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remove old code, verilog positional pins

devel
Stefan Holst 2 years ago
parent
d921eb5048
commit
c49667edc1
2 changed files with 29 additions and 261 deletions
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  1. 278
      src/kyupy/techlib.py
  2. 12
      src/kyupy/verilog.py

278
src/kyupy/techlib.py
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@ -1,6 +1,7 @@ @@ -1,6 +1,7 @@
from .circuit import Node, Line
from . import bench
def add_and_connect(circuit, name, kind, in1=None, in2=None, out=None):
n = Node(circuit, name, kind)
if in1 is not None:
@ -29,6 +30,8 @@ class TechLib: @@ -29,6 +30,8 @@ class TechLib:
@staticmethod
def pin_index(kind, pin):
"""Returns a pin list position for a given node kind and pin name."""
if isinstance(pin, int):
return max(0, pin-1)
if kind[:3] in ('OAI', 'AOI'):
if pin[0] == 'A': return int(pin[1]) - 1
if pin == 'B': return int(kind[3])
@ -63,270 +66,31 @@ class TechLib: @@ -63,270 +66,31 @@ class TechLib:
@staticmethod
def pin_is_output(kind, pin):
"""Returns True, if given pin name of a node kind is an output."""
if isinstance(pin, int):
return pin == 0
if 'MUX' in kind and pin == 'S': return False
return pin in ('Q', 'QN', 'Z', 'ZN', 'Y', 'CO', 'S', 'SO', 'C1')
@staticmethod
def substitute_nonsim_cells(circuit):
tmap = {'ISOLAND': bench.parse('input(iso, d) output(q) not_iso=not(iso) q=and(not_iso, d)'),
'AO221' : bench.parse('input(in1, in2, in3, in4, in5) output(q) a=ao22(in1, in2, in3, in4) q=or(a, in5)'),
'AOI221' : bench.parse('input(in1, in2, in3, in4, in5) output(qn) a=ao22(in1, in2, in3, in4) qn=nor(a, in5)'),
'OA221' : bench.parse('input(in1, in2, in3, in4, in5) output(q) a=oa22(in1, in2, in3, in4) q=and(a, in5)'),
'OAI221' : bench.parse('input(in1, in2, in3, in4, in5) output(qn) a=oa22(in1, in2, in3, in4) qn=nand(a, in5)'),
'AO222' : bench.parse('input(in1, in2, in3, in4, in5, in6) output(q) a=ao22(in1, in2, in3, in4) q=ao21(in5, in6, a)'),
'AOI222' : bench.parse('input(in1, in2, in3, in4, in5, in6) output(qn) a=ao22(in1, in2, in3, in4) qn=aoi21(in5, in6, a)'),
'OA222' : bench.parse('input(in1, in2, in3, in4, in5, in6) output(q) a=oa22(in1, in2, in3, in4) q=oa21(in5, in6, a)'),
'OAI222' : bench.parse('input(in1, in2, in3, in4, in5, in6) output(qn) a=oa22(in1, in2, in3, in4) qn=oai21(in5, in6, a)'),
'AO221' : bench.parse('input(in1,in2,in3,in4,in5) output(q) a=ao22(in1, in2, in3, in4) q=or(a, in5)'),
'AOI221' : bench.parse('input(in1,in2,in3,in4,in5) output(qn) a=ao22(in1, in2, in3, in4) qn=nor(a, in5)'),
'OA221' : bench.parse('input(in1,in2,in3,in4,in5) output(q) a=oa22(in1, in2, in3, in4) q=and(a, in5)'),
'OAI221' : bench.parse('input(in1,in2,in3,in4,in5) output(qn) a=oa22(in1, in2, in3, in4) qn=nand(a, in5)'),
'AO222' : bench.parse('input(in1,in2,in3,in4,in5,in6) output(q) a=ao22(in1, in2, in3, in4) q=ao21(in5, in6, a)'),
'AOI222' : bench.parse('input(in1,in2,in3,in4,in5,in6) output(qn) a=ao22(in1, in2, in3, in4) qn=aoi21(in5, in6, a)'),
