diff options
Diffstat (limited to 'frontends/verilog/verilog_frontend.cc')
-rw-r--r-- | frontends/verilog/verilog_frontend.cc | 160 |
1 files changed, 135 insertions, 25 deletions
diff --git a/frontends/verilog/verilog_frontend.cc b/frontends/verilog/verilog_frontend.cc index 19fc3c6af..058d750c3 100644 --- a/frontends/verilog/verilog_frontend.cc +++ b/frontends/verilog/verilog_frontend.cc @@ -42,14 +42,14 @@ static std::list<std::vector<std::string>> verilog_defaults_stack; static void error_on_dpi_function(AST::AstNode *node) { if (node->type == AST::AST_DPI_FUNCTION) - log_error("Found DPI function %s at %s:%d.\n", node->str.c_str(), node->filename.c_str(), node->linenum); + log_file_error(node->filename, node->linenum, "Found DPI function %s.\n", node->str.c_str()); for (auto child : node->children) error_on_dpi_function(child); } struct VerilogFrontend : public Frontend { VerilogFrontend() : Frontend("verilog", "read modules from Verilog file") { } - virtual void help() + void help() YS_OVERRIDE { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); @@ -66,19 +66,37 @@ struct VerilogFrontend : public Frontend { log(" enable support for SystemVerilog assertions and some Yosys extensions\n"); log(" replace the implicit -D SYNTHESIS with -D FORMAL\n"); log("\n"); + log(" -noassert\n"); + log(" ignore assert() statements\n"); + log("\n"); + log(" -noassume\n"); + log(" ignore assume() statements\n"); + log("\n"); log(" -norestrict\n"); - log(" ignore restrict() assertions\n"); + log(" ignore restrict() statements\n"); log("\n"); log(" -assume-asserts\n"); log(" treat all assert() statements like assume() statements\n"); log("\n"); + log(" -assert-assumes\n"); + log(" treat all assume() statements like assert() statements\n"); + log("\n"); + log(" -debug\n"); + log(" alias for -dump_ast1 -dump_ast2 -dump_vlog1 -dump_vlog2 -yydebug\n"); + log("\n"); log(" -dump_ast1\n"); log(" dump abstract syntax tree (before simplification)\n"); log("\n"); log(" -dump_ast2\n"); log(" dump abstract syntax tree (after simplification)\n"); log("\n"); - log(" -dump_vlog\n"); + log(" -no_dump_ptr\n"); + log(" do not include hex memory addresses in dump (easier to diff dumps)\n"); + log("\n"); + log(" -dump_vlog1\n"); + log(" dump ast as Verilog code (before simplification)\n"); + log("\n"); + log(" -dump_vlog2\n"); log(" dump ast as Verilog code (after simplification)\n"); log("\n"); log(" -dump_rtlil\n"); @@ -127,8 +145,21 @@ 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(" -specify\n"); + log(" parse and import specify blocks\n"); log("\n"); log(" -noopt\n"); log(" don't perform basic optimizations (such as const folding) in the\n"); @@ -137,9 +168,16 @@ struct VerilogFrontend : public Frontend { log(" -icells\n"); log(" interpret cell types starting with '$' as internal cell types\n"); log("\n"); - log(" -ignore_redef\n"); + log(" -pwires\n"); + log(" add a wire for each module parameter\n"); + log("\n"); + log(" -nooverwrite\n"); log(" ignore re-definitions of modules. (the default behavior is to\n"); - log(" create an error message.)\n"); + log(" create an error message if the existing module is not a black box\n"); + log(" module, and overwrite the existing module otherwise.)\n"); + log("\n"); + log(" -overwrite\n"); + log(" overwrite existing modules with the same name\n"); log("\n"); log(" -defer\n"); log(" only read the abstract syntax tree and defer actual compilation\n"); @@ -176,11 +214,13 @@ struct VerilogFrontend : public Frontend { log("supported by the Yosys Verilog front-end.\n"); log("\n"); } - virtual void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) + void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { bool flag_dump_ast1 = false; bool flag_dump_ast2 = false; - bool flag_dump_vlog = false; + bool flag_no_dump_ptr = false; + bool flag_dump_vlog1 = false; + bool flag_dump_vlog2 = false; bool flag_dump_rtlil = false; bool flag_nolatches = false; bool flag_nomeminit = false; @@ -191,8 +231,12 @@ struct VerilogFrontend : public Frontend { bool flag_nodpi = false; bool flag_noopt = false; bool flag_icells = false; - bool flag_ignore_redef = false; + bool flag_pwires = false; + bool flag_nooverwrite = false; + bool flag_overwrite = false; bool flag_defer = false; + bool flag_noblackbox = false; + bool flag_nowb = false; std::map<std::string, std::string> defines_map; std::list<std::string> include_dirs; std::list<std::string> attributes; @@ -203,10 +247,9 @@ struct VerilogFrontend : public Frontend { norestrict_mode = false; assume_asserts_mode = false; lib_mode = false; + specify_mode = false; default_nettype_wire = true; - log_header(design, "Executing Verilog-2005 frontend.