mirror of
https://git.sr.ht/~kivikakk/niar
synced 2024-12-22 23:52:25 +00:00
support zig builds.
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parent
071f1cef41
commit
a4b04502b6
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@ -1,5 +1,7 @@
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import json
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import logging
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import os
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import shutil
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import subprocess
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from enum import Enum
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from functools import partial
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@ -31,13 +33,19 @@ CXXFLAGS = [
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class _Optimize(Enum):
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none = "none"
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rtl = "rtl"
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app = "app"
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both = "both"
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def __str__(self):
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return self.value
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@property
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def opt_rtl(self) -> bool:
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return self in (self.rtl,)
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return self in (self.rtl, self.both)
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@property
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def opt_app(self) -> bool:
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return self in (self.app, self.both)
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def add_arguments(np: Project, parser):
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@ -86,6 +94,8 @@ def add_arguments(np: Project, parser):
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def main(np: Project, args):
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yosys = find_yosys(lambda ver: ver >= (0, 10))
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os.makedirs(np.path.build(), exist_ok=True)
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platform = np.cxxrtl_target_by_name(args.target)
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design = construct_top(np, platform)
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@ -113,6 +123,11 @@ def main(np: Project, args):
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*(["-O3"] if args.optimize.opt_rtl else ["-O0"]),
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*(["-g"] if args.debug else []),
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]
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if platform.uses_zig:
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cxxflags += [
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"-DCXXRTL_INCLUDE_CAPI_IMPL",
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"-DCXXRTL_INCLUDE_VCD_CAPI_IMPL",
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]
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procs = []
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compile_commands = {}
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@ -128,6 +143,8 @@ def main(np: Project, args):
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"-o",
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str(o_path),
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]
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if platform.uses_zig:
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cmd = ["zig"] + cmd
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compile_commands[o_path] = cmd
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logger.debug(" ".join(str(e) for e in cmd))
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procs.append((cc_path, subprocess.Popen(cmd)))
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@ -157,6 +174,24 @@ def main(np: Project, args):
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raise RuntimeError("failed compile step")
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exe_o_path = np.path.build("cxxrtl")
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if platform.uses_zig:
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# Zig really wants relative paths.
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joined_o_paths = ",".join(
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f"../{p.relative_to(np.path())}" for p in cc_o_paths.values()
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)
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cmd = [
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"zig",
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"build",
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f"-Dclock_hz={int(platform.default_clk_frequency)}",
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f"-Dyosys_data_dir={yosys.data_dir()}",
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f"-Dcxxrtl_o_paths={joined_o_paths}",
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]
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if args.optimize.opt_app:
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cmd += ["-Doptimize=ReleaseFast"]
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logger.debug(" ".join(str(e) for e in cmd))
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subprocess.run(cmd, cwd="cxxrtl", check=True)
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shutil.copy("cxxrtl/zig-out/bin/cxxrtl", exe_o_path)
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else:
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cmd = [
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"c++",
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*cxxflags,
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@ -5,3 +5,4 @@ __all__ = ["CxxrtlPlatform"]
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class CxxrtlPlatform(metaclass=ABCMeta):
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default_clk_frequency = property(abstractmethod(lambda _: None))
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uses_zig = False
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