mirror of https://github.com/openXC7/prjxray.git
Merge pull request #1592 from antmicro/fix-iob-lvds-tmds
030-iob: improve rdb processing for LVDS and TMDS
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litghost
GitHub
commit
6867429cc3
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@ -64,33 +64,35 @@ def filter_bits(site, bits):
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return frozenset(inner())
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def process_features_sets(iostandard_lines, only_diff=False):
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def process_features_sets(iostandard_lines):
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sites = {}
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for l in iostandard_lines:
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feature = get_name(l)
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feature_parts = feature.split('.')
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site = get_site(l)
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iostandard = feature_parts[2]
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for iostd_type, iostd_list in iostandard_lines.items():
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for iostd_line in iostd_list:
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feature = get_name(iostd_line)
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feature_parts = feature.split('.')
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site = get_site(iostd_line)
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iostandard = feature_parts[2]
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bits = parse_bits(l)
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bits = filter_bits(site, bits)
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bits = parse_bits(iostd_line)
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bits = filter_bits(site, bits)
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if site not in sites:
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sites[site] = {}
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key = (site, iostd_type)
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if key not in sites:
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sites[key] = {}
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group = feature_parts[3]
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if group not in sites[site]:
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sites[site][group] = {}
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group = feature_parts[3]
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if group not in sites[key]:
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sites[key][group] = {}
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if group in ['DRIVE', 'SLEW']:
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enum = feature_parts[4]
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sites[site][group][(iostandard, enum)] = bits
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elif group in ['IN', 'IN_DIFF', 'IN_ONLY', 'IN_USE', 'OUT', 'STEPDOWN',
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'ZIBUF_LOW_PWR']:
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sites[site][group][(iostandard, None)] = bits
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else:
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assert False, group
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if group in ['DRIVE', 'SLEW']:
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enum = feature_parts[4]
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sites[key][group][(iostandard, enum)] = bits
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elif group in ['IN', 'IN_DIFF', 'IN_ONLY', 'IN_USE', 'OUT',
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'STEPDOWN', 'ZIBUF_LOW_PWR']:
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sites[key][group][(iostandard, None)] = bits
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else:
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assert False, group
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for site in sites:
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for iostandard, enum in sites[site]['DRIVE']:
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@ -102,40 +104,41 @@ def process_features_sets(iostandard_lines, only_diff=False):
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iostandard, enum)]
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common_bits = {}
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for site in sites:
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for group in sites[site]:
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for site, iostd_type in sites:
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for group in sites[(site, iostd_type)]:
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if (site, group) not in common_bits:
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common_bits[(site, group)] = set()
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for bits in sites[site][group].values():
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for bits in sites[(site, iostd_type)][group].values():
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common_bits[(site, group)] |= bits
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slew_in_drives = {}
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for site in sites:
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for site, iostd_type in sites:
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common_bits[(site, 'IN')] |= common_bits[(site, 'IN_DIFF')]
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common_bits[(site, 'IN_DIFF')] |= common_bits[(site, 'IN')]
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# Only DIFF IOSTANDARDS such as LVDS or TMDS do not have DRIVE,
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# STEPDOWN or SLEW features
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if not only_diff:
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if iostd_type == "NORMAL":
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key = (site, iostd_type)
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common_bits[(site, 'DRIVE')] -= common_bits[(site, 'SLEW')]
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common_bits[(site, 'DRIVE')] -= common_bits[(site, 'STEPDOWN')]
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common_bits[(site, 'IN_ONLY')] |= common_bits[(site, 'DRIVE')]
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common_bits[(site, 'IN_ONLY')] -= common_bits[(site, 'STEPDOWN')]
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for iostandard, enum in sites[site]['DRIVE']:
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for iostandard, enum in sites[key]['DRIVE']:
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slew_in_drive = common_bits[
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(site, 'SLEW')] & sites[site]['DRIVE'][(iostandard, enum)]
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(site, 'SLEW')] & sites[key]['DRIVE'][(iostandard, enum)]
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if slew_in_drive:
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if (site, iostandard) not in slew_in_drives:
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slew_in_drives[(site, iostandard)] = set()
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if (key, iostandard) not in slew_in_drives:
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slew_in_drives[(key, iostandard)] = set()
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slew_in_drives[(site, iostandard)] |= slew_in_drive
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sites[site]['DRIVE'][(iostandard, enum)] -= slew_in_drive
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slew_in_drives[(key, iostandard)] |= slew_in_drive
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sites[key]['DRIVE'][(iostandard, enum)] -= slew_in_drive
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sites[site]['DRIVE'][(iostandard,
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enum)] -= common_bits[(site, 'STEPDOWN')]
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sites[key]['DRIVE'][(iostandard,
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enum)] -= common_bits[(site, 'STEPDOWN')]
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for site, iostandard in slew_in_drives:
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for _, enum in sites[site]['SLEW']:
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@ -148,20 +151,30 @@ def process_features_sets(iostandard_lines, only_diff=False):
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iostandard, None)]
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for iostandard, enum in sites[site]['IN']:
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if sites[site]['IN_DIFF'][(iostandard, enum)]:
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_, iostd_type = site
