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-rw-r--r--frontends/verilog/verilog_frontend.cc62
1 files changed, 55 insertions, 7 deletions
diff --git a/frontends/verilog/verilog_frontend.cc b/frontends/verilog/verilog_frontend.cc
index aeea36a2b..01e589efb 100644
--- a/frontends/verilog/verilog_frontend.cc
+++ b/frontends/verilog/verilog_frontend.cc
@@ -81,6 +81,9 @@ struct VerilogFrontend : public Frontend {
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");
@@ -90,7 +93,10 @@ struct VerilogFrontend : public Frontend {
log(" -no_dump_ptr\n");
log(" do not include hex memory addresses in dump (easier to diff dumps)\n");
log("\n");
- log(" -dump_vlog\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");
@@ -139,8 +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");
@@ -197,7 +216,8 @@ struct VerilogFrontend : public Frontend {
bool flag_dump_ast1 = false;
bool flag_dump_ast2 = false;
bool flag_no_dump_ptr = false;
- bool flag_dump_vlog = false;
+ bool flag_dump_vlog1 = false;
+ bool flag_dump_vlog2 = false;
bool flag_dump_rtlil = false;
bool flag_nolatches = false;
bool flag_nomeminit = false;
@@ -211,6 +231,8 @@ struct VerilogFrontend : public Frontend {
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;
@@ -221,10 +243,9 @@ 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;
@@ -258,6 +279,14 @@ struct VerilogFrontend : public Frontend {
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;
@@ -270,8 +299,12 @@ struct VerilogFrontend : public Frontend {
flag_no_dump_ptr = true;
continue;
}
- if (arg == "-dump_vlog") {
- flag_dump_vlog = true;
+ if (arg == "-dump_vlog1") {
+ flag_dump_vlog1 = true;
+ continue;
+ }
+ if (arg == "-dump_vlog2") {
+ flag_dump_vlog2 = true;
continue;
}
if (arg == "-dump_rtlil") {
@@ -310,11 +343,23 @@ 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;
@@ -376,6 +421,8 @@ 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());
@@ -410,7 +457,8 @@ 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_vlog, 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, flag_noblackbox, lib_mode, flag_nowb, flag_noopt, flag_icells, flag_nooverwrite, flag_overwrite, flag_defer, default_nettype_wire);
if (!flag_nopp)
delete lexin;