def read(self, fields):
if fields[0] == 'device' and len(fields) == 4 \
and len(fields[1]) >= 2 and fields[1][0] == '"' \
and fields[1][-1] == '"' \
and self.ic is None and self.device is None:
self.device = fields[1][1:-1]
if self.device == '1k':
self.ic = icebox.iceconfig()
self.ic.setup_empty_1k()
elif self.device == '8k':
self.ic = icebox.iceconfig()
self.ic.setup_empty_8k()
elif self.device == '384':
self.ic = icebox.iceconfig()
self.ic.setup_empty_384()
else:
raise ParseError
#elif fields[0] == 'coldboot' and fields[1] == '=' \
# and self.coldboot is None:
# # parsed but ignored (can't be represented in IceStorm .asc format)
# self.coldboot = parse_bool(fields[2])
elif fields[0] == 'warmboot' and fields[1] == '=' \
and self.warmboot is None:
# parsed but ignored (can't be represented in IceStorm .asc format)
self.warmboot = parse_bool(fields[2])
else:
raise ParseError
def read(self, fields):
if fields[0] == 'device' and len(fields) == 4 \
and len(fields[1]) >= 2 and fields[1][0] == '"' \
and fields[1][-1] == '"' \
and self.ic is None and self.device is None:
self.device = fields[1][1:-1]
if self.device == '1k':
self.ic = icebox.iceconfig()
self.ic.setup_empty_1k()
elif self.device == '8k':
self.ic = icebox.iceconfig()
self.ic.setup_empty_8k()
elif self.device == '384':
self.ic = icebox.iceconfig()
self.ic.setup_empty_384()
else:
raise ParseError
#elif fields[0] == 'coldboot' and fields[1] == '=' \
# and self.coldboot is None:
# # parsed but ignored (can't be represented in IceStorm .asc format)
# self.coldboot = parse_bool(fields[2])
elif fields[0] == 'warmboot' and fields[1] == '=' \
and self.warmboot is None:
# parsed but ignored (can't be represented in IceStorm .asc format)
self.warmboot = parse_bool(fields[2])
else:
raise ParseError
def read(self, fields):
if fields[0] == 'device' and len(fields) == 4 \
and len(fields[1]) >= 2 and fields[1][0] == '"' \
and fields[1][-1] == '"' \
and self.ic is None and self.device is None:
self.device = fields[1][1:-1].lower()
if self.device.startswith('lp') or self.device.startswith('hx'):
self.device = self.device[2:]
if self.device.startswith('1k'):
self.ic = icebox.iceconfig()
self.ic.setup_empty_1k()
elif self.device.startswith('8k'):
self.ic = icebox.iceconfig()
self.ic.setup_empty_8k()
elif self.device.startswith('384'):
self.ic = icebox.iceconfig()
self.ic.setup_empty_384()
else:
raise ParseError("Unknown device {}".format(self.device))
#elif fields[0] == 'coldboot' and fields[1] == '=' \
# and self.coldboot is None:
# # parsed but ignored (can't be represented in IceStorm .asc format)
# self.coldboot = parse_bool(fields[2])
elif fields[0] == 'warmboot' and fields[1] == '=' \
and self.warmboot is None:
# parsed but ignored (can't be represented in IceStorm .asc format)
self.warmboot = parse_bool(fields[2])
else:
raise ParseError("Unknown preamble directive {}".format(fields[0]))
def main():
ic = icebox.iceconfig()
ic.setup_empty_384()
test_netname_translation(ic)
ic = icebox.iceconfig()
ic.setup_empty_1k()
test_netname_translation(ic)
ic = icebox.iceconfig()
ic.setup_empty_8k()
test_netname_translation(ic)
def main():
ic = icebox.iceconfig()
ic.setup_empty_384()
test_netname_translation(ic)
ic = icebox.iceconfig()
ic.setup_empty_1k()
test_netname_translation(ic)
ic = icebox.iceconfig()
ic.setup_empty_8k()
test_netname_translation(ic)
def asc_to_fasm(filename, outf=StringIO()):
"""Generate a fasm output from an asc"""
ic = icebox.iceconfig()
ic.read_file(filename)
return iceconfig_to_fasm(ic, outf)
def generate_fasm_db(outf, device):
"""Generate FASM style DB for a ice40 device"""
ic = icebox.iceconfig()
init_method_name = "setup_empty_{}".format(device.lower()[2:])
