def __init__(self, sim: "BasicRtlSimulator", name="Ram_dp"):
BasicRtlSimModel.__init__(self, sim, name=name)
# ports
self.io.a_addr = BasicRtlSimProxy(sim, self, "a_addr", Bits3t(8, 0),
None)
self.io.a_clk = BasicRtlSimProxy(sim, self, "a_clk", Bits3t(1, 0),
None)
self.io.a_din = BasicRtlSimProxy(sim, self, "a_din", Bits3t(64, 0),
None)
self.io.a_dout = BasicRtlSimProxy(sim, self, "a_dout", Bits3t(64, 0),
None)
self.io.a_en = BasicRtlSimProxy(sim, self, "a_en", Bits3t(1, 0), None)
self.io.a_we = BasicRtlSimProxy(sim, self, "a_we", Bits3t(1, 0), None)
self.io.b_addr = BasicRtlSimProxy(sim, self, "b_addr", Bits3t(8, 0),
None)
self.io.b_clk = BasicRtlSimProxy(sim, self, "b_clk", Bits3t(1, 0),
None)
self.io.b_din = BasicRtlSimProxy(sim, self, "b_din", Bits3t(64, 0),
None)
self.io.b_dout = BasicRtlSimProxy(sim, self, "b_dout", Bits3t(64, 0),
None)
self.io.b_en = BasicRtlSimProxy(sim, self, "b_en", Bits3t(1, 0), None)
self.io.b_we = BasicRtlSimProxy(sim, self, "b_we", Bits3t(1, 0), None)
# internal signals
self.io.ram_memory = BasicRtlSimProxy(sim, self, "ram_memory",
self.arr_t_0, None)
self.const_0 = Array3val(self.arr_t_0, {}, 0)
self.const_0_0 = Bits3val(Bits3t(64, 0), 0, 0)
self.const_1_0 = Bits3val(Bits3t(1, 0), 1, 1)
def __setitem__(self, index, value):
"""
this []= operator can not be called in desing description, it can be only used to update HValues
"""
if not isinstance(self, HValue):
raise TypeError(
"To assign a member of hdl arrray/vector/list/... use a[index](val) instead of a[index] = val"
)
# convert index to hSlice or hInt
if isinstance(index, HValue):
index = index
elif isinstance(index, slice):
length = self._dtype.bit_length()
index = slice_to_SLICE(index, length)
if not index._is_full_valid():
raise ValueError("invalid index", index)
else:
index = hInt(index)
# convert value to bits of length specified by index
if index._dtype == SLICE:
Bits = self._dtype.__class__
itemT = Bits(index._size())
else:
itemT = BIT
if isinstance(value, HValue):
value = value._auto_cast(itemT)
else:
value = itemT.from_py(value)
return Bits3val.__setitem__(self, index, value)
def __floordiv__(self, other) -> "Bits3val":
other = toHVal(other)
if isinstance(self, Value) and isinstance(other, Value):
return Bits3val.__floordiv__(self, other)
else:
return Operator.withRes(AllOps.MUL, [self, other],
self._dtype.__copy__())
def __floordiv__(self, other) -> "Bits3val":
other = toHVal(other, suggestedType=self._dtype)
if isinstance(self, HValue) and isinstance(other, HValue):
return Bits3val.__floordiv__(self, other)
else:
if not isinstance(other._dtype, self._dtype.__class__):
raise TypeError()
return Operator.withRes(AllOps.DIV, [self, other],
self._dtype.__copy__())
def __neg__(self):
if isinstance(self, HValue):
return Bits3val.__neg__(self)
else:
if not self._dtype.signed:
self = self._signed()
resT = self._dtype
o = Operator.withRes(AllOps.MINUS_UNARY, [self], self._dtype)
return o._auto_cast(resT)
def __invert__(self):
if isinstance(self, HValue):
return Bits3val.__invert__(self)
else:
try:
# double negation
d = self.singleDriver()
if isinstance(d, Operator) and d.operator == AllOps.NOT:
return d.operands[0]
except SignalDriverErr:
pass
return Operator.withRes(AllOps.NOT, [self], self._dtype)
def __mul__(self, other):
Bits = self._dtype.__class__
other = toHVal(other)
if not isinstance(other._dtype, Bits):
raise TypeError(other)
self_is_val = isinstance(self, HValue)
other_is_val = isinstance(other, HValue)
if self_is_val and other_is_val:
return Bits3val.__mul__(self, other)
