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fault injection for 4v sim, wave_sim test fix

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stefan committed 2025-10-23 21:26:52 +09:00
1 parent 0cdaf71963
commit 9ca437fe47
3 files changed
+63 -12
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tests/test_logic_sim.py
+39 -1
View File
@@ -75,7 +75,7 @@ def test_2v():
def test_4v():
c = bench.parse('input(x, y) output(a, o, n) a=and(x,y) o=or(x,y) n=not(x)')
s = LogicSim(c, 16, m=8) # FIXME: m=4
s = LogicSim(c, 16, m=4)
assert s.s_len == 5
bpa = bparray(
'00---', '01---', '0----', '0X---',
@@ -93,6 +93,44 @@ def test_4v():
'--0XX', '--X1X', '--XXX', '--XXX',
'--0XX', '--X1X', '--XXX', '--XXX'))
def test_4v_fault():
c = bench.parse('input(x, y) output(a) a=and(x,y)')
s = LogicSim(c, 16, m=4)
assert s.s_len == 3
bpa = bparray(
'00-', '01-', '0--', '0X-',
'10-', '11-', '1--', '1X-',
'-0-', '-1-', '---', '-X-',
'X0-', 'X1-', 'X--', 'XX-')
s.s[0] = bpa
s.s_to_c()
s.c_prop()
s.c_to_s()
mva = bp_to_mv(s.s[1])
assert_equal_shape_and_contents(mva, mvarray(
'--0', '--0', '--0', '--0',
'--0', '--1', '--X', '--X',
'--0', '--X', '--X', '--X',
'--0', '--X', '--X', '--X'))
fault_line = s.circuit.cells['a'].ins[0]
s.s_to_c()
s.c_prop(fault_line=fault_line, fault_model=1)
s.c_to_s()
mva = bp_to_mv(s.s[1])
assert_equal_shape_and_contents(mva, mvarray(
'--0', '--1', '--X', '--X',
'--0', '--1', '--X', '--X',
'--0', '--1', '--X', '--X',
'--0', '--1', '--X', '--X'))
s.s_to_c()
s.c_prop(fault_line=fault_line, fault_model=0)
s.c_to_s()
mva = bp_to_mv(s.s[1])
assert_equal_shape_and_contents(mva, mvarray(
'--0', '--0', '--0', '--0',
'--0', '--0', '--0', '--0',
'--0', '--0', '--0', '--0',
'--0', '--0', '--0', '--0'))
def test_6v():
c = bench.parse('input(x, y) output(a, o, n, xo, no) a=AND2(x,y) o=OR2(x,y) n=INV1(x) xo=XOR2(x,y) no=NOR2(x,y)')
tests/test_wave_sim.py
+4 -2
View File
@@ -25,10 +25,11 @@ def test_xnor2_delays():
delays[0, 1, 1, 1] = 0.036 # B fall -> Z fall
simctl_int = np.asarray([0], dtype=np.int32)
simctl_float = np.asarray([1], dtype=np.float32)
def wave_assert(inputs, output):
for i, a in zip(inputs, c.reshape(-1,16)): a[:len(i)] = i
wave_eval_cpu(op, c, c_locs, c_caps, ebuf, 0, delays, simctl_int, 0, 0)
wave_eval_cpu(op, c, c_locs, c_caps, ebuf, 0, delays, simctl_int, simctl_float, 0, 0)
for i, v in enumerate(output): np.testing.assert_allclose(c.reshape(-1,16)[2,i], v)
wave_assert([[TMIN,TMAX],[TMIN,TMAX]], [TMIN,TMAX]) # XNOR(1,1) => 1
@@ -63,10 +64,11 @@ def test_nand_delays():
delays[0, 3, :, 1] = 0.8
simctl_int = np.asarray([0], dtype=np.int32)
simctl_float = np.asarray([1], dtype=np.float32)
def wave_assert(inputs, output):
for i, a in zip(inputs, c.reshape(-1,16)): a[:len(i)] = i
wave_eval_cpu(op, c, c_locs, c_caps, ebuf, 0, delays, simctl_int, 0, 0)
wave_eval_cpu(op, c, c_locs, c_caps, ebuf, 0, delays, simctl_int, simctl_float, 0, 0)
for i, v in enumerate(output): np.testing.assert_allclose(c.reshape(-1,16)[4,i], v)
wave_assert([[TMAX,TMAX],[TMAX,TMAX],[TMIN,TMAX],[TMIN,TMAX]], [TMIN,TMAX]) # NAND(0,0,1,1) => 1