simX refactoring + removed oldRTL + CSR updates

simX/decode.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+#include "util.h"
+
+namespace vortex {
+
+class ArchDef;
+class Instr;
+class trace_inst_t;
+
+class Decoder {
+public:
+  Decoder(const ArchDef &);    
+  
+  virtual std::shared_ptr<Instr> decode(const std::vector<Byte> &v, Size &n, trace_inst_t * trace_inst);
+
+private:
+
+  Word inst_s_;
+  Word opcode_s_;
+  Word reg_s_;
+  Word func3_s_;
+  Word shift_opcode_;
+  Word shift_rd_;
+  Word shift_rs1_;
+  Word shift_rs2_;
+  Word shift_func3_;
+  Word shift_func7_;
+  Word shift_j_u_immed_;
+  Word shift_s_b_immed_;
+  Word shift_i_immed_;
+
+  Word reg_mask_;
+  Word func3_mask_;
+  Word func6_mask_;
+  Word func7_mask_;
+  Word opcode_mask_;
+  Word i_imm_mask_;
+  Word s_imm_mask_;
+  Word b_imm_mask_;
+  Word u_imm_mask_;
+  Word j_imm_mask_;
+  Word v_imm_mask_;
+
+  //Vector
+  Word shift_vset_;
+  Word shift_vset_immed_;
+  Word shift_vmask_;
+  Word shift_vmop_;
+  Word shift_vnf_;
+  Word shift_func6_;
+  Word vmask_s_;
+  Word mop_s_;
+};
+
+}