else:
# reduce *1 and *0
if self_is_val and self._is_full_valid():
_s = int(self)
if _s == 0:
return self._dtype.from_py(0)
elif _s:
return other._auto_cast(self._dtype)
if other_is_val and other._is_full_valid():
_o = int(other)
if _o == 0:
return self._dtype.from_py(0)
elif _o == 1:
return self
myT = self._dtype
if self._dtype.signed is None:
self = self._unsigned()
if isinstance(other._dtype, Bits):
s = other._dtype.signed
if s is None:
other = other._unsigned()
else:
raise TypeError("%r %r %r" % (self, AllOps.MUL, other))
if other._dtype == INT:
res_w = myT.bit_length()
res_sign = self._dtype.signed
subResT = resT = myT
else:
res_w = max(myT.bit_length(), other._dtype.bit_length())
res_sign = self._dtype.signed or other._dtype.signed
subResT = Bits(res_w, signed=res_sign)
resT = Bits(res_w, signed=myT.signed)
o = Operator.withRes(AllOps.MUL, [self, other], subResT)
return o._auto_cast(resT)
def __setitem__(self, index, value):
"""
this can not be called in desing description on non static values,
only simulator can resolve this (in design use self[index] ** value
instead of self[index] = value)
"""
# convert index to hSlice or hInt
indexConst = True
if not isinstance(index, Value):
if isinstance(index, RtlSignalBase):
if index._const:
index = index.staticEval()
else:
indexConst = False
elif isinstance(index, slice):
length = self._dtype.bit_length()
index = slice_to_SLICE(index, length)
else:
index = hInt(index)
if indexConst and not index._is_full_valid():
indexConst = False
# convert value to bits of length specified by index
if indexConst:
if index._dtype == SLICE:
Bits = self._dtype.__class__
itemT = Bits(index._size())
else:
itemT = BIT
if not isinstance(value, Value):
if isinstance(value, RtlSignalBase):
if value._const:
value = value.staticEval()._auto_cast(itemT)
valueConst = True
else:
valueConst = False
else:
value = itemT.from_py(value)
valueConst = True
else:
valueConst = True
value = value._auto_cast(itemT)
if indexConst and valueConst and isinstance(self, Value):
return Bits3val.__setitem__(self, index, value)
raise TypeError(
"Only simulator can resolve []= for signals or invalid index")
def _concat__val(self, other):
return Bits3val._concat(self, other)
def _convSign__val(self, signed):
v = Bits3val.cast_sign(self, signed)
if signed is not None:
assert v._dtype is not self._dtype, "can modify shared type instance"
v._dtype.force_vector = True
return v
def __hash__(self):
if isinstance(self, RtlSignalBase):
return hash(id(self))
else:
return Bits3val.__hash__(self)
def __getitem__(self, key):
"""
[] operator
:attention: Table below is for litle endian bit order (MSB:LSB)
which is default.
This is **reversed** as it is in pure python
where it is [0, len(self)].
:attention: slice on slice f signal is automatically reduced
to single slice
+-----------------------------+----------------------------------------------------------------------------------+
| a[up:low] | items low through up; a[16:8] selects upper byte from 16b vector a |
+-----------------------------+----------------------------------------------------------------------------------+
| a[up:] | low is automatically substituted with 0; a[8:] will select lower 8 bits |
+-----------------------------+----------------------------------------------------------------------------------+
| a[:end] | up is automatically substituted; a[:8] will select upper byte from 16b vector a |
+-----------------------------+----------------------------------------------------------------------------------+
