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Add a 'Remote XSI' class for running tests agains RTL sim #67

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Add a 'Remote XSI' class for running tests agains RTL sim #67

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0daa8da
Add remote XSI support
CiaranWoodward Jul 23, 2026
23c430a
Don't load XE file on RTL. Fix remote xsi rpc lib import.
CiaranWoodward Jul 28, 2026
fc65181
DONTMERGE: Hack in Remote XSI usage for a smoke test
CiaranWoodward Jul 28, 2026
a261e56
DONTMERGE: Hack in XE file override for smoke test
CiaranWoodward Jul 31, 2026
8f85b3e
Fix invalid positional argument to xsi terminate
CiaranWoodward Jul 31, 2026
7ddea96
DONTMERGE: Don't timeout the test if running on a remote server
CiaranWoodward Jul 31, 2026
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7 changes: 6 additions & 1 deletion examples/pyxsim/example_pyxsim.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
# Copyright 2025-2026 XMOS LIMITED.
# This Software is subject to the terms of the XMOS Public Licence: Version 1.
import os
from pathlib import Path

import Pyxsim
Expand All @@ -20,7 +21,11 @@ def run(self) -> None:


def main() -> None:
xe = Path(__file__).parent / "bin" / "example_pyxsim.xe"
XE_OVERRIDE = os.environ.get("XE_FILE_OVERRIDE")
if XE_OVERRIDE:
xe = Path(XE_OVERRIDE)
else:
xe = Path(__file__).parent / "bin" / "example_pyxsim.xe"
assert xe.exists()

Pyxsim.run_with_pyxsim(
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11 changes: 10 additions & 1 deletion lib/python/Pyxsim/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
from . import pyxsim
from Pyxsim.xe import Xe
from Pyxsim.pyxsim import Xsi
from Pyxsim.pyxsim import XsiRemote


# This function is called automatically by the runners
Expand Down Expand Up @@ -195,7 +196,12 @@ def run_on_simulator(*args, **kwargs):


def do_run_pyxsim(xe, simargs, appargs, simthreads, plugins=None):
xsi = pyxsim.Xsi(xe_path=xe, simargs=simargs, appargs=appargs)
# Get XSI_ENDPOINT environment variable if set, otherwise use local
xsi_endpoint = os.environ.get("XSI_ENDPOINT")
if xsi_endpoint:
xsi = pyxsim.XsiRemote(xsi_endpoint, xe_path=xe, simargs=simargs, appargs=appargs)
else:
xsi = pyxsim.Xsi(xe_path=xe, simargs=simargs, appargs=appargs)
for x in simthreads:
xsi.register_simthread(x)
if plugins:
Expand Down Expand Up @@ -257,6 +263,9 @@ def run_with_pyxsim(

simargs += ["--vcd-tracing", vcd_args]

if os.environ.get("XSI_ENDPOINT"):
timeout = None # Don't timeout when running on remote server

p = ctx.Process(
target=do_run_pyxsim, args=(xe_path, simargs, appargs, simthreads, plugins)
)
Expand Down
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