Files
chipyard/scripts/split-mems-conf.py
abejgonzalez f9b938ad55 Update all
2023-01-09 10:27:07 -08:00

82 lines
2.6 KiB
Python
Executable File

#!/usr/bin/env python
import json
import argparse
from typing import List, Optional
# Schema of json emitted by circt
"""
{
"module_name": "mem_ext",
"depth": 512,
"width": 64,
"masked": true,
"read": false,
"write": false,
"readwrite": true,
"mask_granularity": 8,
"extra_ports": [],
"hierarchy": [
"TestHarness.ram.srams.mem.mem_ext"
]
}
"""
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='Use CIRCT (firtool) smems JSONs to create DUT and test harness smems confs')
parser.add_argument('--in-smems-conf', type=str, required=True, help='')
parser.add_argument('--in-dut-smems-json', type=str, required=True, help='')
parser.add_argument('--in-tb-smems-json', type=str, required=True, help='')
parser.add_argument('--out-dut-smems-conf', type=str, required=True, help='')
parser.add_argument('--out-tb-smems-conf', type=str, required=True, help='')
args = parser.parse_args()
with open(args.in_smems_conf) as isc:
with open(args.in_dut_smems_json) as idsj:
with open(args.in_tb_smems_json) as itsj:
idsj_data = json.load(idsj)
itsj_data = json.load(itsj)
dut_mods = set()
for e in idsj_data:
dut_mods.add(e['module_name'])
tb_mods = set()
for e in itsj_data:
tb_mods.add(e['module_name'])
with open(args.out_dut_smems_conf, "w") as odsc:
with open(args.out_tb_smems_conf, "w") as otsc:
for l in isc:
sl = l.split()
name = sl[1]
if name in dut_mods:
odsc.write(l)
elif name in tb_mods:
otsc.write(l)
else:
assert False, "Unable to find smem CONF module in firtool emitted JSON files."