71 lines
1.6 KiB
Nix
71 lines
1.6 KiB
Nix
{ lib
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, buildPythonPackage
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, pythonOlder
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, fetchFromGitHub
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, setuptools
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, setuptools_scm
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, pyvcd
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, bitarray
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, jinja2
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# nmigen.{test,build} call out to these
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, yosys
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, symbiyosys
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, nextpnr ? null
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, icestorm ? null
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, trellis ? null
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# for tests
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, yices
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}:
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buildPythonPackage rec {
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pname = "nmigen";
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version = "unstable-2019-09-28";
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# python setup.py --version
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realVersion = "0.1.dev689+g${lib.substring 0 7 src.rev}";
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src = fetchFromGitHub {
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owner = "m-labs";
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repo = "nmigen";
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rev = "a02e3750bfeba44bcaad4c5de8d9eb0ef055d9c6";
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sha256 = "0m399c2nm7y54q2f0fbkmi4h35csbc2llckm6k9kqdf5qc6355wd";
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};
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disabled = pythonOlder "3.6";
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nativeBuildInputs = [ setuptools_scm ];
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propagatedBuildInputs = [ setuptools pyvcd bitarray jinja2 ];
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checkInputs = [ yosys yices ];
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postPatch = let
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tool = pkg: name:
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if pkg == null then {} else { ${name} = "${pkg}/bin/${name}"; };
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# Only FOSS toolchain supported out of the box, sorry!
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toolchainOverrides =
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tool yosys "yosys" //
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tool symbiyosys "sby" //
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tool nextpnr "nextpnr-ice40" //
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tool nextpnr "nextpnr-ecp5" //
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tool icestorm "icepack" //
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tool trellis "ecppack";
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in ''
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substituteInPlace nmigen/_toolchain.py \
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--replace 'overrides = {}' \
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'overrides = ${builtins.toJSON toolchainOverrides}'
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'';
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preBuild = ''
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export SETUPTOOLS_SCM_PRETEND_VERSION="${realVersion}"
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'';
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meta = with lib; {
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description = "A refreshed Python toolbox for building complex digital hardware";
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homepage = https://github.com/m-labs/nmigen;
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license = licenses.bsd0;
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maintainers = with maintainers; [ emily ];
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};
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}
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