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yosys/techlibs/lattice/cells_xtra.py

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Python
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#!/usr/bin/env python3
# Based on Xilinx cells_xtra.py; modified for Lattice's structure
from argparse import ArgumentParser
from io import StringIO
from enum import Enum, auto
import os.path
import sys
import re
class Cell:
def __init__(self, name, keep=False, port_attrs={}):
self.name = name
self.keep = keep
self.port_attrs = port_attrs
self.found = False
class State(Enum):
OUTSIDE = auto()
IN_MODULE = auto()
IN_OTHER_MODULE = auto()
IN_FUNCTION = auto()
IN_TASK = auto()
devices = [
("cells_bb_ecp5.v", "ecp5u", [
#Cell("AND2"),
#Cell("AND3"),
#Cell("AND4"),
#Cell("AND5"),
#Cell("BB"),
#Cell("BBPD"),
#Cell("BBPU"),
#Cell("CCU2C"),
#Cell("FD1P3AX"),
#Cell("FD1P3AY"),
#Cell("FD1P3BX"),
#Cell("FD1P3DX"),
#Cell("FD1P3IX"),
#Cell("FD1P3JX"),
#Cell("FD1S3AX"),
#Cell("FD1S3AY"),
#Cell("FD1S3BX"),
#Cell("FD1S3DX"),
#Cell("FD1S3IX"),
#Cell("FD1S3JX"),
#Cell("FL1P3AY"),
#Cell("FL1P3AZ"),
#Cell("FL1P3BX"),
#Cell("FL1P3DX"),
#Cell("FL1P3IY"),
#Cell("FL1P3JY"),
#Cell("FL1S3AX"),
#Cell("FL1S3AY"),
Cell("GSR", True),
#Cell("IB"),
#Cell("IBPD"),
#Cell("IBPU"),
#Cell("IFS1P3BX"),
#Cell("IFS1P3DX"),
#Cell("IFS1P3IX"),
#Cell("IFS1P3JX"),
#Cell("IFS1S1B"),
#Cell("IFS1S1D"),
#Cell("IFS1S1I"),
#Cell("IFS1S1J"),
#Cell("ILVDS"),
#Cell("INV"),
#Cell("L6MUX21"),
#Cell("LUT4"),
#Cell("LUT5"),
#Cell("LUT6"),
#Cell("LUT7"),
#Cell("LUT8"),
#Cell("MUX161"),
#Cell("MUX21"),
#Cell("MUX321"),
#Cell("MUX41"),
#Cell("MUX81"),
#Cell("ND2"),
#Cell("ND3"),
#Cell("ND4"),
#Cell("ND5"),
#Cell("NR2"),
#Cell("NR3"),
#Cell("NR4"),
#Cell("NR5"),
#Cell("OB"),
#Cell("OBCO"),
#Cell("OBZ"),
#Cell("OBZPU"),
#Cell("OFS1P3BX"),
#Cell("OFS1P3DX"),
#Cell("OFS1P3IX"),
#Cell("OFS1P3JX"),
#Cell("OLVDS"),
#Cell("OR2"),
#Cell("OR3"),
#Cell("OR4"),
#Cell("OR5"),
#Cell("PFUMX"),
Cell("PUR"),
#Cell("ROM128X1A"),
#Cell("ROM16X1A"),
#Cell("ROM256X1A"),
#Cell("ROM32X1A"),
#Cell("ROM64X1A"),
Cell("SGSR", True),
#Cell("VHI"),
#Cell("VLO"),
#Cell("XNOR2"),
#Cell("XNOR3"),
#Cell("XNOR4"),
#Cell("XNOR5"),
