from unit_test_single import (get_mantissa, get_exponent, get_sign, is_nan,
is_inf, is_pos_inf, is_neg_inf,
- match, get_case, check_case, run_test,
+ match, get_rs_case, check_rs_case, run_test,
run_edge_cases, run_corner_cases)
def testbench(dut):
- yield from check_case(dut, 0x36093399, 0x7f6a12f1, 0x7f6a12f1)
- yield from check_case(dut, 0x006CE3EE, 0x806CE3EC, 0x00000002)
- yield from check_case(dut, 0x00000047, 0x80000048, 0x80000001)
- yield from check_case(dut, 0x000116C2, 0x8001170A, 0x80000048)
- yield from check_case(dut, 0x7ed01f25, 0xff559e2c, 0xfedb1d33)
- yield from check_case(dut, 0, 0, 0)
- yield from check_case(dut, 0xFFFFFFFF, 0xC63B800A, 0x7FC00000)
- yield from check_case(dut, 0xFF800000, 0x7F800000, 0x7FC00000)
- #yield from check_case(dut, 0xFF800000, 0x7F800000, 0x7FC00000)
- yield from check_case(dut, 0x7F800000, 0xFF800000, 0x7FC00000)
- yield from check_case(dut, 0x42540000, 0xC2540000, 0x00000000)
- yield from check_case(dut, 0xC2540000, 0x42540000, 0x00000000)
- yield from check_case(dut, 0xfe34f995, 0xff5d59ad, 0xff800000)
- yield from check_case(dut, 0x82471f51, 0x243985f, 0x801c3790)
- yield from check_case(dut, 0x40000000, 0xc0000000, 0x00000000)
- yield from check_case(dut, 0x3F800000, 0x40000000, 0x40400000)
- yield from check_case(dut, 0x40000000, 0x3F800000, 0x40400000)
- yield from check_case(dut, 0x447A0000, 0x4488B000, 0x4502D800)
- yield from check_case(dut, 0x463B800A, 0x42BA8A3D, 0x463CF51E)
- yield from check_case(dut, 0x42BA8A3D, 0x463B800A, 0x463CF51E)
- yield from check_case(dut, 0x463B800A, 0xC2BA8A3D, 0x463A0AF6)
- yield from check_case(dut, 0xC2BA8A3D, 0x463B800A, 0x463A0AF6)
- yield from check_case(dut, 0xC63B800A, 0x42BA8A3D, 0xC63A0AF6)
- yield from check_case(dut, 0x42BA8A3D, 0xC63B800A, 0xC63A0AF6)
- yield from check_case(dut, 0x7F800000, 0x00000000, 0x7F800000)
- yield from check_case(dut, 0x00000000, 0x7F800000, 0x7F800000)
- yield from check_case(dut, 0xFF800000, 0x00000000, 0xFF800000)
- yield from check_case(dut, 0x00000000, 0xFF800000, 0xFF800000)
- yield from check_case(dut, 0x7F800000, 0x7F800000, 0x7F800000)
- yield from check_case(dut, 0xFF800000, 0xFF800000, 0xFF800000)
- yield from check_case(dut, 0xFF800000, 0x7F800000, 0x7FC00000)
- yield from check_case(dut, 0x00018643, 0x00FA72A4, 0x00FBF8E7)
- yield from check_case(dut, 0x001A2239, 0x00FA72A4, 0x010A4A6E)
- yield from check_case(dut, 0x3F7FFFFE, 0x3F7FFFFE, 0x3FFFFFFE)
- yield from check_case(dut, 0x7EFFFFEE, 0x7EFFFFEE, 0x7F7FFFEE)
- yield from check_case(dut, 0x7F7FFFEE, 0xFEFFFFEE, 0x7EFFFFEE)
- yield from check_case(dut, 0x7F7FFFEE, 0x756CA884, 0x7F7FFFFD)
- yield from check_case(dut, 0x7F7FFFEE, 0x758A0CF8, 0x7F7FFFFF)
- yield from check_case(dut, 0x42500000, 0x51A7A358, 0x51A7A358)
- yield from check_case(dut, 0x51A7A358, 0x42500000, 0x51A7A358)
- yield from check_case(dut, 0x4E5693A4, 0x42500000, 0x4E5693A5)
- yield from check_case(dut, 0x42500000, 0x4E5693A4, 0x4E5693A5)
- #yield from check_case(dut, 1, 0, 1)
- #yield from check_case(dut, 1, 1, 1)
+ yield from check_rs_case(dut, 0x36093399, 0x7f6a12f1, 0x7f6a12f1)
+ yield from check_rs_case(dut, 0x006CE3EE, 0x806CE3EC, 0x00000002)
+ yield from check_rs_case(dut, 0x00000047, 0x80000048, 0x80000001)
+ yield from check_rs_case(dut, 0x000116C2, 0x8001170A, 0x80000048)
+ yield from check_rs_case(dut, 0x7ed01f25, 0xff559e2c, 0xfedb1d33)
+ yield from check_rs_case(dut, 0, 0, 0)
+ yield from check_rs_case(dut, 0xFFFFFFFF, 0xC63B800A, 0x7FC00000)
+ yield from check_rs_case(dut, 0xFF800000, 0x7F800000, 0x7FC00000)
+ #yield from check_rs_case(dut, 0xFF800000, 0x7F800000, 0x7FC00000)
+ yield from check_rs_case(dut, 0x7F800000, 0xFF800000, 0x7FC00000)
