diff options
Diffstat (limited to 'frontends/verilog')
| -rw-r--r-- | frontends/verilog/verilog_frontend.cc | 23 | ||||
| -rw-r--r-- | frontends/verilog/verilog_frontend.h | 6 | ||||
| -rw-r--r-- | frontends/verilog/verilog_parser.y | 2 |
3 files changed, 29 insertions, 2 deletions
diff --git a/frontends/verilog/verilog_frontend.cc b/frontends/verilog/verilog_frontend.cc index 504f8b3f3..ed6ce2ecb 100644 --- a/frontends/verilog/verilog_frontend.cc +++ b/frontends/verilog/verilog_frontend.cc @@ -145,8 +145,18 @@ struct VerilogFrontend : public Frontend { log(" -nodpi\n"); log(" disable DPI-C support\n"); log("\n"); + log(" -noblackbox\n"); + log(" do not automatically add a (* blackbox *) attribute to an\n"); + log(" empty module.\n"); + log("\n"); log(" -lib\n"); log(" only create empty blackbox modules. This implies -DBLACKBOX.\n"); + log(" modules with the (* whitebox *) attribute will be preserved.\n"); + log(" (* lib_whitebox *) will be treated like (* whitebox *).\n"); + log("\n"); + log(" -nowb\n"); + log(" delete (* whitebox *) and (* lib_whitebox *) attributes from\n"); + log(" all modules.\n"); log("\n"); log(" -noopt\n"); log(" don't perform basic optimizations (such as const folding) in the\n"); @@ -227,7 +237,9 @@ struct VerilogFrontend : public Frontend { formal_mode = false; norestrict_mode = false; assume_asserts_mode = false; + noblackbox_mode = false; lib_mode = false; + nowb_mode = false; default_nettype_wire = true; log_header(design, "Executing Verilog-2005 frontend.\n"); @@ -329,11 +341,19 @@ struct VerilogFrontend : public Frontend { flag_nodpi = true; continue; } + if (arg == "-noblackbox") { + noblackbox_mode = true; + continue; + } if (arg == "-lib") { lib_mode = true; defines_map["BLACKBOX"] = string(); continue; } + if (arg == "-nowb") { + nowb_mode = true; + continue; + } if (arg == "-noopt") { flag_noopt = true; continue; @@ -429,7 +449,8 @@ struct VerilogFrontend : public Frontend { if (flag_nodpi) error_on_dpi_function(current_ast); - AST::process(design, current_ast, flag_dump_ast1, flag_dump_ast2, flag_no_dump_ptr, flag_dump_vlog1, flag_dump_vlog2, flag_dump_rtlil, flag_nolatches, flag_nomeminit, flag_nomem2reg, flag_mem2reg, lib_mode, flag_noopt, flag_icells, flag_nooverwrite, flag_overwrite, flag_defer, default_nettype_wire); + AST::process(design, current_ast, flag_dump_ast1, flag_dump_ast2, flag_no_dump_ptr, flag_dump_vlog1, flag_dump_vlog2, flag_dump_rtlil, flag_nolatches, + flag_nomeminit, flag_nomem2reg, flag_mem2reg, noblackbox_mode, lib_mode, nowb_mode, flag_noopt, flag_icells, flag_nooverwrite, flag_overwrite, flag_defer, default_nettype_wire); if (!flag_nopp) delete lexin; diff --git a/frontends/verilog/verilog_frontend.h b/frontends/verilog/verilog_frontend.h index 523bbc897..ca40946cb 100644 --- a/frontends/verilog/verilog_frontend.h +++ b/frontends/verilog/verilog_frontend.h @@ -69,9 +69,15 @@ namespace VERILOG_FRONTEND // running in -assert-assumes mode extern bool assert_assumes_mode; + // running in -noblackbox mode + extern bool noblackbox_mode; + // running in -lib mode extern bool lib_mode; + // running in -nowb mode + extern bool nowb_mode; + // lexer input stream extern std::istream *lexin; } diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index 52685f637..40968d17a 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -59,7 +59,7 @@ namespace VERILOG_FRONTEND { std::vector<char> case_type_stack; bool do_not_require_port_stubs; bool default_nettype_wire; - bool sv_mode, formal_mode, lib_mode; + bool sv_mode, formal_mode, noblackbox_mode, lib_mode, nowb_mode; bool noassert_mode, noassume_mode, norestrict_mode; bool assume_asserts_mode, assert_assumes_mode; bool current_wire_rand, current_wire_const; |