mux21 in 6v logic sim, more test fixtures

src/kyupy/logic_sim.py

@@ -371,7 +371,7 @@ class LogicSim6V(sim.SimOps):
         self.c[self.pippi_c_locs] = logic.mv_to_bp(self.s[0, self.pippi_s_locs])
 
     def c_prop(self):
-        c_prop_cpu(self.ops, self.c, self.c_locs)
+        c_prop_cpu(self.ops, self.c, self.c_locs, self.tmp_idx, self.tmp2_idx)
 
     def c_to_s(self):
         """Captures the results of the combinational portion into ``s[1]``.
@@ -380,7 +380,9 @@ class LogicSim6V(sim.SimOps):
 
 
 @numba.njit
-def c_prop_cpu(ops, c, c_locs):
+def c_prop_cpu(ops, c, c_locs, tmp_idx, tmp2_idx):
+    t0 = c[c_locs[tmp_idx]]
+    t1 = c[c_locs[tmp2_idx]]
     inv_op = np.array([255, 255, 0], dtype=np.uint8)[np.newaxis, :, np.newaxis]
     for op, o0l, i0l, i1l, i2l, i3l in ops[:,:6]:
         o0, i0, i1, i2, i3 = [c[c_locs[x]] for x in (o0l, i0l, i1l, i2l, i3l)]
@@ -426,6 +428,24 @@ def c_prop_cpu(ops, c, c_locs):
             o0[0] = i0[0] ^ i1[0]
             o0[1] = i0[1] ^ i1[1]
             o0[2] = i0[2] | i1[2]
+        elif op == sim.MUX21:
+            # t1 = ~i2
+            t1[...] = i2 ^ inv_op
+            # t0 = i0 & t1
+            t0[0] = i0[0] & t1[0]
+            t0[1] = i0[1] & t1[1]
+            t0[2] = (i0[2]&(t1[0]|t1[1]|t1[2])|
+                     t1[2]&(i0[0]|i0[1]|i0[2]))
+            # t1 = i1 & i2
+            t1[0] = i1[0] & i2[0]
+            t1[1] = i1[1] & i2[1]
+            t1[2] = (i1[2]&(i2[0]|i2[1]|i2[2])|
+                     i2[2]&(i1[0]|i1[1]|i1[2]))
+            # o0 = t0 | t1
+            o0[0] = t0[0] | t1[0]
+            o0[1] = t0[1] | t1[1]
+            o0[2] = (t0[2]&(~t1[0]|~t1[1]|t1[2])|
+                     t1[2]&(~t0[0]|~t0[1]|t0[2]))
         else: print(f'unknown op {op}')
 
         if (op == sim.INV1 or

tests/conftest.py

@@ -20,8 +20,37 @@ def b15_2ig_circuit_resolved(b15_2ig_circuit):
     cr.resolve_tlib_cells(SAED32)
     return cr
 
+@pytest.fixture(scope='session')
+def b15_4ig_circuit(mydir):
+    from kyupy import verilog
+    from kyupy.techlib import SAED32
+    return verilog.load(mydir / 'b15_4ig.v.gz', branchforks=True, tlib=SAED32)
+
+@pytest.fixture(scope='session')
+def b15_4ig_circuit_resolved(b15_4ig_circuit):
+    from kyupy.techlib import SAED32
+    cr = b15_4ig_circuit.copy()
+    cr.resolve_tlib_cells(SAED32)
+    return cr
+
 @pytest.fixture(scope='session')
 def b15_2ig_delays(mydir, b15_2ig_circuit):
     from kyupy import sdf
     from kyupy.techlib import SAED32
     return sdf.load(mydir / 'b15_2ig.sdf.gz').iopaths(b15_2ig_circuit, tlib=SAED32)[1:2]
+
+@pytest.fixture(scope='session')
+def b15_2ig_sa_nf_test_resp(mydir, b15_2ig_circuit_resolved):
+    from kyupy import stil
+    s = stil.load(mydir / 'b15_2ig.sa_nf.stil.gz')
+    tests = s.tests(b15_2ig_circuit_resolved)[:,1:]
+    resp = s.responses(b15_2ig_circuit_resolved)[:,1:]
+    return (tests, resp)
+
+@pytest.fixture(scope='session')
+def b15_4ig_sa_rf_test_resp(mydir, b15_4ig_circuit_resolved):
+    from kyupy import stil
+    s = stil.load(mydir / 'b15_4ig.sa_rf.stil.gz')
+    tests = s.tests(b15_4ig_circuit_resolved)[:,1:]
+    resp = s.responses(b15_4ig_circuit_resolved)[:,1:]
+    return (tests, resp)

tests/test_logic_sim.py

@@ -199,14 +199,8 @@ def test_b01(mydir):
     bp_to_mv(s.s[1])
 