#Cell("XOR11"),
#Cell("XOR2"),
#Cell("XOR21"),
#Cell("XOR3"),
#Cell("XOR4"),
#Cell("XOR5"),
Cell("DP16KD"),
Cell("PDPW16KD"),
#Cell("DPR16X4C"),
#Cell("SPR16X4C"),
#Cell("LVDSOB"),
#Cell("IMIPI"),
#Cell("MULT9X9C"),
#Cell("MULT9X9D"),
#Cell("MULT18X18C"),
Cell("MULT18X18D"),
#Cell("ALU24A"),
#Cell("ALU54A"),
#Cell("ALU24B"),
Cell("ALU54B"),
#Cell("PRADD9A"),
#Cell("PRADD18A"),
#Cell("BCINRD"),
#Cell("BCLVDSOB"),
#Cell("INRDB"),
Cell("CLKDIVF"),
Cell("PCSCLKDIV"),
Cell("DCSC"),
Cell("DCCA"),
Cell("ECLKSYNCB"),
Cell("ECLKBRIDGECS"),
#Cell("PLLREFCS"),
Cell("DELAYF"),
Cell("DELAYG"),
#Cell("START"),
Cell("USRMCLK", True),
Cell("DQSBUFM"),
Cell("DDRDLLA"),
Cell("DLLDELD"),
Cell("IDDRX1F"),
Cell("IDDRX2F"),
Cell("IDDR71B"),
Cell("IDDRX2DQA"),
Cell("ODDRX1F"),
Cell("ODDRX2F"),
Cell("ODDR71B"),
Cell("OSHX2A"),
Cell("TSHX2DQA"),
Cell("TSHX2DQSA"),
Cell("ODDRX2DQA"),
Cell("ODDRX2DQSB"),
Cell("EHXPLLL"),
Cell("DTR"),
Cell("OSCG"),
Cell("EXTREFB"),
Cell("JTAGG", True, port_attrs={'TCK': ['iopad_external_pin'], 'TMS': ['iopad_external_pin'], 'TDO': ['iopad_external_pin'], 'TDI': ['iopad_external_pin']}),
#Cell("SEDGA"),
Cell("DCUA", True, port_attrs={'CH0_HDINP': ['iopad_external_pin'], 'CH1_HDINP': ['iopad_external_pin'], 'CH0_HDINN': ['iopad_external_pin'], 'CH1_HDINN': ['iopad_external_pin']}),
]),
("cells_bb_xo2.v", "machxo2", [
#Cell("AGEB2"),
#Cell("ALEB2"),
#Cell("AND2"),
#Cell("AND3"),
#Cell("AND4"),
#Cell("AND5"),
#Cell("ANEB2"),
#Cell("BB"),
#Cell("BBPD"),
#Cell("BBPU"),
#Cell("BBW"),
#Cell("CB2"),
#Cell("CD2"),
#Cell("CU2"),
#Cell("FADD2B"),
#Cell("FADSU2"),
#Cell("FD1P3AX"),
#Cell("FD1P3AY"),
#Cell("FD1P3BX"),
#Cell("FD1P3DX"),
#Cell("FD1P3IX"),
#Cell("FD1P3JX"),
#Cell("FD1S1A"),
#Cell("FD1S1AY"),
#Cell("FD1S1B"),
#Cell("FD1S1D"),
#Cell("FD1S1I"),
#Cell("FD1S1J"),
#Cell("FD1S3AX"),
#Cell("FD1S3AY"),
#Cell("FD1S3BX"),
#Cell("FD1S3DX"),
#Cell("FD1S3IX"),
#Cell("FD1S3JX"),
#Cell("FL1P3AY"),
#Cell("FL1P3AZ"),
#Cell("FL1P3BX"),
#Cell("FL1P3DX"),
#Cell("FL1P3IY"),
#Cell("FL1P3JY"),
#Cell("FL1S1A"),
#Cell("FL1S1AY"),
#Cell("FL1S1B"),
#Cell("FL1S1D"),
#Cell("FL1S1I"),
#Cell("FL1S1J"),
#Cell("FL1S3AX"),
#Cell("FL1S3AY"),
#Cell("FSUB2B"),