| a[:], a[-1], a[-2:], a[:-2] | raises NotImplementedError (not implemented due to complicated support in hdl) |
+-----------+----------------------------------------------------------------------------------------------------+
"""
st = self._dtype
length = st.bit_length()
if length == 1 and not st.force_vector:
# assert not indexing on single bit
raise TypeError("indexing on single bit")
if isinstance(key, slice):
key = slice_to_SLICE(key, length)
isSLICE = True
else:
isSLICE = isinstance(key, Slice.getValueCls())
if isSLICE:
# :note: downto notation
start = key.val.start
stop = key.val.stop
if key.val.step != -1:
raise NotImplementedError()
startIsVal = isinstance(start, HValue)
stopIsVal = isinstance(stop, HValue)
indexesareHValues = startIsVal and stopIsVal
else:
key = toHVal(key, INT)
iamVal = isinstance(self, HValue)
iAmResultOfIndexing = (not iamVal and len(self.drivers) == 1
and isinstance(self.origin, Operator)
and self.origin.operator == AllOps.INDEX)
Bits = self._dtype.__class__
if isSLICE:
if indexesareHValues and start.val == length and stop.val == 0:
# selecting all bits no conversion needed
return self
if iAmResultOfIndexing:
# try reduce self and parent slice to one
original, parentIndex = self.origin.operands
if isinstance(parentIndex._dtype, Slice):
parentLower = parentIndex.val.stop
start = start + parentLower
stop = stop + parentLower
return original[start:stop]
# check start boundaries
if startIsVal:
_start = int(start)
if _start < 0 or _start > length:
raise IndexError(_start, length)
# check end boundaries
if stopIsVal:
_stop = int(stop)
if _stop < 0 or _stop > length:
raise IndexError(_stop, length)
# check width of selected range
if startIsVal and stopIsVal and _start - _stop <= 0:
raise IndexError(_start, _stop)
if iamVal:
if isinstance(key, SLICE.getValueCls()):
key = key.val
v = Bits3val.__getitem__(self, key)
if v._dtype.bit_length() == 1 and not v._dtype.force_vector:
assert v._dtype is not self._dtype
v._dtype.force_vector = True
return v
else:
key = SLICE.from_py(slice(start, stop, -1))
_resWidth = start - stop
resT = Bits(bit_length=_resWidth,
force_vector=True,
signed=st.signed,
negated=st.negated)
elif isinstance(key, Bits.getValueCls()):
if key._is_full_valid():
# check index range
_v = int(key)
if _v < 0 or _v > length - 1:
raise IndexError(_v)
if iAmResultOfIndexing:
original, parentIndex = self.origin.operands
if isinstance(parentIndex._dtype, Slice):
parentLower = parentIndex.val.stop
return original[parentLower + _v]
if iamVal:
return Bits3val.__getitem__(self, key)
resT = BIT
elif isinstance(key, RtlSignalBase):
t = key._dtype
if isinstance(t, Slice):
resT = Bits(bit_length=key.staticEval()._size(),
force_vector=True,
signed=st.signed,
negated=st.negated)
elif isinstance(t, Bits):
resT = BIT
else:
raise TypeError("Index operation not implemented"
" for index of type %r" % (t))
else:
raise TypeError("Index operation not implemented for index %r" %
(key))
if st.negated and resT is BIT:
resT = BIT_N
return Operator.withRes(AllOps.INDEX, [self, key], resT)
def _convSign__val(self, signed):
return Bits3val.cast_sign(self, signed)
def __init__(self, sim: "BasicRtlSimulator", name="Showcase0"):
BasicRtlSimModel.__init__(self, sim, name=name)
# ports
self.io.a = BasicRtlSimProxy(sim, self, "a", Bits3t(32, 0), None)
self.io.b = BasicRtlSimProxy(sim, self, "b", Bits3t(32, 1), None)
self.io.c = BasicRtlSimProxy(sim, self, "c", Bits3t(32, 0), None)
self.io.clk = BasicRtlSimProxy(sim, self, "clk", Bits3t(1, 0), None)
