84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
from typing import List
|
|
import subprocess
|
|
import os
|
|
import shutil
|
|
|
|
from .base import Simulator
|
|
|
|
class XilinxXSIM(Simulator):
|
|
"""
|
|
Avoid using the Xilinx simulator... Its buggy and extraordinarily slow.
|
|
As observed in v2023.2:
|
|
- Clocking block assignments to struct members do not simulate correctly.
|
|
assignment statements get lost.
|
|
https://support.xilinx.com/s/question/0D54U00007ZIGfXSAX/xsim-bug-xsim-does-not-simulate-struct-assignments-in-clocking-blocks-correctly?language=en_US
|
|
- Streaming bit-swap within a conditional returns a corrupted value
|
|
https://support.xilinx.com/s/question/0D54U00007ZIIBPSA5/xsim-bug-xsim-corrupts-value-of-signal-that-is-bitswapped-within-a-conditional-operator?language=en_US
|
|
"""
|
|
name = "xsim"
|
|
|
|
@classmethod
|
|
def is_installed(cls) -> bool:
|
|
return (
|
|
shutil.which("xvlog") is not None
|
|
and shutil.which("xelab") is not None
|
|
and shutil.which("xsim") is not None
|
|
)
|
|
|
|
def compile(self) -> None:
|
|
cmd = [
|
|
"xvlog", "--sv",
|
|
"--log", "compile.log",
|
|
"--include", os.path.join(os.path.dirname(__file__), ".."),
|
|
"--define", "XILINX_XSIM",
|
|
]
|
|
cmd.extend(self.tb_files)
|
|
subprocess.run(cmd, check=True)
|
|
|
|
cmd = [
|
|
"xelab",
|
|
"--log", "elaborate.log",
|
|
"--timescale", "1ps/1ps",
|
|
"--debug", "all",
|
|
"tb",
|
|
]
|
|
subprocess.run(cmd, check=True)
|
|
|
|
|
|
def run(self, plusargs:List[str] = None) -> None:
|
|
plusargs = plusargs or []
|
|
|
|
test_name = self.testcase.request.node.name
|
|
|
|
# call xsim
|
|
cmd = ["xsim"]
|
|
if self.gui_mode:
|
|
cmd.append("--gui")
|
|
else:
|
|
cmd.append("-R")
|
|
|
|
cmd.extend([
|
|
"--log", "%s.log" % test_name,
|
|
"tb",
|
|
])
|
|
|
|
for plusarg in plusargs:
|
|
cmd.append("--testplusarg")
|
|
cmd.append(plusarg)
|
|
subprocess.run(cmd, check=True)
|
|
|
|
self.assertSimLogPass("%s.log" % test_name)
|
|
|
|
|
|
def assertSimLogPass(self, path: str):
|
|
self.testcase.assertTrue(os.path.isfile(path))
|
|
|
|
with open(path, encoding="utf-8") as f:
|
|
for line in f:
|
|
if line.startswith("Error:"):
|
|
self.testcase.fail(line)
|
|
elif line.startswith("Fatal:"):
|
|
self.testcase.fail(line)
|
|
elif line.startswith("FATAL_ERROR:"):
|
|
self.testcase.fail(line)
|