Added "equiv_make -blacklist <file> -encfile <file>"

2 files changed, 16 insertions, 0 deletions

diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 3fb98d1e2..9b55d4255 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -128,6 +128,21 @@ std::string RTLIL::Const::as_string() const
 	return ret;
 }
 
+RTLIL::Const RTLIL::Const::from_string(std::string str)
+{
+	Const c;
+	for (auto it = str.rbegin(); it != str.rend(); it++)
+		switch (*it) {
+			case '0': c.bits.push_back(State::S0); break;
+			case '1': c.bits.push_back(State::S1); break;
+			case 'x': c.bits.push_back(State::Sx); break;
+			case 'z': c.bits.push_back(State::Sz); break;
+			case 'm': c.bits.push_back(State::Sm); break;
+			default: c.bits.push_back(State::Sa);
+		}
+	return c;
+}
+
 std::string RTLIL::Const::decode_string() const
 {
 	std::string string;
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index 4d13897b9..c17ede3d0 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -469,6 +469,7 @@ struct RTLIL::Const
 	bool as_bool() const;
 	int as_int(bool is_signed = false) const;
 	std::string as_string() const;
+	static Const from_string(std::string str);
 
 	std::string decode_string() const;