diff options
Diffstat (limited to 'techlibs/xilinx/cells_xtra.py')
| -rw-r--r-- | techlibs/xilinx/cells_xtra.py | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/techlibs/xilinx/cells_xtra.py b/techlibs/xilinx/cells_xtra.py index 4915f2a3e..561a61943 100644 --- a/techlibs/xilinx/cells_xtra.py +++ b/techlibs/xilinx/cells_xtra.py @@ -5,6 +5,7 @@ from io import StringIO from enum import Enum, auto import os.path import sys +import re class Cell: @@ -585,6 +586,8 @@ def xtract_cell_decl(cell, dirs, outf): state = State.OUTSIDE found = False # Probably the most horrible Verilog "parser" ever written. + module_ports = [] + invertible_ports = set() for l in f: l = l.partition('//')[0] l = l.strip() @@ -619,6 +622,15 @@ def xtract_cell_decl(cell, dirs, outf): state = State.IN_MODULE elif l == 'endmodule': if state == State.IN_MODULE: + for kind, rng, port in module_ports: + for attr in cell.port_attrs.get(port, []): + outf.write(' (* {} *)\n'.format(attr)) + if port in invertible_ports: + outf.write(' (* invertible_pin = "IS_{}_INVERTED" *)\n'.format(port)) + if rng is None: + outf.write(' {} {};\n'.format(kind, port)) + else: + outf.write(' {} {} {};\n'.format(kind, rng, port)) outf.write(l + '\n') outf.write('\n') elif state != State.IN_OTHER_MODULE: @@ -634,9 +646,11 @@ def xtract_cell_decl(cell, dirs, outf): kind, _, ports = l.partition(' ') for port in ports.split(','): port = port.strip() - for attr in cell.port_attrs.get(port, []): - outf.write(' (* {} *)\n'.format(attr)) - outf.write(' {} {};\n'.format(kind, port)) + if port.startswith('['): + rng, port = port.split() + else: + rng = None + module_ports.append((kind, rng, port)) elif l.startswith('parameter ') and state == State.IN_MODULE: if 'UNPLACED' in l: continue @@ -648,6 +662,9 @@ def xtract_cell_decl(cell, dirs, outf): print('Weird parameter line in {} [{}].'.format(fname, l)) sys.exit(1) outf.write(' {};\n'.format(l)) + match = re.search('IS_([a-zA-Z0-9_]+)_INVERTED', l) + if match: + invertible_ports.add(match[1]) if state != State.OUTSIDE: print('endmodule not found in {}.'.format(fname)) sys.exit(1) |