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Improve (and fix for stbv mode) SMT2 memory API

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This commit is contained in:
Clifford Wolf 2017-02-26 10:58:34 +01:00
parent 38bf458037
commit fd1cc0c73d
3 changed files with 51 additions and 47 deletions
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43
backends/smt2/smtbmc.py
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@ -614,24 +614,26 @@ def write_vlogtb_trace(steps_start, steps_stop, index):
mems = sorted(smt.hiermems(topmod))
for mempath in mems:
abits, width, rports, wports = smt.mem_info(topmod, mempath)
mem = smt.mem_expr(topmod, "s%d" % steps_start, mempath)
addr_expr_list = list()
data_expr_list = list()
for i in range(steps_start, steps_stop):
for j in range(rports):
addr_expr_list.append(smt.mem_expr(topmod, "s%d" % i, mempath, j))
addr_expr_list.append(smt.mem_expr(topmod, "s%d" % i, mempath, "R%dA" % j))
data_expr_list.append(smt.mem_expr(topmod, "s%d" % i, mempath, "R%dD" % j))
addr_list = set()
for val in smt.get_list(addr_expr_list):
addr_list.add(smt.bv2int(val))
addr_list = smt.get_list(addr_expr_list)
data_list = smt.get_list(data_expr_list)
expr_list = list()
for i in addr_list:
expr_list.append("(select %s #b%s)" % (mem, format(i, "0%db" % abits)))
addr_data = dict()
for addr, data in zip(addr_list, data_list):
addr = smt.bv2bin(addr)
data = smt.bv2bin(data)
if addr not in addr_data:
addr_data[addr] = data
for i, val in zip(addr_list, smt.get_list(expr_list)):
val = smt.bv2bin(val)
print(" UUT.%s[%d] = %d'b%s;" % (".".join(mempath), i, len(val), val), file=f)
for addr, data in addr_data.items():
print(" UUT.%s[%d'b%s] = %d'b%s;" % (".".join(mempath), len(addr), addr, len(data), data), file=f)
for i in range(steps_start, steps_stop):
pi_names = [[name] for name, _ in primary_inputs if name not in clock_inputs]
@ -675,21 +677,24 @@ def write_constr_trace(steps_start, steps_stop, index):
mems = sorted(smt.hiermems(topmod))
for mempath in mems:
abits, width, rports, wports = smt.mem_info(topmod, mempath)
mem = smt.mem_expr(topmod, "s%d" % steps_start, mempath)
addr_expr_list = list()
data_expr_list = list()
for i in range(steps_start, steps_stop):
for j in range(rports):
addr_expr_list.append(smt.mem_expr(topmod, "s%d" % i, mempath, j))
addr_expr_list.append(smt.mem_expr(topmod, "s%d" % i, mempath, "R%dA" % j))
data_expr_list.append(smt.mem_expr(topmod, "s%d" % i, mempath, "R%dD" % j))
addr_list = set((smt.bv2int(val) for val in smt.get_list(addr_expr_list)))
addr_list = smt.get_list(addr_expr_list)
data_list = smt.get_list(data_expr_list)
expr_list = list()
for i in addr_list:
expr_list.append("(select %s #b%s)" % (mem, format(i, "0%db" % abits)))
addr_data = dict()
for addr, data in zip(addr_list, data_list):
if addr not in addr_data:
addr_data[addr] = data
for i, val in zip(addr_list, smt.get_list(expr_list)):
print("assume (= (select [%s] #b%s) %s)" % (".".join(mempath), format(i, "0%db" % abits), val), file=f)
for addr, data in addr_data.items():
print("assume (= (select [%s] %s) %s)" % (".".join(mempath), addr, data), file=f)
for k in range(steps_start, steps_stop):
print("", file=f)