mirror of https://github.com/YosysHQ/icestorm.git
70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
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# Test case for `icebox_hlc2asc': Does net name translation work correctly?
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# Copyright (C) 2017 Roland Lutz
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#
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# This program is free software: you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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import sys
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import icebox
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from icebox_asc2hlc import translate_netname
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from icebox_hlc2asc import untranslate_netname
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def test_netname_translation(ic):
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sys.stderr.write("testing backward netname translation "
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"for the `%s' device...\n" % ic.device)
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all_tiles = set()
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for x in range(ic.max_x + 1):
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for y in range(ic.max_y + 1):
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if ic.tile(x, y) is not None:
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all_tiles.add((x, y))
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netnames = set()
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failed = False
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for group in ic.group_segments(all_tiles, connect_gb = False):
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is_span = set(net.startswith('sp') for x, y, net in group)
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assert len(is_span) == 1
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if True not in is_span:
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# only span nets are interesting here
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continue
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netname = translate_netname(group[0][0], group[0][1],
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ic.max_x - 1, ic.max_y - 1, group[0][2])
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if netname in netnames:
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failed = True
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print("duplicate netname: %s" % netname)
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netnames.add(netname)
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for x, y, net in group:
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s = untranslate_netname(x, y, ic.max_x - 1, ic.max_y - 1, netname)
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if s != net:
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failed = True
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print("%-20s %s -> %s" % ("%d %d %s" % (x, y, net), netname, s))
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if failed:
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sys.stderr.write("ERROR\n")
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sys.exit(1)
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def main():
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ic = icebox.iceconfig()
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ic.setup_empty_384()
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test_netname_translation(ic)
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ic = icebox.iceconfig()
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ic.setup_empty_1k()
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test_netname_translation(ic)
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ic = icebox.iceconfig()
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ic.setup_empty_8k()
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test_netname_translation(ic)
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if __name__ == '__main__':
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main()
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