def test_device_rapidyaml(self):
return
phys_netlist = example_physical_netlist()
interchange = Interchange(
schema_directory=os.environ['INTERCHANGE_SCHEMA_PATH'])
with open(
os.path.join(os.environ['DEVICE_RESOURCE_PATH'],
phys_netlist.part + '.device'), 'rb') as f:
dev_message = interchange.read_device_resources_raw(f)
self.round_trip_rapidyaml('device', dev_message)
def test_simple_placement(self):
netlist = example_logical_netlist()
cells = create_constraint_cells_from_netlist(
netlist, filtered_out={'GND', 'VCC'})
phys_netlist = example_physical_netlist()
interchange = Interchange(
schema_directory=os.environ['INTERCHANGE_SCHEMA_PATH'])
with open(
os.path.join(os.environ['DEVICE_RESOURCE_PATH'],
phys_netlist.part + '.device'), 'rb') as f:
dev_message = interchange.read_device_resources_raw(f)
dev_message = dev_message.as_builder()
path = os.path.join(__dir__, 'data', 'series7_constraints.yaml')
with open(path, 'rb') as f:
patch_capnp(dev_message, ['constraints'], 'yaml', f)
device = DeviceResources(dev_message)
allowed_sites = {
'IOB_X0Y0',
'IOB_X0Y1',
'IOB_X0Y2',
'SLICE_X0Y0',
'BUFGCTRL_X0Y0',
}
model, placement_oracle, placements = make_problem_from_device(
device, allowed_sites)
solver = model.build_sat(placements, cells, placement_oracle)
clauses = solver.prepare_for_sat()
with Solver() as sat:
for clause in clauses:
sat.add_clause(clause)
solved = sat.solve()
self.assertTrue(solved)
def test_patch_series7_constraints(self):
phys_netlist = example_physical_netlist()
interchange = Interchange(
schema_directory=os.environ['INTERCHANGE_SCHEMA_PATH'])
with open(
os.path.join(os.environ['DEVICE_RESOURCE_PATH'],
phys_netlist.part + '.device'), 'rb') as f:
dev_message = interchange.read_device_resources_raw(f)
dev_message = dev_message.as_builder()
path = os.path.join(__dir__, 'data', 'series7_constraints.yaml')
with open(path, 'rb') as f:
patch_capnp(dev_message, ['constraints'], 'yaml', f)
schema = get_schema(os.environ['INTERCHANGE_SCHEMA_PATH'], 'device',
'Device.Constraints')
with open(path, 'rb') as f:
series7 = read_format(schema, 'yaml', f)
compare_capnp(self, series7, dev_message.constraints)