class SVRandSocket(RandBase):
@inject
def __init__(self, top, cons=Inject('sim/svrand/constraints')):
basedir = os.path.dirname(__file__)
self.tenv = TemplateEnv(basedir)
self.tenv.cons = self.tenv.load(basedir, 'svrand_cons.j2').module
super().__init__(top, cons)
def create_type_cons(self, desc={}):
return find_tcon_resolver(desc, self.tenv)
def before_setup(self, sim):
basedir = os.path.dirname(__file__)
tenv = TemplateEnv(basedir)
self.create_svrand_top()
register_intf(SVServerModule(self.outdir, self.constraints, tenv))
for c in self.constraints:
c.index = register_intf(SVServerIntf())
self.conn = reg['sim/svsock/server']
self.send_cmd = self.conn.send_cmd
self.dtype_recv = self.conn.dtype_recv
def parse_name(self, name):
for c in self.constraints:
if c.name == name:
return c.index, c.dtype
def send_req(self, index, dtype):
self.send_cmd(CMD_READ | index)
return self.dtype_recv(dtype)
def get_rand(self, name):
index, dtype = self.parse_name(name)
data = self.send_req(index, dtype)
return data
def create_svrand_top(self):
base_addr = os.path.dirname(__file__)
env = jinja2.Environment(loader=jinja2.FileSystemLoader(base_addr),
trim_blocks=True,
lstrip_blocks=True)
context = {
'tcons': self.constraints,
}
res = env.get_template('svrand_top.j2').render(context)
save_file('svrand_top.sv', self.outdir, res)
# custom classes
for con in self.constraints:
if con.cls == 'qenvelope':
context = {'tcon': con}
res = env.get_template('qenvelope.j2').render(context)
save_file(f'qenvelope_{con.name}.sv', self.outdir, res)
def setup(self):
basedir = os.path.dirname(__file__)
tenv = TemplateEnv(basedir)
tenv.snippets = tenv.load(basedir, 'svsock_intf.j2').module
for cp in self.in_cosim_ports:
sock_id = register_intf(SVServerIntf(cp.port, tenv))
self.handlers[cp.port.basename] = SimSocketInputDrv(cp.port, sock_id)
for p in self.gear.out_ports:
sock_id = register_intf(SVServerIntf(p, tenv))
self.handlers[p.basename] = SimSocketOutputDrv(p, sock_id)
register_intf(SVServerModule(self.rtl_node, tenv, self.srcdir, rst=self.rst))
self.conn = reg['sim/svsock/server']
self.send_cmd = self.conn.send_cmd
super().setup()
def load_jenv():
jenv = TemplateEnv(os.path.dirname(__file__))
jenv.snippets = jenv.load(jenv.basedir, 'snippet.j2').module
return jenv