 
-def sim_and_compare(v_file, stil_file, m=8):
-    from kyupy import verilog, stil
-    from kyupy.techlib import SAED32
-    c = verilog.load(v_file, branchforks=True, tlib=SAED32)
-    c.resolve_tlib_cells(SAED32)
-    s = stil.load(stil_file)
-    tests = s.tests(c)[:,1:]
-    resp = s.responses(c)[:,1:]
+def sim_and_compare(c, test_resp, m=8):
+    tests, resp = test_resp
     lsim = LogicSim(c, m=m, sims=tests.shape[1])
     lsim.s[0] = logic.mv_to_bp(tests)
     lsim.s_to_c()
@@ -221,26 +215,46 @@ def sim_and_compare(v_file, stil_file, m=8):
         print(f'mismatch pattern:{pat} ppio:{idx} exp:{logic.mv_str(resp[idx,pat])} act:{logic.mv_str(resp_sim[idx,pat])}')
     assert len(idxs) == 0
 
-
-def test_b15_2ig_sa_2v(mydir):
-    sim_and_compare(mydir / 'b15_2ig.v.gz', mydir / 'b15_2ig.sa_nf.stil.gz', m=2)
+def sim_and_compare_6v(c, test_resp):
+    tests, resp = test_resp
+    lsim = LogicSim6V(c, sims=tests.shape[1])
+    lsim.s[0] = tests
+    lsim.s_to_c()
+    lsim.c_prop()
+    lsim.c_to_s()
+    resp_sim = lsim.s[1]
+    idxs, pats = np.nonzero(((resp == logic.ONE) & (resp_sim != logic.ONE)) | ((resp == logic.ZERO) & (resp_sim != logic.ZERO)))
+    for i, (idx, pat) in enumerate(zip(idxs, pats)):
+        if i >= 10:
+            print(f'...')
+            break
+        print(f'mismatch pattern:{pat} ppio:{idx} exp:{logic.mv_str(resp[idx,pat])} act:{logic.mv_str(resp_sim[idx,pat])}')
+    assert len(idxs) == 0
 
 
-def test_b15_2ig_sa_4v(mydir):
-    sim_and_compare(mydir / 'b15_2ig.v.gz', mydir / 'b15_2ig.sa_nf.stil.gz', m=4)
+def test_b15_2ig_sa_2v(b15_2ig_circuit_resolved, b15_2ig_sa_nf_test_resp):
+    sim_and_compare(b15_2ig_circuit_resolved, b15_2ig_sa_nf_test_resp, m=2)
 
 
-def test_b15_2ig_sa_8v(mydir):
-    sim_and_compare(mydir / 'b15_2ig.v.gz', mydir / 'b15_2ig.sa_nf.stil.gz', m=8)
+def test_b15_2ig_sa_4v(b15_2ig_circuit_resolved, b15_2ig_sa_nf_test_resp):
+    sim_and_compare(b15_2ig_circuit_resolved, b15_2ig_sa_nf_test_resp, m=4)
 
 
-def test_b15_4ig_sa_2v(mydir):
-    sim_and_compare(mydir / 'b15_4ig.v.gz', mydir / 'b15_4ig.sa_rf.stil.gz', m=2)
+def test_b15_2ig_sa_6v(b15_2ig_circuit_resolved, b15_2ig_sa_nf_test_resp):
+    sim_and_compare_6v(b15_2ig_circuit_resolved, b15_2ig_sa_nf_test_resp)
 
 
-def test_b15_4ig_sa_4v(mydir):
-    sim_and_compare(mydir / 'b15_4ig.v.gz', mydir / 'b15_4ig.sa_rf.stil.gz', m=4)
+def test_b15_2ig_sa_8v(b15_2ig_circuit_resolved, b15_2ig_sa_nf_test_resp):
+    sim_and_compare(b15_2ig_circuit_resolved, b15_2ig_sa_nf_test_resp, m=8)
 
 
-def test_b15_4ig_sa_8v(mydir):
-    sim_and_compare(mydir / 'b15_4ig.v.gz', mydir / 'b15_4ig.sa_rf.stil.gz', m=8)
+def test_b15_4ig_sa_2v(b15_4ig_circuit_resolved, b15_4ig_sa_rf_test_resp):
+    sim_and_compare(b15_4ig_circuit_resolved, b15_4ig_sa_rf_test_resp, m=2)
+
+
+def test_b15_4ig_sa_4v(b15_4ig_circuit_resolved, b15_4ig_sa_rf_test_resp):
+    sim_and_compare(b15_4ig_circuit_resolved, b15_4ig_sa_rf_test_resp, m=4)
+
+
+def test_b15_4ig_sa_8v(b15_4ig_circuit_resolved, b15_4ig_sa_rf_test_resp):
+    sim_and_compare(b15_4ig_circuit_resolved, b15_4ig_sa_rf_test_resp, m=8)