+ yield from check_rs_case(dut, 0x42540000, 0xC2540000, 0x00000000)
+ yield from check_rs_case(dut, 0xC2540000, 0x42540000, 0x00000000)
+ yield from check_rs_case(dut, 0xfe34f995, 0xff5d59ad, 0xff800000)
+ yield from check_rs_case(dut, 0x82471f51, 0x243985f, 0x801c3790)
+ yield from check_rs_case(dut, 0x40000000, 0xc0000000, 0x00000000)
+ yield from check_rs_case(dut, 0x3F800000, 0x40000000, 0x40400000)
+ yield from check_rs_case(dut, 0x40000000, 0x3F800000, 0x40400000)
+ yield from check_rs_case(dut, 0x447A0000, 0x4488B000, 0x4502D800)
+ yield from check_rs_case(dut, 0x463B800A, 0x42BA8A3D, 0x463CF51E)
+ yield from check_rs_case(dut, 0x42BA8A3D, 0x463B800A, 0x463CF51E)
+ yield from check_rs_case(dut, 0x463B800A, 0xC2BA8A3D, 0x463A0AF6)
+ yield from check_rs_case(dut, 0xC2BA8A3D, 0x463B800A, 0x463A0AF6)
+ yield from check_rs_case(dut, 0xC63B800A, 0x42BA8A3D, 0xC63A0AF6)
+ yield from check_rs_case(dut, 0x42BA8A3D, 0xC63B800A, 0xC63A0AF6)
+ yield from check_rs_case(dut, 0x7F800000, 0x00000000, 0x7F800000)
+ yield from check_rs_case(dut, 0x00000000, 0x7F800000, 0x7F800000)
+ yield from check_rs_case(dut, 0xFF800000, 0x00000000, 0xFF800000)
+ yield from check_rs_case(dut, 0x00000000, 0xFF800000, 0xFF800000)
+ yield from check_rs_case(dut, 0x7F800000, 0x7F800000, 0x7F800000)
+ yield from check_rs_case(dut, 0xFF800000, 0xFF800000, 0xFF800000)
+ yield from check_rs_case(dut, 0xFF800000, 0x7F800000, 0x7FC00000)
+ yield from check_rs_case(dut, 0x00018643, 0x00FA72A4, 0x00FBF8E7)
+ yield from check_rs_case(dut, 0x001A2239, 0x00FA72A4, 0x010A4A6E)
+ yield from check_rs_case(dut, 0x3F7FFFFE, 0x3F7FFFFE, 0x3FFFFFFE)
+ yield from check_rs_case(dut, 0x7EFFFFEE, 0x7EFFFFEE, 0x7F7FFFEE)
+ yield from check_rs_case(dut, 0x7F7FFFEE, 0xFEFFFFEE, 0x7EFFFFEE)
+ yield from check_rs_case(dut, 0x7F7FFFEE, 0x756CA884, 0x7F7FFFFD)
+ yield from check_rs_case(dut, 0x7F7FFFEE, 0x758A0CF8, 0x7F7FFFFF)
+ yield from check_rs_case(dut, 0x42500000, 0x51A7A358, 0x51A7A358)
+ yield from check_rs_case(dut, 0x51A7A358, 0x42500000, 0x51A7A358)
+ yield from check_rs_case(dut, 0x4E5693A4, 0x42500000, 0x4E5693A5)
+ yield from check_rs_case(dut, 0x42500000, 0x4E5693A4, 0x4E5693A5)
+ #yield from check_rs_case(dut, 1, 0, 1)
+ #yield from check_rs_case(dut, 1, 1, 1)
count = 0
stimulus_b = [0xff800001, 0xadd79efa, 0xC0000000, 0x1c800000,
0xc038ed3a, 0xb328cd45,
0x114f3db, 0x2f642a39, 0xff3807ab]
- yield from run_test(dut, stimulus_a, stimulus_b, add)
+ yield from run_test(dut, stimulus_a, stimulus_b, add, get_rs_case)
count += len(stimulus_a)
print (count, "vectors passed")
- yield from run_corner_cases(dut, count, add)
- yield from run_edge_cases(dut, count, add)
+ yield from run_corner_cases(dut, count, add, get_rs_case)
+ yield from run_edge_cases(dut, count, add, get_rs_case)
if __name__ == '__main__':
dut = FPADD(width=32, id_wid=5, single_cycle=True)
(x == y)
)
-def get_case(dut, a, b, mid):
+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)
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_a.v.eq(a)
+ yield dut.in_a.stb.eq(1)
+ yield
+ yield
+ yield
+ yield
+ a_ack = (yield dut.in_a.ack)
+ assert a_ack == 0
+
+ yield dut.in_a.stb.eq(0)
+
+ yield dut.in_b.v.eq(b)
+ yield dut.in_b.stb.eq(1)
+ yield
+ yield
+ b_ack = (yield dut.in_b.ack)
+ assert b_ack == 0
+
+ yield dut.in_b.stb.eq(0)
+
+ yield dut.out_z.ack.eq(1)
+
+ while True:
+ out_z_stb = (yield dut.out_z.stb)
+ 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)
+ yield
+ break
+
+ return out_z, mid # TODO: mid
+
def check_case(dut, a, b, z, mid=None):
if mid is None:
mid = randint(0, 6)
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 = []
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 / commitdiff