66 lines
2.1 KiB
Nix
66 lines
2.1 KiB
Nix
{ stdenv, fetchFromGitHub
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, pkgconfig, libftdi1
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, python3, pypy3
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# PyPy yields large improvements in build time and runtime performance,
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# and IceStorm isn't intended to be used as a library other than by the
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# nextpnr build process (which is also sped up by using PyPy), so we
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# use it by default. See 18839e1 for more details.
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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 = "2020.07.08";
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passthru = rec {
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pythonPkg = if 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 = "cliffordwolf";
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repo = "icestorm";
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rev = "d12308775684cf43ab923227235b4ad43060015e";
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sha256 = "18ykv6np8sp7rb7c1cm3ha3qnj280gpkyn476faahb15jh0nbjmw";
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};
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nativeBuildInputs = [ pkgconfig ];
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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 = stdenv.lib.licenses.isc;
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maintainers = with stdenv.lib.maintainers; [ shell thoughtpolice emily ];
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platforms = stdenv.lib.platforms.all;
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};
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}
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