assert hasattr(ic,
init_method_name), "no icebox method to init empty device"
getattr(ic, init_method_name)()
return _iceboxdb_to_fasmdb(ic, outf)
def init(device_name, read_rr_graph):
global ic
ic = icebox.iceconfig()
{
#'t4': ic.setup_empty_t4,
'8k': ic.setup_empty_8k,
'5k': ic.setup_empty_5k,
'1k': ic.setup_empty_1k,
'384': ic.setup_empty_384,
}[device_name]()
print('Loading rr_graph')
g = graph.Graph(read_rr_graph, clear_fabric=True)
g.set_tooling(name="icebox",
version="dev",
comment="Generated for iCE40 {} device".format(device_name))
return ic, g
def init(device_name, read_rr_graph):
ic = icebox.iceconfig()
{
#'t4': ic.setup_empty_t4,
'8k': ic.setup_empty_8k,
'5k': ic.setup_empty_5k,
'1k': ic.setup_empty_1k,
'384': ic.setup_empty_384,
}[device_name]()
fn_dir = {
't4': 'test4',
'8k': 'HX8K',
'5k': 'HX5K',
'1k': 'HX1K',
'384': 'LP384',
}[device_name]
if read_rr_graph:
ref_rr_fn = read_rr_graph
else:
ref_rr_fn = '../../tests/build/ice40/{}/wire.rr_graph.xml'.format(
fn_dir)
# Load g stuff we care about
# (basically omit rr_nodes)
# clear_fabric reduces load time from about 11.1 => 2.8 sec on my machine
# seems to be mostly from the edges?
print('Loading rr_graph')
g = graph.Graph(ref_rr_fn, clear_fabric=True)
g.set_tooling(name="icebox",
version="dev",
comment="Generated for iCE40 {} device".format(device_name))
print('Indexing icebox net names')
nn = NetNames(ic)
return ic, g, nn
fixup_mode = True
else:
usage()
if len(args) == 0:
args.append("/dev/stdin")
if len(args) not in [1, 2]:
usage()
if check_mode == fixup_mode:
print("Error: Use either -c or -f!")
sys.exit(1)
print("Reading file '%s'.." % args[0])
ic = icebox.iceconfig()
ic.read_file(args[0])
def make_cache(stmt, raw_db):
cache = list()
for entry in raw_db:
if entry[1] == stmt and entry[2].startswith("glb_netwk_"):
cache_entry = [int(entry[2][-1]), []]
for bit in entry[0]:
value = "1"
if bit.startswith("!"):
value = "0"
bit = bit[1:]
match = re_match_cached("B([0-9]+)\[([0-9]+)\]", bit)
cache_entry[1].append(
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
import icebox
import sys
import re
if len(sys.argv) != 3:
print("""
Usage: icebox_diff bitmap1.txt bitmap2.txt
""")
sys.exit(0)
print("Reading file '%s'.." % sys.argv[1])
ic1 = icebox.iceconfig()
ic1.read_file(sys.argv[1])
print("Reading file '%s'.." % sys.argv[2])
ic2 = icebox.iceconfig()
ic2.read_file(sys.argv[2])
def format_bits(line_nr, this_line, other_line):
text = ""
for i in range(len(this_line)):
if this_line[i] != other_line[i]:
if this_line[i] == "1":
text += "%8s" % ("B%d[%d]" % (line_nr, i))
else:
text += "%8s" % ""
return text
tx = int(a)
elif o == "-y":
ty = int(a)
elif o == "-d":
outdir = a
elif o == "-8":
mode8k = True
chipname = "iCE40 HX8K"
chipdbfile = "chipdb-8k.txt"
else:
usage()
if len(args) != 0:
usage()
ic = icebox.iceconfig()
mktiles = set()
if mode8k:
ic.setup_empty_8k()
for x in range(1, 3) + range(8-2, 8+3) + range(15, 19) + range(25-2, 25+3) + range(33-2, 33):
mktiles.add((x, 0))
mktiles.add((x, 33))
for x in range(0, 3) + range(8-1, 8+2) + range(25-1, 25+2) + range(33-2, 34):
mktiles.add((x, 1))
mktiles.add((x, 32))
for x in range(0, 2) + range(8-1, 8+2) + range(25-1, 25+2) + range(34-2, 34):
def main():
program_short_name = os.path.basename(sys.argv[0])
options = Options()
try:
opts, args = getopt.getopt(sys.argv[1:], 'mA', ['help', 'version'])
except getopt.GetoptError as e:
sys.stderr.write("%s: %s\n" % (program_short_name, e.msg))
sys.stderr.write("Try `%s --help' for more information.\n" %
program_short_name)
sys.exit(1)
for opt, arg in opts:
if opt == '--help':
sys.stderr.write("""\
Create a high-level representation from an ASCII bitstream.