Cell("GSR", True),
#Cell("IB"),
#Cell("IBPD"),
#Cell("IBPU"),
#Cell("IFS1P3BX"),
#Cell("IFS1P3DX"),
#Cell("IFS1P3IX"),
#Cell("IFS1P3JX"),
#Cell("ILVDS"),
#Cell("INV"),
#Cell("L6MUX21"),
#Cell("LB2P3AX"),
#Cell("LB2P3AY"),
#Cell("LB2P3BX"),
#Cell("LB2P3DX"),
#Cell("LB2P3IX"),
#Cell("LB2P3JX"),
#Cell("LD2P3AX"),
#Cell("LD2P3AY"),
#Cell("LD2P3BX"),
#Cell("LD2P3DX"),
#Cell("LD2P3IX"),
#Cell("LD2P3JX"),
#Cell("LU2P3AX"),
#Cell("LU2P3AY"),
#Cell("LU2P3BX"),
#Cell("LU2P3DX"),
#Cell("LU2P3IX"),
#Cell("LU2P3JX"),
#Cell("MULT2"),
#Cell("MUX161"),
#Cell("MUX21"),
#Cell("MUX321"),
#Cell("MUX41"),
#Cell("MUX81"),
#Cell("ND2"),
#Cell("ND3"),
#Cell("ND4"),
#Cell("ND5"),
#Cell("NR2"),
#Cell("NR3"),
#Cell("NR4"),
#Cell("NR5"),
#Cell("OB"),
#Cell("OBCO"),
#Cell("OBZ"),
#Cell("OBZPU"),
#Cell("OFS1P3BX"),
#Cell("OFS1P3DX"),
#Cell("OFS1P3IX"),
#Cell("OFS1P3JX"),
#Cell("OLVDS"),
#Cell("OR2"),
#Cell("OR3"),
#Cell("OR4"),
#Cell("OR5"),
#Cell("LUT4"),
#Cell("LUT5"),
#Cell("LUT6"),
#Cell("LUT7"),
#Cell("LUT8"),
#Cell("PFUMX"),
#Cell("PUR"),
#Cell("ROM128X1A"),
#Cell("ROM16X1A"),
#Cell("ROM256X1A"),
#Cell("ROM32X1A"),
#Cell("ROM64X1A"),
#Cell("CCU2D"),
#Cell("VHI"),
#Cell("VLO"),
#Cell("XNOR2"),
#Cell("XNOR3"),
#Cell("XNOR4"),
#Cell("XNOR5"),
#Cell("XOR11"),
#Cell("XOR2"),
#Cell("XOR21"),
#Cell("XOR3"),
#Cell("XOR4"),
#Cell("XOR5"),
#Cell("IFS1S1B"),
#Cell("IFS1S1D"),
#Cell("IFS1S1I"),
#Cell("IFS1S1J"),
#Cell("DPR16X4C"),
#Cell("SPR16X4C"),
Cell("SGSR", True),
Cell("DP8KC"),
Cell("PDPW8KC"),
Cell("SP8KC"),
Cell("FIFO8KB"),
Cell("CLKDIVC"),
Cell("DCMA"),
Cell("ECLKSYNCA"),
Cell("ECLKBRIDGECS"),
Cell("DCCA"),
#Cell("JTAGF", True, port_attrs={'TCK': ['iopad_external_pin'], 'TMS': ['iopad_external_pin'], 'TDO': ['iopad_external_pin'], 'TDI': ['iopad_external_pin']}),
Cell("START", True),
#Cell("SEDFA"),
#Cell("SEDFB"),
#Cell("IDDRXE"),
#Cell("IDDRX2E"),
#Cell("IDDRX4B"),
#Cell("IDDRDQSX1A"),
#Cell("IDDRX71A"),
#Cell("ODDRXE"),
#Cell("ODDRX2E"),
#Cell("ODDRX4B"),
#Cell("ODDRDQSX1A"),
#Cell("ODDRX71A"),
#Cell("TDDRA"),
#Cell("DQSBUFH"),
#Cell("DQSDLLC"),
#Cell("DELAYE"),
#Cell("DELAYD"),
#Cell("DLLDELC"),
#Cell("CLKFBBUFA"),
#Cell("PCNTR"),
#Cell("BCINRD"),
