def __init__(self, dfg, nbits):
self._nbits = nbits
self._r_magic = RegisterField("magic", 16, access_bus=READ_ONLY, access_dev=WRITE_ONLY)
self._r_neps = RegisterField("neps", 8, access_bus=READ_ONLY, access_dev=WRITE_ONLY)
self._r_nbits = RegisterField("nbits", 8, access_bus=READ_ONLY, access_dev=WRITE_ONLY)
self._r_freeze = RegisterField("freeze", 1)
self._r_reset = RegisterRaw("reset", 1)
self.order = []
DFGHook.__init__(self, dfg, self._create)
def get_fragment(self): comb = [ self._r_magic.field.w.eq(ISD_MAGIC), self._r_neps.field.w.eq(len(self.order)), self._r_nbits.field.w.eq(self._nbits) ] for h in self.hooks_iter(): comb += [ h.freeze.eq(self._r_freeze.field.r), h.reset.eq(self._r_reset.re) ] return Fragment(comb) + DFGHook.get_fragment(self)
def __init__(self, dfg, nbits): self._r_magic = CSRStatus(16) self._r_neps = CSRStatus(8) self._r_nbits = CSRStatus(8) self._r_freeze = CSRStorage() self._r_reset = CSR() ### DFGHook.__init__(self, dfg, lambda u, ep, v: EndpointReporter(u.endpoints[ep], nbits)) self.comb += [ self._r_magic.status.eq(ISD_MAGIC), self._r_neps.status.eq(len(self.hooks_iter())), self._r_nbits.status.eq(nbits) ] for h in self.hooks_iter(): self.comb += [ h.freeze.eq(self._r_freeze.storage), h.reset.eq(self._r_reset.re) ]
def __init__(self, dfg, nbits):
self._r_magic = CSRStatus(16)
self._r_neps = CSRStatus(8)
self._r_nbits = CSRStatus(8)
self._r_freeze = CSRStorage()
self._r_reset = CSR()
###
DFGHook.__init__(
self, dfg,
lambda u, ep, v: EndpointReporter(getattr(u, ep), nbits))
hooks = list(self.hooks_iter())
self.comb += [
self._r_magic.status.eq(ISD_MAGIC),
self._r_neps.status.eq(len(hooks)),
self._r_nbits.status.eq(nbits)
]
for h in hooks:
self.comb += [
h.freeze.eq(self._r_freeze.storage),
h.reset.eq(self._r_reset.re)
]