Usage: %s [OPTION]... FILE
-m print tile config bitmaps
-A don't skip uninteresting tiles
--help display this help and exit
--version output version information and exit
If you have a bug report, please file an issue on github:
https://github.com/rlutz/icestorm/issues
""" % program_short_name)
sys.exit(0)
if opt == '--version':
sys.stderr.write("""\
icebox_asc2hlc - create a high-level representation from an ASCII bitstream
Copyright (C) 2017 Roland Lutz
This program is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
""")
sys.exit(0)
if opt == '-m':
options.print_map = True
elif opt == '-A':
options.print_all = True
if not args:
sys.stderr.write("%s: missing argument\n" % (program_short_name))
sys.stderr.write("Try `%s --help' for more information.\n" %
program_short_name)
sys.exit(1)
if len(args) != 1:
sys.stderr.write("%s: too many arguments\n" % (program_short_name))
sys.stderr.write("Try `%s --help' for more information.\n" %
program_short_name)
sys.exit(1)
ic = icebox.iceconfig()
if args[0] == '-':
ic.read_file('/dev/stdin')
else:
ic.read_file(args[0])
fabric = Fabric(ic)
fabric.printout(options)
def create_tracks(g, verbose=False):
print("Block grid size: %s" % (g.block_grid.size, ))
print("Channel grid size: %s" % (g.channels.size, ))
import icebox
ic = icebox.iceconfig()
ic.setup_empty_384()
#seg_timing = {'R_per_meter':420, 'C_per_meter':3.e-14}
#segment = g.channels.create_segment('awesomesauce', timing=seg_timing)
type_y = channel.Track.Type.Y
type_x = channel.Track.Type.X
bi_dir = channel.Track.Direction.BI
short_xml = list(
g._xml_graph.iterfind('//switches/switch/[@name="short"]'))[0]
#short_xml.attrib['configurable'] = '0'
#short_xml.attrib['buffered'] = '0'
print("Rewrote short switch: ", ET.tostring(short_xml))
#############################################################################
# Internal Block wires
#############################################################################
segment_global = g.segments["global"]
segment_dummy = g.segments["dummy"]
segment_local = g.segments["local"]
for block in g.block_grid:
tname = block.block_type.name
if tname == "EMPTY":
continue
print("=" * 75)
begin, end = block.position, block.position
# Locals
for l_n in local_names:
track, _track_node = g.create_xy_track(begin,
end,
segment_local,
typeh=type_y,
direction=bi_dir)
print("{} - {}".format(block, l_n))
g.routing.localnames.add(begin, l_n, _track_node)
for g_n in global_names:
track, _track_node = g.create_xy_track(begin,
end,
segment_global,
typeh=type_y,
direction=bi_dir)
print("{} - {}".format(block, g_n))
g.routing.localnames.add(begin, g_n, _track_node)
# Padding ------------------------------------------------
track, _track_node = g.create_xy_track(begin,
end,
segment_dummy,
typeh=type_y,
direction=bi_dir)
print()
# --------------------------------------------------------
if tname == "BLK_TL-PLB":
tracks = plb_tracks
elif tname.startswith("BLK_TL-PIO"):
tracks = io_tracks
for d in tracks:
s_type, d_type = segment_type(g, d)
track, _track_node = g.create_xy_track(begin,
end,
s_type,
typeh=d_type,
direction=bi_dir)
print("%s - Created track %s (%s)" % (block, d.aliases, track))
g.routing.localnames.add(begin, d.name, _track_node)
for alias in d.aliases:
g.routing.localnames.add(begin, alias, _track_node)
#############################################################################
# Internal Block connections
#############################################################################
for src_block in g.block_grid:
try:
src_names = g.routing.localnames[src_block.position]
except KeyError as e:
print(src_block, e)
continue
print("=" * 75)
pos = icepos(src_block.position)
for entry in ic.tile_db(*pos):
if not ic.tile_has_entry(*pos, entry):