#Cell("BCLVDSO"),
#Cell("INRDB"),
#Cell("LVDSOB"),
#Cell("PG"),
Cell("EHXPLLJ"),
#Cell("PLLREFCS"),
Cell("OSCH"),
#Cell("EFB"),
Cell("TSALL", True),
]),
("cells_bb_xo3.v", "machxo3lf", [
#Cell("AGEB2"),
#Cell("ALEB2"),
#Cell("AND2"),
#Cell("AND3"),
#Cell("AND4"),
#Cell("AND5"),
#Cell("ANEB2"),
#Cell("BB"),
#Cell("BBPD"),
#Cell("BBPU"),
#Cell("BBW"),
#Cell("CB2"),
#Cell("CD2"),
#Cell("CU2"),
#Cell("FADD2B"),
#Cell("FADSU2"),
#Cell("FD1P3AX"),
#Cell("FD1P3AY"),
#Cell("FD1P3BX"),
#Cell("FD1P3DX"),
#Cell("FD1P3IX"),
#Cell("FD1P3JX"),
#Cell("FD1S1A"),
#Cell("FD1S1AY"),
#Cell("FD1S1B"),
#Cell("FD1S1D"),
#Cell("FD1S1I"),
#Cell("FD1S1J"),
#Cell("FD1S3AX"),
#Cell("FD1S3AY"),
#Cell("FD1S3BX"),
#Cell("FD1S3DX"),
#Cell("FD1S3IX"),
#Cell("FD1S3JX"),
#Cell("FL1P3AY"),
#Cell("FL1P3AZ"),
#Cell("FL1P3BX"),
#Cell("FL1P3DX"),
#Cell("FL1P3IY"),
#Cell("FL1P3JY"),
#Cell("FL1S1A"),
#Cell("FL1S1AY"),
#Cell("FL1S1B"),
#Cell("FL1S1D"),
#Cell("FL1S1I"),
#Cell("FL1S1J"),
#Cell("FL1S3AX"),
#Cell("FL1S3AY"),
#Cell("FSUB2B"),
Cell("GSR", True),
#Cell("IB"),
#Cell("IBPD"),
#Cell("IBPU"),
#Cell("IFS1P3BX"),
#Cell("IFS1P3DX"),
#Cell("IFS1P3IX"),
#Cell("IFS1P3JX"),
#Cell("ILVDS"),
#Cell("INV"),
#Cell("L6MUX21"),
#Cell("LB2P3AX"),
#Cell("LB2P3AY"),
#Cell("LB2P3BX"),
#Cell("LB2P3DX"),
#Cell("LB2P3IX"),
#Cell("LB2P3JX"),
#Cell("LD2P3AX"),
#Cell("LD2P3AY"),
#Cell("LD2P3BX"),
#Cell("LD2P3DX"),
#Cell("LD2P3IX"),
#Cell("LD2P3JX"),
#Cell("LU2P3AX"),
#Cell("LU2P3AY"),
#Cell("LU2P3BX"),
#Cell("LU2P3DX"),
#Cell("LU2P3IX"),
#Cell("LU2P3JX"),
#Cell("MULT2"),
#Cell("MUX161"),
#Cell("MUX21"),
#Cell("MUX321"),
#Cell("MUX41"),
#Cell("MUX81"),
#Cell("ND2"),
#Cell("ND3"),
#Cell("ND4"),
#Cell("ND5"),
#Cell("NR2"),
#Cell("NR3"),
#Cell("NR4"),
#Cell("NR5"),
#Cell("OB"),
#Cell("OBCO"),
#Cell("OBZ"),
#Cell("OBZPU"),
#Cell("OFS1P3BX"),
#Cell("OFS1P3DX"),
#Cell("OFS1P3IX"),
#Cell("OFS1P3JX"),
#Cell("OLVDS"),
#Cell("OR2"),
#Cell("OR3"),
#Cell("OR4"),
#Cell("OR5"),
#Cell("LUT4"),
#Cell("LUT5"),
#Cell("LUT6"),
#Cell("LUT7"),
#Cell("LUT8"),
#Cell("PFUMX"),
#Cell("PUR"),
#Cell("ROM128X1A"),
#Cell("ROM16X1A"),
#Cell("ROM256X1A"),
#Cell("ROM32X1A"),
#Cell("ROM64X1A"),
#Cell("CCU2D"),
#Cell("VHI"),
#Cell("VLO"),