'OA222' : bench.parse('input(in1,in2,in3,in4,in5,in6) output(q) a=oa22(in1, in2, in3, in4) q=oa21(in5, in6, a)'),
'OAI222' : bench.parse('input(in1,in2,in3,in4,in5,in6) output(qn) a=oa22(in1, in2, in3, in4) qn=oai21(in5, in6, a)'),
'HADD' : bench.parse('input(a,b) output(s,co) co=xor(a,b) s=and(a,b)'),
'FADD' : bench.parse('input(a,b,ci) output(s,co) ab=xor(a,b) co=xor(ab,ci) s=ao22(ab,ci,a,b)'),
}
for n in list(circuit.nodes):
for k, v in tmap.items():
if n.kind.startswith(k):
circuit.substitute(n, v)
@staticmethod
def split_complex_gates(circuit):
node_list = circuit.nodes
for n in node_list:
name = n.name
ins = n.ins
outs = n.outs
if n.kind.startswith('AO21X'):
n.remove()
n_and = add_and_connect(circuit, name+'~and', 'AND2', ins[0], ins[1], None)
n_or = add_and_connect(circuit, name+'~or', 'OR2', None, ins[2], outs[0])
Line(circuit, n_and, n_or)
elif n.kind.startswith('AOI21X'):
n.remove()
n_and = add_and_connect(circuit, name+'~and', 'AND2', ins[0], ins[1], None)
n_nor = add_and_connect(circuit, name+'~nor', 'NOR2', None, ins[2], outs[0])
Line(circuit, n_and, n_nor)
elif n.kind.startswith('OA21X'):
n.remove()
n_or = add_and_connect(circuit, name+'~or', 'OR2', ins[0], ins[1], None)
n_and = add_and_connect(circuit, name+'~and', 'AND2', None, ins[2], outs[0])
Line(circuit, n_or, n_and)
elif n.kind.startswith('OAI21X'):
n.remove()
n_or = add_and_connect(circuit, name+'~or', 'OR2', ins[0], ins[1], None)
n_nand = add_and_connect(circuit, name+'~nand', 'NAND2', None, ins[2], outs[0])
Line(circuit, n_or, n_nand)
elif n.kind.startswith('OA22X'):
n.remove()
n_or0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n_or1 = add_and_connect(circuit, name+'~or1', 'OR2', ins[2], ins[3], None)
n_and = add_and_connect(circuit, name+'~and', 'AND2', None, None, outs[0])
Line(circuit, n_or0, n_and)
Line(circuit, n_or1, n_and)
elif n.kind.startswith('OAI22X'):
n.remove()
n_or0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n_or1 = add_and_connect(circuit, name+'~or1', 'OR2', ins[2], ins[3], None)
n_nand = add_and_connect(circuit, name+'~nand', 'NAND2', None, None, outs[0])
Line(circuit, n_or0, n_nand)
Line(circuit, n_or1, n_nand)
elif n.kind.startswith('AO22X'):
n.remove()
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n_and1 = add_and_connect(circuit, name+'~and1', 'AND2', ins[2], ins[3], None)
n_or = add_and_connect(circuit, name+'~or', 'OR2', None, None, outs[0])
Line(circuit, n_and0, n_or)
Line(circuit, n_and1, n_or)
elif n.kind.startswith('AOI22X'):
n.remove()
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n_and1 = add_and_connect(circuit, name+'~and1', 'AND2', ins[2], ins[3], None)
n_nor = add_and_connect(circuit, name+'~nor', 'NOR2', None, None, outs[0])
Line(circuit, n_and0, n_nor)
Line(circuit, n_and1, n_nor)
elif n.kind.startswith('AO221X'):
n.remove()
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n_and1 = add_and_connect(circuit, name+'~and1', 'AND2', ins[2], ins[3], None)
n_or0 = add_and_connect(circuit, name+'~or0', 'OR2', None, None, None)
