simX refactoring + removed oldRTL + CSR updates

simX/util.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <vector>
+#include "types.h"
+
+namespace vortex {
+
+template <typename... Args>
+void unused(Args&&...) {}
+
+#define __unused(...) unused(__VA_ARGS__)
+
+Word signExt(Word w, Size bit, Word mask);
+
+Word_u bytesToWord(const Byte *b, Size wordSize);
+void wordToBytes(Byte *b, Word_u w, Size wordSize);
+Word_u flagsToWord(bool r, bool w, bool x);
+void wordToFlags(bool &r, bool &w, bool &x, Word_u f);
+
+Byte readByte(const std::vector<Byte> &b, Size &n);
+Word_u readWord(const std::vector<Byte> &b, Size &n, Size wordSize);
+void writeByte(std::vector<Byte> &p, Size &n, Byte b);
+void writeWord(std::vector<Byte> &p, Size &n, Size wordSize, Word w);
+
+}