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fuzzers: 007: refactor aliased pins detection 

Signed-off-by: Karol Gugala <kgugala@antmicro.com>
This commit is contained in:
Karol Gugala 2019-06-05 11:32:28 +02:00
parent 26614e5ed4
commit bb9bc7bfdd
1 changed files with 55 additions and 20 deletions
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75
fuzzers/007-timing/bel/tim2json.py
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@ -45,6 +45,50 @@ def clean_bname(bname):
return bname
def find_aliased_pin(pin, model, pin_aliases):
"""
Searches for aliased pins
Args:
pin: pin name to look for
model: timing model string
pin_aliases: A dict of list of aliases for given bel/site
Returns:
is_pin_aliased: Bool
new_pin_name: string
If pin is found in the alias list the function returs a
new pin name which should be used in further processing
>>> find_aliased_pin("a", "a_b_some_test_string", None)
(False, None)
>>> find_aliased_pin("d", "din_dout_setup", {"D": {"names" : ["din"], "property" : False}})
(True, 'din')
>>> find_aliased_pin("d", "din_dout_setup", {"D": {"names" : ["din"], "property" : True}})
(True, 'd')
>>> find_aliased_pin("d", "din_dout_setup", {"D": {"names" : ["notdin"], "property" : True}})
(False, None)
"""
if (pin_aliases is not None) and (pin.upper() in pin_aliases):
for alias in pin_aliases[pin.upper()]['names']:
single_word_alias = (len(alias.split('_')) == 1)
pin_alias = alias.lower()
if single_word_alias:
model_to_check = model.split('_')
else:
model_to_check = model
if pin_alias in model_to_check:
if pin_aliases[pin.upper()]['property']:
return True, pin.lower()
else:
return True, pin_alias
return False, None
def pin_in_model(pin, pin_aliases, model, direction=None):
"""
Checks if a given pin belongs to the model.
@ -64,22 +108,24 @@ def pin_in_model(pin, pin_aliases, model, direction=None):
>>> pin_in_model("q", None, "ff_init_clk_q", None)
(True, 'q')
>>> pin_in_model("q", {"Q": ["QL", "QH"]}, "ff_init_clk_ql", None)
>>> pin_in_model("q", {"Q": {"names" : ["QL", "QH"], "property" : True}}, "ff_init_clk_ql", None)
(True, 'q')
>>> pin_in_model("logic_out", None, "my_cell_i_logic_out", None)
(True, 'logic_out')
>>> pin_in_model("logic_out", {"LOGIC_OUT": ["LOGIC_O", "O"]}, "my_cell_i_logic_o", None)
(True, 'logic_out')
>>> pin_in_model("logic_out", {"LOGIC_OUT": {"names" : ["LOGIC_O", "O"], "property" : False}}, "my_cell_i_logic_o", None)
(True, 'logic_o')
>>> pin_in_model("logic_out", {"LOGIC_OUT": ["LOGIC_O", "O"]}, "my_cell_i_o", None)
(True, 'logic_out')
>>> pin_in_model("logic_out", {"LOGIC_OUT": {"names" : ["LOGIC_O", "O"], "property" : False}}, "my_cell_i_o", None)
(True, 'o')
"""
# strip site location
model = model.split(':')[0]
extended_pin_name = pin
aliased_pin, aliased_pin_name = find_aliased_pin(
pin.upper(), model, pin_aliases)
# some timings reports pins with their directions
# this happens for e.g. CLB reg_init D pin, which
@ -93,27 +139,16 @@ def pin_in_model(pin, pin_aliases, model, direction=None):
return True, pin
elif extended_pin_name in model.split('_'):
return True, extended_pin_name
elif (pin_aliases is not None) and (pin.upper() in pin_aliases):
for alias in pin_aliases[pin.upper()]['names']:
pin_alias = alias.lower()
if pin_alias in model.split('_'):
if pin_aliases[pin.upper()]['property']:
return True, pin
else:
return True, pin_alias
return False, None
elif aliased_pin:
return True, aliased_pin_name
else:
return False, None
return False, None
else:
# pin name is multi word, search for a string
if pin in model:
return True, pin
elif pin_aliases is not None:
for alias in pin_aliases.get(pin.upper(), ()):
pin_alias = alias.lower()
if pin_alias in model:
return True, pin
elif aliased_pin:
return True, aliased_pin_name
else:
return False, None