\n"); - args.insert(args.begin()+1, verilog_defaults.begin(), verilog_defaults.end()); size_t argidx; @@ -220,6 +263,14 @@ struct VerilogFrontend : public Frontend { formal_mode = true; continue; } + if (arg == "-noassert") { + noassert_mode = true; + continue; + } + if (arg == "-noassume") { + noassume_mode = true; + continue; + } if (arg == "-norestrict") { norestrict_mode = true; continue; @@ -228,6 +279,18 @@ struct VerilogFrontend : public Frontend { assume_asserts_mode = true; continue; } + if (arg == "-assert-assumes") { + assert_assumes_mode = true; + continue; + } + if (arg == "-debug") { + flag_dump_ast1 = true; + flag_dump_ast2 = true; + flag_dump_vlog1 = true; + flag_dump_vlog2 = true; + frontend_verilog_yydebug = true; + continue; + } if (arg == "-dump_ast1") { flag_dump_ast1 = true; continue; @@ -236,8 +299,16 @@ struct VerilogFrontend : public Frontend { flag_dump_ast2 = true; continue; } - if (arg == "-dump_vlog") { - flag_dump_vlog = true; + if (arg == "-no_dump_ptr") { + flag_no_dump_ptr = true; + continue; + } + if (arg == "-dump_vlog1") { + flag_dump_vlog1 = true; + continue; + } + if (arg == "-dump_vlog2") { + flag_dump_vlog2 = true; continue; } if (arg == "-dump_rtlil") { @@ -276,11 +347,23 @@ struct VerilogFrontend : public Frontend { flag_nodpi = true; continue; } + if (arg == "-noblackbox") { + flag_noblackbox = true; + continue; + } if (arg == "-lib") { lib_mode = true; defines_map["BLACKBOX"] = string(); continue; } + if (arg == "-nowb") { + flag_nowb = true; + continue; + } + if (arg == "-specify") { + specify_mode = true; + continue; + } if (arg == "-noopt") { flag_noopt = true; continue; @@ -289,8 +372,18 @@ struct VerilogFrontend : public Frontend { flag_icells = true; continue; } - if (arg == "-ignore_redef") { - flag_ignore_redef = true; + if (arg == "-pwires") { + flag_pwires = true; + continue; + } + if (arg == "-ignore_redef" || arg == "-nooverwrite") { + flag_nooverwrite = true; + flag_overwrite = false; + continue; + } + if (arg == "-overwrite") { + flag_nooverwrite = false; + flag_overwrite = true; continue; } if (arg == "-defer") { @@ -336,6 +429,8 @@ struct VerilogFrontend : public Frontend { } extra_args(f, filename, args, argidx); + log_header(design, "Executing Verilog-2005 frontend: %s\n", filename.c_str()); + log("Parsing %s%s input from `%s' to AST representation.\n", formal_mode ? "formal " : "", sv_mode ? "SystemVerilog" : "Verilog", filename.c_str()); @@ -370,7 +465,8 @@ 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_dump_vlog, flag_dump_rtlil, flag_nolatches, flag_nomeminit, flag_nomem2reg, flag_mem2reg, lib_mode, flag_noopt, flag_icells, flag_ignore_redef, 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, flag_noblackbox, lib_mode, flag_nowb, flag_noopt, flag_icells, flag_pwires, flag_nooverwrite, flag_overwrite, flag_defer, default_nettype_wire); if (!flag_nopp) delete lexin; @@ -384,7 +480,7 @@ struct VerilogFrontend : public Frontend { struct VerilogDefaults : public Pass { VerilogDefaults() : Pass("verilog_defaults", "set default options for read_verilog") { } - virtual void help() + void help() YS_OVERRIDE { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); @@ -405,9 +501,9 @@ struct VerilogDefaults : public Pass { log("not imply -clear.\n"); log("\n"); } - virtual void execute(std::vector<std::string> args, RTLIL::Design*) + void execute(std::vector<std::string> args, RTLIL::Design*) YS_OVERRIDE { - if (args.size() == 0) + if (args.size() < 2) cmd_error(args, 1, "Missing argument."); if (args[1] == "-add") { @@ -442,7 +538,7 @@ struct VerilogDefaults : public Pass { struct VerilogDefines : public Pass { VerilogDefines() : Pass("verilog_defines", "define and undefine verilog defines") { } - virtual void help() + void help() YS_OVERRIDE { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); @@ -457,8 +553,14 @@ struct VerilogDefines : public Pass { log(" -Uname[=definition]\n"); log(" undefine the preprocessor symbol 'name'\n"); log("\n"); + log(" -reset\n"); + log(" clear list of defined preprocessor symbols\n"); + log("\n"); + log(" -list\n"); + log(" list currently defined preprocessor symbols\n"); + log("\n"); } - virtual void execute(std::vector<std::string> args, RTLIL::Design *design) + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) { @@ -492,6 +594,16 @@ struct VerilogDefines : public Pass { design->verilog_defines.erase(name); continue; } + if (arg == "-reset") { + design->verilog_defines.clear(); + continue; + } + if (arg == "-list") { + for (auto &it : design->verilog_defines) { + log("`define %s%s %s\n", it.first.c_str(), it.second.second ? "()" : "", it.second.first.c_str()); + } + continue; + } break; } @@ -508,13 +620,11 @@ void frontend_verilog_yyerror(char const *fmt, ...) va_list ap; char buffer[1024]; char *p = buffer; - p += snprintf(p, buffer + sizeof(buffer) - p, "Parser error in line %s:%d: ", - YOSYS_NAMESPACE_PREFIX AST::current_filename.c_str(), frontend_verilog_yyget_lineno()); va_start(ap, fmt); p += vsnprintf(p, buffer + sizeof(buffer) - p, fmt, ap); va_end(ap); p += snprintf(p, buffer + sizeof(buffer) - p, "\n"); - YOSYS_NAMESPACE_PREFIX log_error("%s", buffer); + YOSYS_NAMESPACE_PREFIX log_file_error(YOSYS_NAMESPACE_PREFIX AST::current_filename, frontend_verilog_yyget_lineno(), + "%s", buffer); exit(1); } - |