mirror of https://github.com/openXC7/prjxray.git
67 lines
1.6 KiB
Python
67 lines
1.6 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2017-2020 The Project X-Ray Authors.
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#
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# Use of this source code is governed by a ISC-style
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# license that can be found in the LICENSE file or at
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# https://opensource.org/licenses/ISC
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#
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# SPDX-License-Identifier: ISC
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import json
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import os
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from prjxray.segmaker import Segmaker
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BIN = "BIN"
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BOOL = "BOOL"
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def bitfilter(frame, bit):
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# Filter out interconnect bits.
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if frame not in [28, 29]:
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return False
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return True
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def main():
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segmk = Segmaker("design.bits")
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fuz_dir = os.getenv("FUZDIR", None)
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assert fuz_dir
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with open(os.path.join(fuz_dir, "attrs.json"), "r") as attr_file:
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attrs = json.load(attr_file)
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print("Loading tags")
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with open('params.json') as f:
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params = json.load(f)
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site = params['site']
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for param, param_info in attrs.items():
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value = params[param]
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param_type = param_info["type"]
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param_digits = param_info["digits"]
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param_values = param_info["values"]
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if param_type == BIN:
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bitstr = [
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int(x) for x in "{value:0{digits}b}".format(
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value=value, digits=param_digits)[::-1]
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]
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for i in range(param_digits):
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segmk.add_site_tag(site, "%s[%u]" % (param, i), bitstr[i])
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else:
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assert param_type == BOOL
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segmk.add_site_tag(site, param, value == "TRUE")
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segmk.compile(bitfilter=bitfilter)
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segmk.write()
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if __name__ == '__main__':
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main()
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