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if iostd_type == "ONLY_DIFF":
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sites[site]['IN_DIFF'][(iostandard, enum)] = \
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sites[site]['IN'][(iostandard, enum)]
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elif sites[site]['IN_DIFF'][(iostandard, enum)]:
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sites[site]['IN_DIFF'][(iostandard, enum)] |= \
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sites[site]['IN'][(iostandard, enum)]
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if not only_diff:
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for site in sites:
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del sites[site]['OUT']
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del sites[site]['IN_USE']
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for site, iostd_type in sites:
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del sites[(site, iostd_type)]['IN_USE']
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if iostd_type == "NORMAL":
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del sites[(site, iostd_type)]['OUT']
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allow_zero = ['SLEW']
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for site in sites:
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for group in sites[site]:
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common_groups = {}
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common_groups = dict()
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for site, iostd_type in sites:
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if site not in common_groups:
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common_groups[site] = dict()
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key = (site, iostd_type)
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for group in sites[key]:
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if iostd_type == "ONLY_DIFF" and group == "IN":
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continue
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# Merge features that are identical.
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#
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@ -171,40 +184,40 @@ def process_features_sets(iostandard_lines, only_diff=False):
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# IOB33.IOB_Y1.LVCMOS18.IN 38_42 39_41
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#
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# Must be grouped.
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for (iostandard, enum), bits in sites[site][group].items():
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if bits not in common_groups:
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common_groups[bits] = {
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for (iostandard, enum), bits in sites[key][group].items():
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if (bits, group) not in common_groups[site]:
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common_groups[site][(bits, group)] = {
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'IOSTANDARDS': set(),
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'enums': set(),
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}
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common_groups[bits]['IOSTANDARDS'].add(iostandard)
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common_groups[site][(bits,
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group)]['IOSTANDARDS'].add(iostandard)
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if enum is not None:
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common_groups[bits]['enums'].add(enum)
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common_groups[site][(bits, group)]['enums'].add(enum)
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for bits, v in common_groups.items():
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if v['enums']:
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feature = 'IOB33.{site}.{iostandards}.{group}.{enums}'.format(
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site=site,
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iostandards='_'.join(sorted(v['IOSTANDARDS'])),
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group=group,
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enums='_'.join(sorted(v['enums'])),
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)
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else:
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feature = 'IOB33.{site}.{iostandards}.{group}'.format(
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site=site,
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iostandards='_'.join(sorted(v['IOSTANDARDS'])),
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group=group,
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)
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for site, groups in common_groups.items():
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for (bits, group), v in groups.items():
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if v['enums']:
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feature = 'IOB33.{site}.{iostandards}.{group}.{enums}'.format(
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site=site,
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iostandards='_'.join(sorted(v['IOSTANDARDS'])),
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group=group,
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enums='_'.join(sorted(v['enums'])),
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)
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else:
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feature = 'IOB33.{site}.{iostandards}.{group}'.format(
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site=site,
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iostandards='_'.join(sorted(v['IOSTANDARDS'])),
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group=group,
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)
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if not bits and group not in allow_zero:
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continue
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if not bits and group not in allow_zero:
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continue
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neg_bits = frozenset(
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'!{}'.format(b)
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for b in (common_bits[(site, group)] - bits))
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print(
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'{} {}'.format(feature, ' '.join(sorted(bits | neg_bits))))
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neg_bits = frozenset(
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'!{}'.format(b) for b in (common_bits[(site, group)] - bits))
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print('{} {}'.format(feature, ' '.join(sorted(bits | neg_bits))))
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def main():
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@ -215,20 +228,22 @@ def main():
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args = parser.parse_args()
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iostandard_lines = []
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iostandard_lines_only_diff = []
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iostandard_lines = {
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"NORMAL": list(),
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"ONLY_DIFF": list(),
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}
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with open(args.input_rdb) as f:
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for l in f:
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if ('.SSTL' in l or '.LVCMOS' in l
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or '.LVTTL' in l) and 'IOB_' in l:
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iostandard_lines.append(l)
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iostandard_lines["NORMAL"].append(l)
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elif ('.TMDS' in l or 'LVDS' in l):
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iostandard_lines_only_diff.append(l)
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iostandard_lines["ONLY_DIFF"].append(l)
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else:
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print(l.strip())
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process_features_sets(iostandard_lines)
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process_features_sets(iostandard_lines_only_diff, True)
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if __name__ == "__main__":
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