self.io.cmp_0 = BasicRtlSimProxy(sim, self, "cmp_0", Bits3t(1, 0),
None)
self.io.cmp_1 = BasicRtlSimProxy(sim, self, "cmp_1", Bits3t(1, 0),
None)
self.io.cmp_2 = BasicRtlSimProxy(sim, self, "cmp_2", Bits3t(1, 0),
None)
self.io.cmp_3 = BasicRtlSimProxy(sim, self, "cmp_3", Bits3t(1, 0),
None)
self.io.cmp_4 = BasicRtlSimProxy(sim, self, "cmp_4", Bits3t(1, 0),
None)
self.io.cmp_5 = BasicRtlSimProxy(sim, self, "cmp_5", Bits3t(1, 0),
None)
self.io.contOut = BasicRtlSimProxy(sim, self, "contOut", Bits3t(32, 0),
None)
self.io.d = BasicRtlSimProxy(sim, self, "d", Bits3t(32, 0), None)
self.io.e = BasicRtlSimProxy(sim, self, "e", Bits3t(1, 0), None)
self.io.f = BasicRtlSimProxy(sim, self, "f", Bits3t(1, 0), None)
self.io.fitted = BasicRtlSimProxy(sim, self, "fitted", Bits3t(16, 0),
None)
self.io.g = BasicRtlSimProxy(sim, self, "g", Bits3t(8, 0), None)
self.io.h = BasicRtlSimProxy(sim, self, "h", Bits3t(8, 0), None)
self.io.i = BasicRtlSimProxy(sim, self, "i", Bits3t(2, 0), None)
self.io.j = BasicRtlSimProxy(sim, self, "j", Bits3t(8, 0), None)
self.io.k = BasicRtlSimProxy(sim, self, "k", Bits3t(32, 0), None)
self.io.out = BasicRtlSimProxy(sim, self, "out", Bits3t(1, 0), None)
self.io.output = BasicRtlSimProxy(sim, self, "output", Bits3t(1, 0),
None)
self.io.rst_n = BasicRtlSimProxy(sim, self, "rst_n", Bits3t(1, 0),
None)
self.io.sc_signal = BasicRtlSimProxy(sim, self, "sc_signal",
Bits3t(8, 0), None)
# internal signals
self.const_private_signal = Bits3val(Bits3t(32, 0), 123, 4294967295)
self.io.fallingEdgeRam = BasicRtlSimProxy(sim, self, "fallingEdgeRam",
self.arr_t_0, None)
self.io.r = BasicRtlSimProxy(sim, self, "r", Bits3t(1, 0),
Bits3val(Bits3t(1, 0), 0, 1))
self.io.r_0 = BasicRtlSimProxy(sim, self, "r_0", Bits3t(2, 0),
Bits3val(Bits3t(2, 0), 0, 3))
self.io.r_1 = BasicRtlSimProxy(sim, self, "r_1", Bits3t(2, 0),
Bits3val(Bits3t(2, 0), 0, 3))
self.io.r_next = BasicRtlSimProxy(sim, self, "r_next", Bits3t(1, 0),
None)
self.io.r_next_0 = BasicRtlSimProxy(sim, self, "r_next_0",
Bits3t(2, 0), None)
self.io.r_next_1 = BasicRtlSimProxy(sim, self, "r_next_1",
Bits3t(2, 0), None)
self.rom = Array3val(
self.arr_t_1, {
0: Bits3val(Bits3t(8, 0), 0, 255),
1: Bits3val(Bits3t(8, 0), 1, 255),
2: Bits3val(Bits3t(8, 0), 2, 255),
3: Bits3val(Bits3t(8, 0), 3, 255)
}, 1)
self.const_4_0 = Bits3val(Bits3t(32, 0), 4, 4294967295)
self.const_4_1 = Bits3val(Bits3t(32, 1), 4, 4294967295)
self.const_0 = Array3val(self.arr_t_0, {}, 0)
self.const_0_0 = Bits3val(Bits3t(32, 0), 0, 0)
self.const_1 = slice(8, 0, -1)
self.const_0_1 = Bits3val(Bits3t(24, 0), 0, 16777215)
self.const_2 = slice(16, 0, -1)
self.const_1_0 = Bits3val(Bits3t(32, 1), 1, 4294967295)
self.const_0_2 = Bits3val(Bits3t(32, 1), 0, 4294967295)
self.const_3 = slice(6, 0, -1)
self.const_0_3 = Bits3val(Bits3t(8, 0), 0, 0)
self.const_2_0 = Bits3val(Bits3t(32, 1), 2, 4294967295)
self.const_1_1 = Bits3val(Bits3t(1, 0), 1, 1)
self.const_0_4 = Bits3val(Bits3t(8, 0), 0, 255)
self.const_1_2 = Bits3val(Bits3t(8, 0), 1, 255)
self.const_2_1 = Bits3val(Bits3t(8, 0), 2, 255)
self.const_0_5 = Bits3val(Bits3t(1, 0), 0, 1)
self.const_0_6 = Bits3val(Bits3t(1, 0), 0, 0)
self.const_0_7 = Bits3val(Bits3t(2, 0), 0, 0)
self.const_0_8 = Bits3val(Bits3t(2, 0), 0, 3)
self.const_1_3 = Bits3val(Bits3t(32, 0), 1, 4294967295)
self.const_2_2 = Bits3val(Bits3t(32, 0), 2, 4294967295)
self.const_3_0 = Bits3val(Bits3t(32, 0), 3, 4294967295)
self.const_3_1 = Bits3val(Bits3t(8, 0), 3, 255)
self.const_4_2 = Bits3val(Bits3t(8, 0), 4, 255)