs and providing simple tools for analyzing and
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creating bitstream files.
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'';
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homepage = "http://www.clifford.at/icestorm/";
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license = lib.licenses.isc;
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maintainers = with lib.maintainers; [ shell thoughtpolice emily ];
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platforms = lib.platforms.all;
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};
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}
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