n_or1 = add_and_connect(circuit, name+'~or1', 'OR2', None, ins[4], outs[0])
Line(circuit, n_and0, n_or0)
Line(circuit, n_and1, n_or0)
Line(circuit, n_or0, n_or1)
elif n.kind.startswith('AOI221X'):
n.remove()
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n_and1 = add_and_connect(circuit, name+'~and1', 'AND2', ins[2], ins[3], None)
n_or = add_and_connect(circuit, name+'~or', 'OR2', None, None, None)
n_nor = add_and_connect(circuit, name+'~nor', 'NOR2', None, ins[4], outs[0])
Line(circuit, n_and0, n_or)
Line(circuit, n_and1, n_or)
Line(circuit, n_or, n_nor)
elif n.kind.startswith('OA221X'):
n.remove()
n_or0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n_or1 = add_and_connect(circuit, name+'~or1', 'OR2', ins[2], ins[3], None)
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', None, None, None)
n_and1 = add_and_connect(circuit, name+'~and1', 'AND2', None, ins[4], outs[0])
Line(circuit, n_or0, n_and0)
Line(circuit, n_or1, n_and0)
Line(circuit, n_and0, n_and1)
elif n.kind.startswith('OAI221X'):
n.remove()
n_or0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n_or1 = add_and_connect(circuit, name+'~or1', 'OR2', ins[2], ins[3], None)
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', None, None, None)
n_nand1 = add_and_connect(circuit, name+'~nand1', 'NAND2', None, ins[4], outs[0])
Line(circuit, n_or0, n_and0)
Line(circuit, n_or1, n_and0)
Line(circuit, n_and0, n_nand1)
elif n.kind.startswith('AO222X'):
n.remove()
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n_and1 = add_and_connect(circuit, name+'~and1', 'AND2', ins[2], ins[3], None)
n_and2 = add_and_connect(circuit, name+'~and2', 'AND2', ins[4], ins[5], None)
n_or0 = add_and_connect(circuit, name+'~or0', 'OR2', None, None, None)
n_or1 = add_and_connect(circuit, name+'~or1', 'OR2', None, None, outs[0])
Line(circuit, n_and0, n_or0)
Line(circuit, n_and1, n_or0)
Line(circuit, n_and2, n_or1)
Line(circuit, n_or0, n_or1)
elif n.kind.startswith('AOI222X'):
n.remove()
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n_and1 = add_and_connect(circuit, name+'~and1', 'AND2', ins[2], ins[3], None)
n_and2 = add_and_connect(circuit, name+'~and2', 'AND2', ins[4], ins[5], None)
n_or0 = add_and_connect(circuit, name+'~or0', 'OR2', None, None, None)
n_nor1 = add_and_connect(circuit, name+'~nor1', 'NOR2', None, None, outs[0])
Line(circuit, n_and0, n_or0)
Line(circuit, n_and1, n_or0)
Line(circuit, n_and2, n_nor1)
Line(circuit, n_or0, n_nor1)
elif n.kind.startswith('OA222X'):
n.remove()
n_or0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n_or1 = add_and_connect(circuit, name+'~or1', 'OR2', ins[2], ins[3], None)
n_or2 = add_and_connect(circuit, name+'~or2', 'OR2', ins[4], ins[5], None)
n_and0 = add_and_connect(circuit, name+'~and0', 'AND2', None, None, None)
n_and1 = add_and_connect(circuit, name+'~and1', 'AND2', None, None, outs[0])
Line(circuit, n_or0, n_and0)
Line(circuit, n_or1, n_and0)
Line(circuit, n_or2, n_and1)
Line(circuit, n_and0, n_and1)
elif n.kind.startswith('OAI222X'):
