mirror of https://github.com/openXC7/prjxray.git
80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2017-2023 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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from prjxray.segmaker import Segmaker, add_site_group_zero
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from prjxray import verilog
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def bitfilter(frame, word):
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return frame >= 27
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def main():
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segmk = Segmaker("design.bits", verbose=True)
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# Load tags
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with open("params.json", "r") as fp:
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data = json.load(fp)
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odelay_types = ["FIXED", "VARIABLE", "VAR_LOAD"]
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delay_srcs = ["ODATAIN"]
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# Output tags
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for params in data:
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if params['ODELAY_BYPASS']:
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prims = params['ODELAY_NOT_IN_USE'].split(" ")
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segmk.add_site_tag(prims[0], 'IN_USE', False)
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segmk.add_site_tag(prims[1], 'IN_USE', False)
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continue
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segmk.add_site_tag(params['ODELAY_IN_USE'], 'IN_USE', True)
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segmk.add_site_tag(params['ODELAY_NOT_IN_USE'], 'IN_USE', False)
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loc = verilog.unquote(params["LOC"])
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# Delay type
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# VAR_LOAD and VAR_LOAD_PIPE are the same
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value = verilog.unquote(params["ODELAY_TYPE"])
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add_site_group_zero(
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segmk, loc, "ODELAY_TYPE_", odelay_types, "FIXED", value)
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# Delay value
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value = int(params["ODELAY_VALUE"])
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for i in range(5):
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segmk.add_site_tag(
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loc, "ODELAY_VALUE[%01d]" % i, ((value >> i) & 1) != 0)
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segmk.add_site_tag(
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loc, "ZODELAY_VALUE[%01d]" % i, ((value >> i) & 1) == 0)
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value = verilog.unquote(params["CINVCTRL_SEL"])
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segmk.add_site_tag(loc, "CINVCTRL_SEL", int(value == "TRUE"))
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value = verilog.unquote(params["PIPE_SEL"])
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segmk.add_site_tag(loc, "PIPE_SEL", int(value == "TRUE"))
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if "IS_C_INVERTED" in params and verilog.unquote(params["CINVCTRL_SEL"]) != "TRUE":
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segmk.add_site_tag(
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loc, "IS_C_INVERTED", int(params["IS_C_INVERTED"]))
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segmk.add_site_tag(loc, "ZINV_C", 1 ^ int(params["IS_C_INVERTED"]))
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value = verilog.unquote(params["HIGH_PERFORMANCE_MODE"])
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segmk.add_site_tag(
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loc, "HIGH_PERFORMANCE_MODE", int(value == "TRUE"))
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segmk.add_site_tag(
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loc, "ZINV_ODATAIN", 1 ^ int(params["IS_ODATAIN_INVERTED"]))
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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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