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fhdl: move insert_resets to tools

This commit is contained in:
Sebastien Bourdeauducq 2013-08-08 11:32:58 +02:00
parent 305c6985bc
commit eb1417c5ed
2 changed files with 10 additions and 10 deletions
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9
migen/fhdl/tools.py
View File

@ -128,6 +128,15 @@ def generate_reset(rst, sl):
def insert_reset(rst, sl):
return [If(rst, *generate_reset(rst, sl)).Else(*sl)]
def insert_resets(f):
newsync = dict()
for k, v in f.sync.items():
if f.clock_domains[k].rst is not None:
newsync[k] = insert_reset(ResetSignal(k), v)
else:
newsync[k] = v
f.sync = newsync
class _Lowerer(NodeTransformer):
def __init__(self):
self.target_context = False

11
migen/fhdl/verilog.py
View File

@ -201,15 +201,6 @@ def _printcomb(f, ns, display_run):
r += "\n"
return r
def _insert_resets(f):
newsync = dict()
for k, v in f.sync.items():
if f.clock_domains[k].rst is not None:
newsync[k] = insert_reset(ResetSignal(k), v)
else:
newsync[k] = v
f.sync = newsync
def _printsync(f, ns):
r = ""
for k, v in sorted(f.sync.items(), key=itemgetter(0)):
@ -303,7 +294,7 @@ def convert(f, ios=None, name="top",
raise KeyError("Unresolved clock domain: '"+cd_name+"'")
f = lower_complex_slices(f)
_insert_resets(f)
insert_resets(f)
f = lower_basics(f)
fs, lowered_specials = _lower_specials(special_overrides, f.specials)
f += lower_basics(fs)