67 lines
1.9 KiB
Python
67 lines
1.9 KiB
Python
from typing import List
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import subprocess
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import os
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from . import Simulator
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class Xilinx(Simulator):
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"""
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Don't bother using the Xilinx simulator... Its buggy and extraordinarily slow.
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As observed in v2021.1:
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- clocking block assignments do not seem to actually simulate correctly.
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assignment statements get ignored or the values get mangled.
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- Streaming operators have all sorts of limitations.
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Keeping this here in case someday it works better...
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"""
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def compile(self) -> None:
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cmd = [
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"xvlog", "--sv",
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"--include", os.path.join(os.path.dirname(__file__), ".."),
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"--define", "XSIM",
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]
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cmd.extend(self.tb_files)
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subprocess.run(cmd, check=True)
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cmd = [
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"xelab",
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"--timescale", "1ns/1ps",
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"--debug", "all",
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"tb",
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]
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subprocess.run(cmd, check=True)
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def run(self, plusargs:List[str] = None) -> None:
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plusargs = plusargs or []
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test_name = self.testcase_cls_inst.request.node.name
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# call vsim
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cmd = [
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"xsim",
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"--R",
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"--log", "%s.log" % test_name,
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"tb",
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]
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for plusarg in plusargs:
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cmd.append("--testplusarg")
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cmd.append(plusarg)
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subprocess.run(cmd, check=True)
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self.assertSimLogPass("%s.log" % test_name)
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def assertSimLogPass(self, path: str):
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self.testcase_cls_inst.assertTrue(os.path.isfile(path))
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with open(path, encoding="utf-8") as f:
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for line in f:
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if line.startswith("Error:"):
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self.testcase_cls_inst.fail(line)
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elif line.startswith("Fatal:"):
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self.testcase_cls_inst.fail(line)
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elif line.startswith("FATAL_ERROR:"):
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self.testcase_cls_inst.fail(line)
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