def generate_xbars(top, out_path):
topname = top["name"]
gencmd = ("// util/topgen.py -t hw/top_{topname}/data/top_{topname}.hjson "
"-o hw/top_{topname}/\n\n".format(topname=topname))
for obj in top["xbar"]:
xbar_path = out_path / 'ip/xbar_{}/data/autogen'.format(obj["name"])
xbar_path.mkdir(parents=True, exist_ok=True)
xbar = tlgen.validate(obj)
xbar.ip_path = 'hw/top_' + top["name"] + '/ip/{dut}'
# Generate output of crossbar with complete fields
xbar_hjson_path = xbar_path / "xbar_{}.gen.hjson".format(xbar.name)
xbar_hjson_path.write_text(genhdr + gencmd +
hjson.dumps(obj, for_json=True))
if not tlgen.elaborate(xbar):
log.error("Elaboration failed." + repr(xbar))
try:
results = tlgen.generate(xbar, "top_" + top["name"])
except: # noqa: E722
log.error(exceptions.text_error_template().render())
ip_path = out_path / 'ip/xbar_{}'.format(obj["name"])
for filename, filecontent in results:
filepath = ip_path / filename
filepath.parent.mkdir(parents=True, exist_ok=True)
with filepath.open(mode='w', encoding='UTF-8') as fout:
fout.write(filecontent)
dv_path = out_path / 'ip/xbar_{}/dv/autogen'.format(obj["name"])
dv_path.mkdir(parents=True, exist_ok=True)
# generate testbench for xbar
tlgen.generate_tb(xbar, dv_path, "top_" + top["name"])
# Read back the comportable IP and amend to Xbar
xbar_ipfile = ip_path / ("data/autogen/xbar_%s.hjson" % obj["name"])
with xbar_ipfile.open() as fxbar:
xbar_ipobj = hjson.load(fxbar,
use_decimal=True,
object_pairs_hook=OrderedDict)
r_inter_signal_list = check_list(
xbar_ipobj.get('inter_signal_list', []),
'inter_signal_list field')
obj['inter_signal_list'] = [
InterSignal.from_raw(
'entry {} of the inter_signal_list field'.format(idx + 1),
entry) for idx, entry in enumerate(r_inter_signal_list)
]
def from_raw(cls, where: str, raw: object) -> 'TemplateParams':
""" Produce a TemplateParams instance from an object as it is in Hjson.
"""
ret = cls()
rl = check_list(raw, where)
for idx, r_param in enumerate(rl):
entry_where = 'entry {} in {}'.format(idx + 1, where)
param = _parse_template_parameter(entry_where, r_param)
if param.name in ret:
raise ValueError('At {}, found a duplicate parameter with '
'name {}.'.format(entry_where, param.name))
ret.add(param)
return ret