Files
remotesyn/remotesyn/toolchains/isim.py
2022-10-14 21:39:56 +02:00

97 lines
3.4 KiB
Python

import shutil
import os
import time
import subprocess
def do(config, target, log, subprocesses, prefix='.'):
shutil.rmtree(config.get('project', 'build_dir', fallback='build'), True)
log("Starting simulation")
log(" - parsing options")
toplevel = config.get(f'target.{target}', 'toplevel', fallback='toplevel')
vcdlevels = config.get(f'target.{target}', 'vcdlevels', fallback='10')
runtime = config.get(f'target.{target}', 'runtime', fallback='100 ns')
fuse_opts = config.get(f'target.{target}', 'fuse_opts', fallback='')
isim_opts = config.get(f'target.{target}', 'isim_opts', fallback='')
files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split()
files_other = config.get(f'target.{target}', 'files_other', fallback='').split()
build_dir = config.get(f'project', 'build_dir', fallback='build')
out_dir = config.get(f'project', 'out_dir', fallback='out')
prefix = f'{os.getcwd()}/{prefix}'
build_dir = f'{prefix}/{build_dir}'
out_dir = f'{prefix}/{out_dir}/{target}'
fuse_opts = fuse_opts.replace("~D~", prefix)
isim_opts = isim_opts.replace("~D~", prefix)
log(" - creating output directories")
os.makedirs(build_dir, exist_ok=True)
os.makedirs(out_dir, exist_ok=True)
log(" - copy needed files")
for f in files_other:
d = os.path.dirname(f)
os.makedirs(f"{build_dir}/{d}", exist_ok=True)
shutil.copy(f"{prefix}/{f}", f"{build_dir}/{f}")
log(" - writing project file")
with open(f'{build_dir}/sim.prj', 'w') as f:
for s in files_vhdl:
if s=='':
continue
f.write(f"vhdl work {prefix}/{s}\n")
for s in files_verilog:
if s=='':
continue
f.write(f"verilog work {prefix}/{s}\n")
log(" - run fuse")
p = subprocess.Popen(f"fuse -v 2 {fuse_opts} {toplevel} -prj sim.prj -o sim -incremental > ffuse.log",
shell=True, cwd=build_dir,
stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
subprocesses.append(p)
while p.poll() is None:
time.sleep(1)
res = p.returncode
log(" - copy logs")
shutil.copy(f'{build_dir}/fuse.log', f'{out_dir}/fuse.log')
if res!=0:
log("ERROR: fuse returned with:", res)
return res
log(" - writing simulation file")
with open(f'{build_dir}/sim.tcl', 'w') as f:
f.write("onerror {resume}\n")
f.write("vcd dumpfile sim.vcd\n")
f.write(f"vcd dumpvars -m {toplevel.split()[0]} -l {vcdlevels}\n")
f.write("vcd dumpon\n")
f.write(f"run {runtime}\n")
f.write("vcd dumpflush\nquit\n")
log(" - run sim")
p = subprocess.Popen(f"./sim {isim_opts} -tclbatch sim.tcl | tee sim.log",
shell=True, cwd=build_dir,
stdin=subprocess.DEVNULL,
# stdout=subprocess.DEVNULL,
# stderr=subprocess.DEVNULL
)
subprocesses.append(p)
while p.poll() is None:
time.sleep(1)
res = p.returncode
log(" - copy logs")
shutil.copy(f'{build_dir}/sim.log', f'{out_dir}/sim.log')
if res==0:
log(" - copy output files")
shutil.copy(f'{build_dir}/sim.vcd', f'{out_dir}/{target}.vcd')
else:
log("ERROR: sim returned with:", res)
return res