#Cell("XNOR2"),
#Cell("XNOR3"),
#Cell("XNOR4"),
#Cell("XNOR5"),
#Cell("XOR11"),
#Cell("XOR2"),
#Cell("XOR21"),
#Cell("XOR3"),
#Cell("XOR4"),
#Cell("XOR5"),
#Cell("IFS1S1B"),
#Cell("IFS1S1D"),
#Cell("IFS1S1I"),
#Cell("IFS1S1J"),
#Cell("DPR16X4C"),
#Cell("SPR16X4C"),
Cell("SGSR", True),
Cell("DP8KC"),
Cell("PDPW8KC"),
Cell("SP8KC"),
Cell("FIFO8KB"),
Cell("CLKDIVC"),
Cell("DCMA"),
Cell("ECLKSYNCA"),
Cell("ECLKBRIDGECS"),
Cell("DCCA"),
#Cell("JTAGF", True, port_attrs={'TCK': ['iopad_external_pin'], 'TMS': ['iopad_external_pin'], 'TDO': ['iopad_external_pin'], 'TDI': ['iopad_external_pin']}),
Cell("START", True),
#Cell("SEDFA"),
#Cell("SEDFB"),
#Cell("IDDRXE"),
#Cell("IDDRX2E"),
#Cell("IDDRX4B"),
#Cell("IDDRX71A"),
#Cell("ODDRXE"),
#Cell("ODDRX2E"),
#Cell("ODDRX4B"),
#Cell("ODDRX71A"),
#Cell("DQSDLLC"),
#Cell("DELAYE"),
#Cell("DELAYD"),
#Cell("DLLDELC"),
#Cell("CLKFBBUFA"),
#Cell("PCNTR"),
#Cell("BCINRD"),
#Cell("BCLVDSO"),
#Cell("INRDB"),
#Cell("LVDSOB"),
#Cell("PG"),
Cell("EHXPLLJ"),
#Cell("PLLREFCS"),
Cell("OSCH"),
#Cell("EFB"),
Cell("TSALL", True),
]),
("cells_bb_xo3d.v", "machxo3d", [
#Cell("AGEB2"),
#Cell("ALEB2"),
#Cell("AND2"),
#Cell("AND3"),
#Cell("AND4"),
#Cell("AND5"),
#Cell("ANEB2"),
#Cell("BB"),
#Cell("BBPD"),
#Cell("BBPU"),
#Cell("BBI3C"),
#Cell("BBW"),
#Cell("CB2"),
#Cell("CD2"),
#Cell("CU2"),
#Cell("FADD2B"),
#Cell("FADSU2"),
#Cell("FD1P3AX"),
#Cell("FD1P3AY"),
#Cell("FD1P3BX"),
#Cell("FD1P3DX"),
#Cell("FD1P3IX"),
#Cell("FD1P3JX"),
#Cell("FD1S1A"),
#Cell("FD1S1AY"),
#Cell("FD1S1B"),
#Cell("FD1S1D"),
#Cell("FD1S1I"),
#Cell("FD1S1J"),
#Cell("FD1S3AX"),
#Cell("FD1S3AY"),
#Cell("FD1S3BX"),
#Cell("FD1S3DX"),
#Cell("FD1S3IX"),
#Cell("FD1S3JX"),
#Cell("FL1P3AY"),
#Cell("FL1P3AZ"),
#Cell("FL1P3BX"),
#Cell("FL1P3DX"),
#Cell("FL1P3IY"),
#Cell("FL1P3JY"),
#Cell("FL1S1A"),
#Cell("FL1S1AY"),
#Cell("FL1S1B"),
#Cell("FL1S1D"),
#Cell("FL1S1I"),
#Cell("FL1S1J"),
#Cell("FL1S3AX"),
#Cell("FL1S3AY"),
#Cell("FSUB2B"),
Cell("GSR", True),
#Cell("IB"),
#Cell("IBPD"),
#Cell("IBPU"),
#Cell("IFS1P3BX"),
#Cell("IFS1P3DX"),
#Cell("IFS1P3IX"),
#Cell("IFS1P3JX"),
#Cell("ILVDS"),
#Cell("INV"),
#Cell("L6MUX21"),
#Cell("LB2P3AX"),
#Cell("LB2P3AY"),
