From: Clifford Wolf <clifford@clifford.at>
Date: Tue, 15 Oct 2019 22:00:27 +0000 (+0200)
Subject: Add .blackbox support to blif front-end
X-Git-Tag: working-ls180~994
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=935d3e19e2ddc315d06b4a7fe649f06578eeeb81;p=yosys.git

Add .blackbox support to blif front-end

Signed-off-by: Clifford Wolf <clifford@clifford.at>
---

diff --git a/frontends/blif/blifparse.cc b/frontends/blif/blifparse.cc
index d17cacf29..bfcfad78a 100644
--- a/frontends/blif/blifparse.cc
+++ b/frontends/blif/blifparse.cc
@@ -174,6 +174,12 @@ void parse_blif(RTLIL::Design *design, std::istream &f, IdString dff_name, bool
 			if (module == nullptr)
 				goto error;
 
+			if (!strcmp(cmd, ".blackbox"))
+			{
+				module->attributes["\\blackbox"] = RTLIL::Const(1);
+				continue;
+			}
+
 			if (!strcmp(cmd, ".end"))
 			{
 				for (auto &wp : wideports_cache)