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