diff options
| -rw-r--r-- | src/ghdl.cc | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/ghdl.cc b/src/ghdl.cc index 9553c5e..42a06ec 100644 --- a/src/ghdl.cc +++ b/src/ghdl.cc @@ -868,10 +868,31 @@ struct GhdlPass : public Pass { log("\n"); #endif log("\n"); - log(" ghdl [FILES... -e] UNIT\n"); + log(" ghdl [options] unit [arch]\n"); log("\n"); - log("Elaborate the design and import to Yosys\n"); + log("Elaborate the already analyzed unit design and import it\n"); log("\n"); + log(" ghdl [options] files... -e [unit]\n"); + log("\n"); + log("Analyse files, elaborate unit and import it\n"); + log("If unit is not specified, it is automatically found\n"); + log("\n"); + log("Full list of options are described in ghdl documentation.\n"); + log("\n"); + log(" --std=(93|08)\n"); + log(" set the vhdl standard.\n"); + log("\n"); + log(" -C\n"); + log(" allow UTF-8 in comments.\n"); + log("\n"); + log(" --ieee=synopsys\n"); + log(" allow use of ieee.std_logic_arith.\n"); + log("\n"); + log(" -fpsl\n"); + log(" parse PSL in comments.\n"); + log("\n"); + log(" --top-name=hash\n"); + log(" use hash to encode the top entity name\n"); } #ifdef YOSYS_ENABLE_GHDL virtual void execute(std::vector<std::string> args, RTLIL::Design *design) |