#Cell("LB2P3BX"),
#Cell("LB2P3DX"),
#Cell("LB2P3IX"),
#Cell("LB2P3JX"),
#Cell("LD2P3AX"),
#Cell("LD2P3AY"),
#Cell("LD2P3BX"),
#Cell("LD2P3DX"),
#Cell("LD2P3IX"),
#Cell("LD2P3JX"),
#Cell("LU2P3AX"),
#Cell("LU2P3AY"),
#Cell("LU2P3BX"),
#Cell("LU2P3DX"),
#Cell("LU2P3IX"),
#Cell("LU2P3JX"),
#Cell("MULT2"),
#Cell("MUX161"),
#Cell("MUX21"),
#Cell("MUX321"),
#Cell("MUX41"),
#Cell("MUX81"),
#Cell("ND2"),
#Cell("ND3"),
#Cell("ND4"),
#Cell("ND5"),
#Cell("NR2"),
#Cell("NR3"),
#Cell("NR4"),
#Cell("NR5"),
#Cell("OB"),
#Cell("OBCO"),
#Cell("OBZ"),
#Cell("OBZPU"),
#Cell("OFS1P3BX"),
#Cell("OFS1P3DX"),
#Cell("OFS1P3IX"),
#Cell("OFS1P3JX"),
#Cell("OLVDS"),
#Cell("OR2"),
#Cell("OR3"),
#Cell("OR4"),
#Cell("OR5"),
#Cell("LUT4"),
#Cell("LUT5"),
#Cell("LUT6"),
#Cell("LUT7"),
#Cell("LUT8"),
#Cell("PFUMX"),
#Cell("PUR"),
#Cell("ROM128X1A"),
#Cell("ROM16X1A"),
#Cell("ROM256X1A"),
#Cell("ROM32X1A"),
#Cell("ROM64X1A"),
#Cell("CCU2D"),
#Cell("VHI"),
#Cell("VLO"),
#Cell("XNOR2"),
#Cell("XNOR3"),
#Cell("XNOR4"),
#Cell("XNOR5"),
#Cell("XOR11"),
#Cell("XOR2"),
#Cell("XOR21"),
#Cell("XOR3"),
#Cell("XOR4"),
#Cell("XOR5"),
#Cell("IFS1S1B"),
#Cell("IFS1S1D"),
#Cell("IFS1S1I"),
#Cell("IFS1S1J"),
#Cell("DPR16X4C"),
#Cell("SPR16X4C"),
Cell("SGSR", True),
Cell("DP8KC"),
Cell("PDPW8KC"),
Cell("SP8KC"),
Cell("FIFO8KB"),
Cell("CLKDIVC"),
Cell("DCMA"),
Cell("ECLKSYNCA"),
Cell("ECLKBRIDGECS"),
Cell("DCCA"),
#Cell("JTAGF", True, port_attrs={'TCK': ['iopad_external_pin'], 'TMS': ['iopad_external_pin'], 'TDO': ['iopad_external_pin'], 'TDI': ['iopad_external_pin']}),
Cell("START", True),
#Cell("SEDFA"),
#Cell("SEDFB"),
#Cell("IDDRXE"),
#Cell("IDDRX2E"),
#Cell("IDDRX4B"),
#Cell("IDDRX71A"),
#Cell("ODDRXE"),
#Cell("ODDRX2E"),
#Cell("ODDRX4B"),
#Cell("ODDRX71A"),
#Cell("DQSDLLC"),
#Cell("DELAYE"),
#Cell("DELAYD"),
#Cell("DLLDELC"),
#Cell("CLKFBBUFA"),
#Cell("PCNTR"),
#Cell("BCINRD"),
#Cell("BCLVDSO"),
#Cell("INRDB"),
#Cell("LVDSOB"),
#Cell("PG"),
Cell("EHXPLLJ"),
#Cell("PLLREFCS"),
Cell("OSCJ"),
#Cell("EFBB"),
Cell("TSALL", True),
#Cell("ESBA"),
#Cell("BCSLEWRATEA"),
])
]
def xtract_cells_decl(device, cells, dirs, outf):
fname = os.path.join(dir, device + '.v')
with open(fname) as f:
