Files
chipyard/scripts/dump-mods.py
2023-01-09 10:25:27 -08:00

85 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python
import json
import argparse
from typing import List, Optional
# Schema of json emitted by circt
"""
{
"instance_name": "TestHarness",
"module_name": "TestHarness",
"instances": [
{
"instance_name": "chiptop",
"module_name": "ChipTop",
"instances": [
{
"instance_name": "system",
"module_name": "DigitalTop",
"instances": [ ]
}, ...
]
},
{
"instance_name": "simdram",
"module_name": "SimDRAM",
"instances": []
},
]
}
"""
def get_modules(js: dict) -> List[str]:
if 'instances' not in js:
return js['module_name']
else:
mods = []
for mod in js['instances']:
mods.extend(get_modules(mod))
return [js['module_name']] + mods
def find_mod_by_name(js: dict, name: str) -> Optional[List[dict]]:
if 'instances' not in js:
return None
else:
mods = []
for mod in js['instances']:
if mod['module_name'] == name:
mods.append(mod)
other_mods = find_mod_by_name(mod, name)
if other_mods is not None:
mods.extend(other_mods)
return mods
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Convert circt hierarchy json into DUT and test harness filelists')
parser.add_argument('--hier-json', type=str, required=True, help='path to hierarchy JSON emitted by firtool')
parser.add_argument('--dut-top', type=str, required=True, help='name of the DUT top-level module')
parser.add_argument('--filelist', type=str, required=True, help='input filelist')
parser.add_argument('--build_dir', type=str, required=True, help='build_dir')
parser.add_argument('--dut-mods', type=str, required=True, help='dut mods')
args = parser.parse_args()
with open(args.hier_json) as f:
j = json.load(f)
dut_tops = find_mod_by_name(j, args.dut_top)
assert dut_tops is not None
assert len(dut_tops) == 1
dut_top = dut_tops[0]
dut_mods = set(get_modules(dut_top))
tb_mods = set(get_modules(j)) - dut_mods
both_mods = dut_mods.intersection(tb_mods)
#print(dut_mods)
#print(tb_mods)
#print(both_mods)
assert len(both_mods) == 0
with open(args.dut_mods, 'w') as df:
with open(args.filelist) as fl:
for path in fl:
writeOut = True
for dm in dut_mods:
if dm in path:
# don't write
writeOut = False
break
if writeOut:
df.write(f"{args.build_dir}/{path}")