#print("{} - Skipping (tile_has_entry) {}".format(src_block, entry[1:]))
continue
if entry[1] not in ('buffer', 'routing'):
#print("{} - Skipping (not buffer/routing) {}".format(src_block, entry[1:]))
continue
switch_type, src_name, dst_name = entry[1:]
src_name = fix_name(src_name)
dst_name = fix_name(dst_name)
if src_name not in src_names:
print("{} - Skipping (src not exist) **{}** -> {}".format(
src_block, src_name, dst_name))
continue
if dst_name not in src_names:
print("{} - Skipping (dst not exist) {} -> **{}**".format(
src_block, src_name, dst_name))
continue
src_node = g.routing.localnames[(src_block.position, src_name)]
dst_node = g.routing.localnames[(src_block.position, dst_name)]
g.routing.create_edge_with_nodes(src_node, dst_node,
g.switches[switch_type])
xml_id = graph.RoutingGraph._get_xml_id
if entry[1] == 'routing':
g.routing.create_edge_with_nodes(dst_node, src_node,
g.switches[switch_type])
dir_str = {
'buffer': "->",
'routing': "<->",
}[entry[1]]
print(
src_block,
src_name,
xml_id(src_node),
dir_str,
dst_name,
xml_id(dst_node),
)
#############################################################################
# Block -> Block connections
#############################################################################
for src_block in g.block_grid:
try:
src_names = g.routing.localnames[src_block.position]
except KeyError as e:
print(src_block, e)
continue
for src_name, delta, dst_name in mappings:
try:
src_node = g.routing.localnames[(src_block.position, src_name)]
except KeyError as e:
print(src_name, "not found on", src_block, e)
continue
dst_pos = src_block.position + delta
try:
dst_node = g.routing.localnames[(dst_pos, dst_name)]
except KeyError as e:
print(dst_name, "not found on block", delta, "(which is",
dst_pos, ")", e)
continue
dst_block = g.block_grid[dst_pos]
print("Found {}->{} on {} {} ({})".format(src_name, dst_name,
src_block, delta,
dst_block))
g.routing.create_edge_with_nodes(src_node, dst_node,
g.switches["short"])
def main():
program_short_name = os.path.basename(sys.argv[0])
options = Options()
try:
opts, args = getopt.getopt(sys.argv[1:], 'mA', ['help', 'version'])
except getopt.GetoptError as e:
sys.stderr.write("%s: %s\n" % (program_short_name, e.msg))
sys.stderr.write("Try `%s --help' for more information.\n"
% sys.argv[0])
sys.exit(1)
for opt, arg in opts:
if opt == '--help':
sys.stderr.write("""\
Create a high-level representation from an ASCII bitstream.
Usage: %s [OPTION]... FILE
-m print tile config bitmaps
-A don't skip uninteresting tiles
--help display this help and exit
--version output version information and exit
If you have a bug report, please file an issue on github:
https://github.com/rlutz/icestorm/issues
""" % sys.argv[0])
sys.exit(0)
if opt == '--version':
sys.stderr.write("""\
icebox_asc2hlc - create a high-level representation from an ASCII bitstream
Copyright (C) 2017 Roland Lutz
This program is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
""")
sys.exit(0)
if opt == '-m':
options.print_map = True
elif opt == '-A':
options.print_all = True
if not args:
sys.stderr.write("%s: missing argument\n" % (program_short_name))
sys.stderr.write("Try `%s --help' for more information.\n"
% sys.argv[0])
sys.exit(1)
if len(args) != 1:
sys.stderr.write("%s: too many arguments\n" % (program_short_name))
sys.stderr.write("Try `%s --help' for more information.\n"
% sys.argv[0])
sys.exit(1)
ic = icebox.iceconfig()
if args[0] == '-':
ic.read_file('/dev/stdin')
else:
ic.read_file(args[0])
fabric = Fabric(ic)
fabric.printout(options)
def fasm_to_asc(in_fasm, outf, device):
"""Convert an FASM input to an ASC file
Set input enable defaults, RAM powerup, and enables all ColBufCtrl (until modeled in VPR see: #464)
