diff options
| -rw-r--r-- | kernel/fstdata.cc | 2 | ||||
| -rw-r--r-- | passes/sat/sim.cc | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/kernel/fstdata.cc b/kernel/fstdata.cc index 0b62564f6..330c4d189 100644 --- a/kernel/fstdata.cc +++ b/kernel/fstdata.cc @@ -26,6 +26,8 @@ FstData::FstData(std::string filename) : ctx(nullptr) { const std::vector<std::string> g_units = { "s", "ms", "us", "ns", "ps", "fs", "as", "zs" }; ctx = (fstReaderContext *)fstReaderOpen(filename.c_str()); + if (!ctx) + log_error("Error opening '%s'\n", filename.c_str()); int scale = (int)fstReaderGetTimescale(ctx); timescale = pow(10.0, scale); timescale_str = ""; diff --git a/passes/sat/sim.cc b/passes/sat/sim.cc index b2425b531..0687e3e0f 100644 --- a/passes/sat/sim.cc +++ b/passes/sat/sim.cc @@ -961,6 +961,9 @@ struct SimWorker : SimShared log_assert(top == nullptr); fst = new FstData(sim_filename); + if (scope.empty()) + log_error("Scope must be defined for co-simulation.\n"); + top = new SimInstance(this, scope, topmod); std::vector<fstHandle> fst_clock; |