diff options
Diffstat (limited to 'nixpkgs/pkgs/development/embedded/fpga/icestorm/default.nix')
-rw-r--r-- | nixpkgs/pkgs/development/embedded/fpga/icestorm/default.nix | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/embedded/fpga/icestorm/default.nix b/nixpkgs/pkgs/development/embedded/fpga/icestorm/default.nix new file mode 100644 index 000000000000..2644821529b7 --- /dev/null +++ b/nixpkgs/pkgs/development/embedded/fpga/icestorm/default.nix @@ -0,0 +1,70 @@ +{ lib, stdenv, fetchFromGitHub +, pkg-config, 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. +# +# FIXME(aseipp, 3/1/2021): pypy seems a bit busted since stdenv upgrade to gcc +# 10/binutils 2.34, so short-circuit this for now in passthru below (done so +# that downstream overrides can't re-enable pypy and break their build somehow) +, usePyPy ? stdenv.hostPlatform.system == "x86_64-linux" +}: + +stdenv.mkDerivation rec { + pname = "icestorm"; + version = "2020.12.04"; + + passthru = rec { + pythonPkg = if (false && usePyPy) then pypy3 else python3; + pythonInterp = pythonPkg.interpreter; + }; + + src = fetchFromGitHub { + owner = "YosysHQ"; + repo = "icestorm"; + rev = "7afc64b480212c9ac2ce7cb1622731a69a7d212c"; + sha256 = "0vxhqs2fampglg3xlfwb35229iv96kvlwp1gyxrdrmlpznhkqdrk"; + }; + + nativeBuildInputs = [ pkg-config ]; + buildInputs = [ passthru.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 "$x" --replace python3 "${passthru.pythonInterp}" + done + + for x in $(find . -type f -iname '*.py'); do + substituteInPlace "$x" \ + --replace '/usr/bin/env python3' '${passthru.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 = lib.licenses.isc; + maintainers = with lib.maintainers; [ shell thoughtpolice emily ]; + platforms = lib.platforms.all; + }; +} |