(x == y)
)
+def get_rs_case(dut, a, b, mid):
+ in_a, in_b = dut.rs[0]
+ out_z = dut.res[0]
+ yield dut.ids.in_mid.eq(mid)
+ yield in_a.v.eq(a)
+ yield in_a.valid_i.eq(1)
+ yield
+ yield
+ yield
+ yield
+ a_ack = (yield in_a.ready_o)
+ assert a_ack == 0
+
+ yield in_a.valid_i.eq(0)
+
+ yield in_b.v.eq(b)
+ yield in_b.valid_i.eq(1)
+ yield
+ yield
+ b_ack = (yield in_b.ready_o)
+ assert b_ack == 0
+
+ yield in_b.valid_i.eq(0)
+
+ yield out_z.ready_i.eq(1)
+
+ while True:
+ out_z_stb = (yield out_z.valid_o)
+ if not out_z_stb:
+ yield
+ continue
+ vout_z = yield out_z.v
+ #out_mid = yield dut.ids.out_mid
+ yield out_z.ready_i.eq(0)
+ yield
+ break
+
+ return vout_z, mid
+
+def check_rs_case(dut, a, b, z, mid=None):
+ if mid is None:
+ mid = randint(0, 6)
+ mid = 0
+ out_z, out_mid = yield from get_rs_case(dut, a, b, mid)
+ assert out_z == z, "Output z 0x%x not equal to expected 0x%x" % (out_z, z)
+ assert out_mid == mid, "Output mid 0x%x != expected 0x%x" % (out_mid, mid)
+
+
def get_case(dut, a, b, mid):
- yield dut.in_mid.eq(mid)
+ #yield dut.in_mid.eq(mid)
yield dut.in_a.v.eq(a)
- yield dut.in_a.stb.eq(1)
+ yield dut.in_a.valid_i_test.eq(1)
+ yield
+ yield
yield
yield
- a_ack = (yield dut.in_a.ack)
+ a_ack = (yield dut.in_a.ready_o)
assert a_ack == 0
- yield dut.in_a.stb.eq(0)
+ yield dut.in_a.valid_i.eq(0)
yield dut.in_b.v.eq(b)
- yield dut.in_b.stb.eq(1)
+ yield dut.in_b.valid_i.eq(1)
yield
yield
- b_ack = (yield dut.in_b.ack)
+ b_ack = (yield dut.in_b.ready_o)
assert b_ack == 0
- yield dut.in_b.stb.eq(0)
+ yield dut.in_b.valid_i.eq(0)
- yield dut.out_z.ack.eq(1)
+ yield dut.out_z.ready_i.eq(1)
while True:
- out_z_stb = (yield dut.out_z.stb)
+ out_z_stb = (yield dut.out_z.valid_o)
if not out_z_stb:
yield
continue
out_z = yield dut.out_z.v
- out_mid = yield dut.out_mid
- yield dut.out_z.ack.eq(0)
+ #out_mid = yield dut.out_mid
+ yield dut.out_z.ready_i.eq(0)
yield
break
- return out_z, out_mid
+ return out_z, mid # TODO: mid
def check_case(dut, a, b, z, mid=None):
if mid is None:
mid = randint(0, 6)
+ mid = 0
out_z, out_mid = yield from get_case(dut, a, b, mid)
assert out_z == z, "Output z 0x%x not equal to expected 0x%x" % (out_z, z)
assert out_mid == mid, "Output mid 0x%x != expected 0x%x" % (out_mid, mid)
-def run_test(dut, stimulus_a, stimulus_b, op):
+def run_test(dut, stimulus_a, stimulus_b, op, get_case_fn):
expected_responses = []
actual_responses = []
for a, b in zip(stimulus_a, stimulus_b):
mid = randint(0, 6)
+ mid = 0
af = Float32.from_bits(a)
bf = Float32.from_bits(b)
z = op(af, bf)
expected_responses.append((z.get_bits(), mid))
- #print (af, bf, z)
- actual = yield from get_case(dut, a, b, mid)
+ actual = yield from get_case_fn(dut, a, b, mid)
actual_responses.append(actual)
if len(actual_responses) < len(expected_responses):
if not passed:
+ expected = expected[0]
+ actual = actual[0]
print ("Fail ... expected:", hex(expected), "actual:", hex(actual))
print (hex(a))
corner_cases = [0x80000000, 0x00000000, 0x7f800000, 0xff800000,
0x7fc00000, 0xffc00000]