state = State.OUTSIDE
# Probably the most horrible Verilog "parser" ever written.
cell = None
kind = None
for l in f:
l, _, comment = l.partition('//')
l = l.strip()
m = re.search(r'synthesis .*black_box_pad_pin="([^"]*)"', comment)
if m:
iopad_pin = set(m.group(1).split(","))
if l.startswith("module "):
cell_name = l[7:l.find('(')].strip()
cell = None
kind = None
module_ports = []
iopad_pin = set()
if state != State.OUTSIDE:
print('Nested modules in {}.'.format(fname))
sys.exit(1)
for c in cells:
if c.name != cell_name:
continue
cell = c
state = State.IN_MODULE
outf.write('(* blackbox *)')
if cell.keep:
outf.write(' (* keep *)\n')
else:
outf.write('\n')
outf.write('module {} (...);\n'.format(cell.name))
cell.found = True
if cell is None:
state = State.IN_OTHER_MODULE
elif l.startswith('task '):
if state == State.IN_MODULE:
state = State.IN_TASK
elif l.startswith('function '):
if state == State.IN_MODULE:
state = State.IN_FUNCTION
elif l == 'endtask':
if state == State.IN_TASK:
state = State.IN_MODULE
elif l == 'endfunction':
if state == State.IN_FUNCTION:
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 iopad_pin:
outf.write(' (* iopad_external_pin *)\n')
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:
print('endmodule in weird place in {}.'.format(cell.name, fname))
sys.exit(1)
state = State.OUTSIDE
elif l.startswith(('input ', 'output ', 'inout ')) and state == State.IN_MODULE:
l = l.strip()
if l == "":
continue
if l.endswith((';', ',', ")")):
l = l[:-1]
l = l.replace(")","")
if ';' in l:
print('Weird port line in {} [{}].'.format(fname, l))
sys.exit(1)
kind, _, ports = l.partition(' ')
for port in ports.split(','):
port = port.strip()
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:
l = l.strip()
if l.endswith((';', ',')):
l = l[:-1]
while ' ' in l:
l = l.replace(' ', ' ')
if "INITVAL" in l:
l = l.replace('"0x', "320'h")
l = l.replace('"', '')
if ';' in l:
print('Weird parameter line in {} [{}].'.format(fname, l))
sys.exit(1)
outf.write(' {};\n'.format(l))
elif kind is not None and state == State.IN_MODULE:
l = l.strip()
if l == "":
continue
if l.endswith((';', ',', ")")):
l = l[:-1]
l = l.replace(")","")
if l == "":
continue
if ';' in l:
print('Weird port line in {} [{}].'.format(fname, l))
sys.exit(1)
ports = l
for port in ports.split(','):
port = port.strip()
if port.startswith('['):
rng, port = port.split()
else:
rng = None
module_ports.append((kind, rng, port))
if state != State.OUTSIDE:
print('endmodule not found in {}.'.format(fname))
sys.exit(1)
for cell in cells:
if not cell.found:
print('cell {} not found in {}.'.format(cell.name, fname))
if __name__ == '__main__':
parser = ArgumentParser(description='Extract Lattice blackbox cell definitions from Lattice Diamond.')
parser.add_argument('diamond_dir', nargs='?', default='/usr/local/diamond/3.12/')
args = parser.parse_args()
dirs = [
os.path.join(args.diamond_dir, 'cae_library/synthesis/verilog/'),
]
for dir in dirs:
if not os.path.isdir(dir):
print('{} is not a directory'.format(dir))
for fn, device, cells in devices:
out = StringIO()
xtract_cells_decl(device, cells, dirs, out)
with open(fn, 'w') as f:
f.write('// Created by cells_xtra.py from Lattice models\n')
f.write('\n')
f.write(out.getvalue())
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