n.remove()
n0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~or1', 'OR2', ins[2], ins[3], None)
n2 = add_and_connect(circuit, name+'~or2', 'OR2', ins[4], ins[5], None)
n3 = add_and_connect(circuit, name+'~and0', 'AND2', None, None, None)
n4 = add_and_connect(circuit, name+'~nand1', 'NAND2', None, None, outs[0])
Line(circuit, n0, n3)
Line(circuit, n1, n3)
Line(circuit, n2, n4)
Line(circuit, n3, n4)
elif n.kind.startswith('AND3X'):
n.remove()
n0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~and1', 'AND2', None, ins[2], outs[0])
Line(circuit, n0, n1)
elif n.kind.startswith('OR3X'):
n.remove()
n0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~or1', 'OR2', None, ins[2], outs[0])
Line(circuit, n0, n1)
elif n.kind.startswith('XOR3X'):
n.remove()
n0 = add_and_connect(circuit, name+'~xor0', 'XOR2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~xor1', 'XOR2', None, ins[2], outs[0])
Line(circuit, n0, n1)
elif n.kind.startswith('NAND3X'):
n.remove()
n0 = add_and_connect(circuit, name+'~and', 'AND2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~nand', 'NAND2', None, ins[2], outs[0])
Line(circuit, n0, n1)
elif n.kind.startswith('NOR3X'):
n.remove()
n0 = add_and_connect(circuit, name+'~or', 'OR2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~nor', 'NOR2', None, ins[2], outs[0])
Line(circuit, n0, n1)
elif n.kind.startswith('XNOR3X'):
n.remove()
n0 = add_and_connect(circuit, name+'~xor', 'XOR2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~xnor', 'XNOR2', None, ins[2], outs[0])
Line(circuit, n0, n1)
elif n.kind.startswith('AND4X'):
n.remove()
n0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~and1', 'AND2', ins[2], ins[3], None)
n2 = add_and_connect(circuit, name+'~and2', 'AND2', None, None, outs[0])
Line(circuit, n0, n2)
Line(circuit, n1, n2)
elif n.kind.startswith('OR4X'):
n.remove()
n0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~or1', 'OR2', ins[2], ins[3], None)
n2 = add_and_connect(circuit, name+'~or2', 'OR2', None, None, outs[0])
Line(circuit, n0, n2)
Line(circuit, n1, n2)
elif n.kind.startswith('NAND4X'):
n.remove()
n0 = add_and_connect(circuit, name+'~and0', 'AND2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~and1', 'AND2', ins[2], ins[3], None)
n2 = add_and_connect(circuit, name+'~nand2', 'NAND2', None, None, outs[0])
Line(circuit, n0, n2)
Line(circuit, n1, n2)
elif n.kind.startswith('NOR4X'):
n.remove()
n0 = add_and_connect(circuit, name+'~or0', 'OR2', ins[0], ins[1], None)
n1 = add_and_connect(circuit, name+'~or1', 'OR2', ins[2], ins[3], None)
n2 = add_and_connect(circuit, name+'~nor2', 'NOR2', None, None, outs[0])
Line(circuit, n0, n2)
Line(circuit, n1, n2)
elif n.kind.startswith('FADDX'):
n.remove()
# forks for fan-outs
f_a = add_and_connect(circuit, name + '~fork0', '__fork__', ins[0])
f_b = add_and_connect(circuit, name + '~fork1', '__fork__', ins[1])
f_ci = add_and_connect(circuit, name + '~fork2', '__fork__', ins[2])
f_ab = Node(circuit, name + '~fork3')
# sum-block
n_xor0 = Node(circuit, name + '~xor0', 'XOR2')
