aboutsummaryrefslogtreecommitdiffstats
path: root/frontends/verilog/verilog_frontend.cc
diff options
context:
space:
mode:
authorEddie Hung <eddie@fpgeh.com>2019-04-22 11:45:49 -0700
committerEddie Hung <eddie@fpgeh.com>2019-04-22 11:45:49 -0700
commit4486a98fd5928a4e3cdf9cd27c27b7dd821513bb (patch)
tree0afd22de8a09ab3995355e3813015c4523bd63fd /frontends/verilog/verilog_frontend.cc
parentcbb85e40e87fbfb1602bb934ed76a97efb9e55c6 (diff)
parentec88129a5cf510afc39ea12efa6059bed3eadfc3 (diff)
downloadyosys-4486a98fd5928a4e3cdf9cd27c27b7dd821513bb.tar.gz
yosys-4486a98fd5928a4e3cdf9cd27c27b7dd821513bb.tar.bz2
yosys-4486a98fd5928a4e3cdf9cd27c27b7dd821513bb.zip
Merge remote-tracking branch 'origin/xc7srl' into xc7mux
Diffstat (limited to 'frontends/verilog/verilog_frontend.cc')
-rw-r--r--frontends/verilog/verilog_frontend.cc23
1 files changed, 22 insertions, 1 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;