"""
ic = icebox.iceconfig()
init_method_name = "setup_empty_{}".format(device.lower()[2:])
assert hasattr(ic,
init_method_name), "no icebox method to init empty device"
getattr(ic, init_method_name)()
device_1k = ic.device == "1k"
fasmdb = read_ice_db(ic)
# TODO: upstream init "default" bitstream
locs = [(x, y) for x in range(ic.max_x + 1) for y in range(ic.max_y + 1)]
for tile_loc in locs:
tile = ic.tile(*tile_loc)
if tile is None:
continue
db = ic.tile_db(*tile_loc)
tile_type = ic.tile_type(*tile_loc)
for entry in db:
if (device_1k and
((tile_type == "IO" and entry[-1] in ["IE_0", "IE_1"]) or
(tile_type == "RAMB" and entry[-1] == "PowerUp"))
or (entry[-2] == "ColBufCtrl")):
tile_bits = _tile_to_array(tile)
tile_type = ic.tile_type(*tile_loc)
bm, bv = _get_iceconfig_bits(tile_bits, entry[0])
tile_bits[bm] = bv[bm]
_array_to_tile(tile_bits, tile)
missing_features = []
for line in fasm.parse_fasm_string(in_fasm.read()):
if not line.set_feature:
continue
line_strs = tuple(fasm.fasm_line_to_string(line))
assert len(line_strs) == 1
feature = Feature.from_fasm_entry(
FasmEntry(line.set_feature.feature, []))
def find_ieren(ic, loc, iob):
tmap = [
xx[3:] for xx in ic.ieren_db()
if xx[:3] == (tuple(loc) + (iob, ))
]
assert len(tmap) < 2, "expected 1 IEREN_DB entry found {}".format(
len(tmap))
if len(tmap) == 0:
print("no ieren found for {}".format((tile_loc + (iob, ))))
return
return tmap[0]
# fix up for IO
if feature.parts[-1] == "SimpleInput":
iob = int(feature.parts[-2][-1])
new_ieren = find_ieren(ic, feature.loc, iob)
feature.parts[-1] = "PINTYPE_0"
db_entry = fasmdb[feature.to_fasm_entry().feature]
_set_feature_bits(ic, db_entry.loc, db_entry.bit_tuples)
feature.loc = new_ieren[:2]
feature.parts[-2] = "IoCtrl"
feature.parts[-1] = "IE_{}".format(new_ieren[2])
db_entry = fasmdb[feature.to_fasm_entry().feature]
_set_feature_bits(ic, db_entry.loc, db_entry.bit_tuples)
feature.parts[-1] = "REN_{}".format(new_ieren[2])
db_entry = fasmdb[feature.to_fasm_entry().feature]
_set_feature_bits(ic, db_entry.loc, db_entry.bit_tuples)
continue
if feature.parts[-1] == "SimpleOutput":
iob = int(feature.parts[-2][-1])
new_ieren = find_ieren(ic, feature.loc, iob)
feature.parts[-1] = "PINTYPE_3"
db_entry = fasmdb[feature.to_fasm_entry().feature]
_set_feature_bits(ic, db_entry.loc, db_entry.bit_tuples)
feature.parts[-1] = "PINTYPE_4"
db_entry = fasmdb[feature.to_fasm_entry().feature]
_set_feature_bits(ic, db_entry.loc, db_entry.bit_tuples)
feature.loc = new_ieren[:2]
feature.parts[-2] = "IoCtrl"
feature.parts[-1] = "REN_{}".format(new_ieren[2])
db_entry = fasmdb[feature.to_fasm_entry().feature]
_set_feature_bits(ic, db_entry.loc, db_entry.bit_tuples)
continue
## special case for RAM INIT values
tile_type, loc = feature.tile_type, feature.loc
if tile_type == "RAMB" and feature.parts[-1].startswith("INIT"):
tloc = tuple(loc)
if tloc not in ic.ram_data:
ic.ram_data[tloc] = [64 * "0" for _ in range(16)]
tile = ic.ram_data[tloc]
tile_bits = _tile_to_array(tile, is_hex=True)
elif tile_type == "RAMB" and feature.parts[-1].endswith("_MODE"):
# hack to force modes to the RAMT
tile = ic.tile(loc[0], loc[1] + 1)
tile_bits = _tile_to_array(tile)
else:
tile = ic.tile(*loc)
tile_bits = _tile_to_array(tile)
# lookup feature and convert
for canonical_feature in fasm.canonical_features(line.set_feature):
key = fasm.set_feature_to_str(canonical_feature)
feature = fasmdb[key]
bm, bv = _get_feature_bits(tile_bits, feature.bit_tuples)
tile_bits[bm] = bv[bm]
if tile_type == "RAMB" and feature.parts[-1].startswith("INIT"):
_array_to_tile(tile_bits, tile, is_hex=True)
else:
_array_to_tile(tile_bits, tile)
# TODO: would be nice to upstream a way to write to non-files
ic.write_file(outf.name)