Line(circuit, f_a, n_xor0)
Line(circuit, f_b, n_xor0)
Line(circuit, n_xor0, f_ab)
if len(outs) > 0 and outs[0] is not None:
n_xor1 = add_and_connect(circuit, name + '~xor1', 'XOR2', None, None, outs[0])
Line(circuit, f_ab, n_xor1)
Line(circuit, f_ci, n_xor1)
# carry-block
if len(outs) > 1 and outs[1] is not None:
n_and0 = Node(circuit, name + '~and0', 'AND2')
Line(circuit, f_ab, n_and0)
Line(circuit, f_ci, n_and0)
n_and1 = Node(circuit, name + '~and1', 'AND2')
Line(circuit, f_a, n_and1)
Line(circuit, f_b, n_and1)
n_or = add_and_connect(circuit, name + '~or0', 'OR2', None, None, outs[1])
Line(circuit, n_and0, n_or)
Line(circuit, n_and1, n_or)
elif n.kind.startswith('HADDX'):
n.remove()
# forks for fan-outs
f_a = add_and_connect(circuit, name + '~fork0', '__fork__', ins[0])
f_b = add_and_connect(circuit, name + '~fork1', '__fork__', ins[1])
n_xor0 = add_and_connect(circuit, name + '~xor0', 'XOR2', None, None, outs[1])
Line(circuit, f_a, n_xor0)
Line(circuit, f_b, n_xor0)
n_and0 = add_and_connect(circuit, name + '~and0', 'AND2', None, None, outs[0])
Line(circuit, f_a, n_and0)
Line(circuit, f_b, n_and0)
elif n.kind.startswith('MUX21X'):
n.remove()
f_s = add_and_connect(circuit, name + '~fork0', '__fork__', ins[2])
n_not = Node(circuit, name + '~not', 'INV')
Line(circuit, f_s, n_not)
n_and0 = add_and_connect(circuit, name + '~and0', 'AND2', ins[0])
n_and1 = add_and_connect(circuit, name + '~and1', 'AND2', ins[1])
n_or0 = add_and_connect(circuit, name + '~or0', 'OR2', None, None, outs[0])
Line(circuit, n_not, n_and0)
Line(circuit, f_s, n_and1)
Line(circuit, n_and0, n_or0)
Line(circuit, n_and1, n_or0)
elif n.kind.startswith('DFFSSR'):
if n.kind.startswith('DFFSSR'):
n.kind = 'DFFX1'
n_and0 = add_and_connect(circuit, name + '~and0', 'AND2', ins[0], ins[2], None)
n_and0 = add_and_connect(circuit, n.name + '~and0', 'AND2', n.ins[0], n.ins[2], None)
Line(circuit, n_and0, (n, 0))
else:
for k, v in tmap.items():
if n.kind.startswith(k):
circuit.substitute(n, v)

12
src/kyupy/verilog.py
Unescape View File

@ -48,9 +48,13 @@ class VerilogTransformer(Transformer): @@ -48,9 +48,13 @@ class VerilogTransformer(Transformer):
@staticmethod
def instantiation(args):
return Instantiation(args[0], args[1],
dict((pin.children[0],
pin.children[1]) for pin in args[2:] if len(pin.children) > 1))
pinmap = {}
for idx, pin in enumerate(args[2:]):
if len(pin.children) > 1:
pinmap[pin.children[0]] = pin.children[1]
else:
pinmap[idx] = pin.children[0]
return Instantiation(args[0], args[1], pinmap)
def range(self, args):
left = int(args[0].value)
@ -186,7 +190,7 @@ GRAMMAR = r""" @@ -186,7 +190,7 @@ GRAMMAR = r"""
wire: "wire" range? _namelist ";"
assign: "assign" sigsel "=" sigsel ";"
instantiation: name name "(" [ pin ( "," pin )* ] ")" ";"
pin: "." name "(" sigsel? ")"
pin: ("." name "(" sigsel? ")" ) | sigsel
range: "[" /[0-9]+/ (":" /[0-9]+/)? "]"
sigsel: name range? | concat
concat: "{" sigsel ( "," sigsel )* "}"

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