-def run_corner_cases(dut, count, op):
+def run_corner_cases(dut, count, op, get_case_fn):
#corner cases
from itertools import permutations
stimulus_a = [i[0] for i in permutations(corner_cases, 2)]
stimulus_b = [i[1] for i in permutations(corner_cases, 2)]
- yield from run_test(dut, stimulus_a, stimulus_b, op)
+ yield from run_test(dut, stimulus_a, stimulus_b, op, get_case_fn)
count += len(stimulus_a)
print (count, "vectors passed")
-def run_test_2(dut, stimulus_a, stimulus_b, op):
- yield from run_test(dut, stimulus_a, stimulus_b, op)
- yield from run_test(dut, stimulus_b, stimulus_a, op)
+def run_test_2(dut, stimulus_a, stimulus_b, op, get_case_fn):
+ yield from run_test(dut, stimulus_a, stimulus_b, op, get_case_fn)
+ yield from run_test(dut, stimulus_b, stimulus_a, op, get_case_fn)
-def run_cases(dut, count, op, fixed_num, num_entries):
+def run_cases(dut, count, op, fixed_num, num_entries, get_case_fn):
if isinstance(fixed_num, int):
stimulus_a = [fixed_num for i in range(num_entries)]
report = hex(fixed_num)
report = "random"
stimulus_b = [randint(0, 1<<32) for i in range(num_entries)]
- yield from run_test_2(dut, stimulus_a, stimulus_b, op)
+ yield from run_test_2(dut, stimulus_a, stimulus_b, op, get_case_fn)
count += len(stimulus_a)
print (count, "vectors passed 2^32", report)
# non-canonical NaNs.
stimulus_b = [set_exponent(randint(0, 1<<32), 128) \
for i in range(num_entries)]
- yield from run_test_2(dut, stimulus_a, stimulus_b, op)
+ yield from run_test_2(dut, stimulus_a, stimulus_b, op, get_case_fn)
count += len(stimulus_a)
print (count, "vectors passed Non-Canonical NaN", report)
# -127
stimulus_b = [set_exponent(randint(0, 1<<32), -127) \
for i in range(num_entries)]
- yield from run_test_2(dut, stimulus_a, stimulus_b, op)
+ yield from run_test_2(dut, stimulus_a, stimulus_b, op, get_case_fn)
count += len(stimulus_a)
print (count, "vectors passed exp=-127", report)
# nearly zero
stimulus_b = [set_exponent(randint(0, 1<<32), -126) \
for i in range(num_entries)]
- yield from run_test_2(dut, stimulus_a, stimulus_b, op)
+ yield from run_test_2(dut, stimulus_a, stimulus_b, op, get_case_fn)
count += len(stimulus_a)
print (count, "vectors passed exp=-126", report)
# nearly inf
stimulus_b = [set_exponent(randint(0, 1<<32), 127) \
for i in range(num_entries)]
- yield from run_test_2(dut, stimulus_a, stimulus_b, op)
+ yield from run_test_2(dut, stimulus_a, stimulus_b, op, get_case_fn)
count += len(stimulus_a)
print (count, "vectors passed exp=127", report)
return count
-def run_edge_cases(dut, count, op):
+def run_edge_cases(dut, count, op, get_case_fn):
#edge cases
for testme in corner_cases:
- count = yield from run_cases(dut, count, op, testme, 10)
+ count = yield from run_cases(dut, count, op, testme, 10, get_case_fn)
for i in range(100000):
stimulus_a = [randint(0, 1<<32) for i in range(10)]
- count = yield from run_cases(dut, count, op, stimulus_a, 10)
+ count = yield from run_cases(dut, count, op, stimulus_a, 10,
+ get_case_fn)
return count
projects / ieee754fpu.git / blobdiff