diff options
Diffstat (limited to 'ecp5/lpf.cc')
| -rw-r--r-- | ecp5/lpf.cc | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/ecp5/lpf.cc b/ecp5/lpf.cc index df3687cf..b561807d 100644 --- a/ecp5/lpf.cc +++ b/ecp5/lpf.cc @@ -41,7 +41,9 @@ bool Arch::applyLPF(std::string filename, std::istream &in) log_error("failed to open LPF file\n"); std::string line; std::string linebuf; + int lineno = 0; while (std::getline(in, line)) { + ++lineno; size_t cstart = line.find('#'); if (cstart != std::string::npos) line = line.substr(0, cstart); @@ -61,15 +63,18 @@ bool Arch::applyLPF(std::string filename, std::istream &in) if (words.size() >= 0) { std::string verb = words.at(0); if (verb == "BLOCK" || verb == "SYSCONFIG") { - log_warning(" ignoring unsupported LPF command '%s'\n", command.c_str()); + if (words.size() != 2 || (words.at(1) != "ASYNCPATHS" && words.at(1) != "RESETPATHS")) + log_warning(" ignoring unsupported LPF command '%s' (on line %d)\n", command.c_str(), + lineno); } else if (verb == "FREQUENCY") { + if (words.size() < 2) + log_error("expected object type after FREQUENCY (on line %d)\n", lineno); std::string etype = words.at(1); if (etype == "PORT" || etype == "NET") { - std::string target = words.at(2); - if (target.at(0) == '\"') { - NPNR_ASSERT(target.back() == '\"'); - target = target.substr(1, target.length() - 2); - } + if (words.size() < 4) + log_error("expected frequency value and unit after 'FREQUENCY %s' (on line %d)\n", + etype.c_str(), lineno); + std::string target = strip_quotes(words.at(2)); float freq = std::stof(words.at(3)); std::string unit = words.at(4); if (unit == "MHz") @@ -79,33 +84,40 @@ bool Arch::applyLPF(std::string filename, std::istream &in) else if (unit == "Hz") freq /= 1.0e6; else - log_error("unsupported frequency unit '%s'\n", unit.c_str()); + log_error("unsupported frequency unit '%s' (on line %d)\n", unit.c_str(), lineno); addClock(id(target), freq); } else { - log_warning(" ignoring unsupported LPF command '%s %s'\n", command.c_str(), - etype.c_str()); + log_warning(" ignoring unsupported LPF command '%s %s' (on line %d)\n", command.c_str(), + etype.c_str(), lineno); } } else if (verb == "LOCATE") { - NPNR_ASSERT(words.at(1) == "COMP"); + if (words.size() < 5) + log_error("expected syntax 'LOCATE COMP <port name> SITE <pin>' (on line %d)\n", lineno); + if (words.at(1) != "COMP") + log_error("expected 'COMP' after 'LOCATE' (on line %d)\n", lineno); std::string cell = strip_quotes(words.at(2)); - NPNR_ASSERT(words.at(3) == "SITE"); + if (words.at(3) != "SITE") + log_error("expected 'SITE' after 'LOCATE COMP %s' (on line %d)\n", cell.c_str(), lineno); auto fnd_cell = cells.find(id(cell)); - if (fnd_cell == cells.end()) { - log_warning("unmatched LPF 'LOCATE COMP' '%s'\n", cell.c_str()); - } else { + if (fnd_cell != cells.end()) { fnd_cell->second->attrs[id("LOC")] = strip_quotes(words.at(4)); } } else if (verb == "IOBUF") { - NPNR_ASSERT(words.at(1) == "PORT"); + if (words.size() < 3) + log_error("expected syntax 'IOBUF PORT <port name> <attr>=<value>...' (on line %d)\n", + lineno); + if (words.at(1) != "PORT") + log_error("expected 'PORT' after 'IOBUF' (on line %d)\n", lineno); std::string cell = strip_quotes(words.at(2)); auto fnd_cell = cells.find(id(cell)); - if (fnd_cell == cells.end()) { - log_warning("unmatched LPF 'IOBUF PORT' '%s'\n", cell.c_str()); - } else { + if (fnd_cell != cells.end()) { for (size_t i = 3; i < words.size(); i++) { std::string setting = words.at(i); size_t eqpos = setting.find('='); - NPNR_ASSERT(eqpos != std::string::npos); + if (eqpos == std::string::npos) + log_error( + "expected syntax 'IOBUF PORT <port name> <attr>=<value>...' (on line %d)\n", + lineno); std::string key = setting.substr(0, eqpos), value = setting.substr(eqpos + 1); fnd_cell->second->attrs[id(key)] = value; } |