prjxray/fuzzers/061-pcie-conf/generate.py

56 lines
1.3 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2017-2020 The Project X-Ray Authors.
#
# Use of this source code is governed by a ISC-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
# SPDX-License-Identifier: ISC
import json
from prjxray.segmaker import Segmaker
from params import boolean_params, hex_params, int_params
def bitfilter(frame, bit):
# Filter out interconnect bits.
if frame not in [28, 29]:
return False
return True
def main():
segmk = Segmaker("design.bits")
print("Loading tags")
with open('params.json') as f:
params = json.load(f)
site = params['site']
for param, _ in boolean_params:
value = params[param]
segmk.add_site_tag(site, param, value)
for param, digits in hex_params + int_params:
value = int(params[param])
bitstr = [
int(x) for x in "{value:0{digits}b}".format(
value=value, digits=digits)[::-1]
]
for i in range(digits):
segmk.add_site_tag(site, '%s[%u]' % (param, i), bitstr[i])
segmk.compile(bitfilter=bitfilter)
segmk.write()
if __name__ == '__main__':
main()