diff --git a/.project b/.project
index 84a8200..395ef36 100644
--- a/.project
+++ b/.project
@@ -23,6 +23,5 @@
 		<nature>org.eclipse.cdt.core.ccnature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
-		<nature>org.eclipse.linuxtools.tmf.project.nature</nature>
 	</natures>
 </projectDescription>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c5d2d5..2a36dad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,11 +40,15 @@ set(LIB_SOURCES
 if(TARGET ${CORE_NAME}_cpp)
     list(APPEND LIB_SOURCES ${${CORE_NAME}_OUTPUT_FILES})
 else()
-    FILE(GLOB GEN_SOURCES
-        ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/iss/arch/*.cpp
-        ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/vm/interp/vm_*.cpp
-    )
-    list(APPEND LIB_SOURCES ${GEN_SOURCES})
+    FILE(GLOB GEN_ISS_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/iss/arch/*.cpp)
+    FILE(GLOB GEN_VM_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/vm/interp/vm_*.cpp)
+    list(APPEND LIB_SOURCES ${GEN_ISS_SOURCES} ${GEN_VM_SOURCES})
+    foreach(FILEPATH ${GEN_ISS_SOURCES})
+        get_filename_component(CORE ${FILEPATH} NAME_WE)
+        string(TOUPPER ${CORE} CORE)
+        list(APPEND LIB_DEFINES CORE_${CORE})
+    endforeach()
+    message("Defines are ${LIB_DEFINES}")
 endif()
 
 if(TARGET RapidJSON OR TARGET RapidJSON::RapidJSON)
diff --git a/TGC_C_instr.yaml b/TGC_C_instr.yaml
new file mode 100644
index 0000000..c82876f
--- /dev/null
+++ b/TGC_C_instr.yaml
@@ -0,0 +1,537 @@
+
+RV32I: 
+  - LUI:
+    encoding: 0b00000000000000000000000000110111
+    mask: 0b00000000000000000000000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - AUIPC:
+    encoding: 0b00000000000000000000000000010111
+    mask: 0b00000000000000000000000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - JAL:
+    encoding: 0b00000000000000000000000001101111
+    mask: 0b00000000000000000000000001111111
+    attributes: [[name:no_cont]]
+    size:   32
+    branch:   true
+    delay:   1
+  - JALR:
+    encoding: 0b00000000000000000000000001100111
+    mask: 0b00000000000000000111000001111111
+    attributes: [[name:no_cont]]
+    size:   32
+    branch:   true
+    delay:   1
+  - BEQ:
+    encoding: 0b00000000000000000000000001100011
+    mask: 0b00000000000000000111000001111111
+    attributes: [[name:no_cont], [name:cond]]
+    size:   32
+    branch:   true
+    delay:   [1,1]
+  - BNE:
+    encoding: 0b00000000000000000001000001100011
+    mask: 0b00000000000000000111000001111111
+    attributes: [[name:no_cont], [name:cond]]
+    size:   32
+    branch:   true
+    delay:   [1,1]
+  - BLT:
+    encoding: 0b00000000000000000100000001100011
+    mask: 0b00000000000000000111000001111111
+    attributes: [[name:no_cont], [name:cond]]
+    size:   32
+    branch:   true
+    delay:   [1,1]
+  - BGE:
+    encoding: 0b00000000000000000101000001100011
+    mask: 0b00000000000000000111000001111111
+    attributes: [[name:no_cont], [name:cond]]
+    size:   32
+    branch:   true
+    delay:   [1,1]
+  - BLTU:
+    encoding: 0b00000000000000000110000001100011
+    mask: 0b00000000000000000111000001111111
+    attributes: [[name:no_cont], [name:cond]]
+    size:   32
+    branch:   true
+    delay:   [1,1]
+  - BGEU:
+    encoding: 0b00000000000000000111000001100011
+    mask: 0b00000000000000000111000001111111
+    attributes: [[name:no_cont], [name:cond]]
+    size:   32
+    branch:   true
+    delay:   [1,1]
+  - LB:
+    encoding: 0b00000000000000000000000000000011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - LH:
+    encoding: 0b00000000000000000001000000000011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - LW:
+    encoding: 0b00000000000000000010000000000011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - LBU:
+    encoding: 0b00000000000000000100000000000011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - LHU:
+    encoding: 0b00000000000000000101000000000011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SB:
+    encoding: 0b00000000000000000000000000100011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SH:
+    encoding: 0b00000000000000000001000000100011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SW:
+    encoding: 0b00000000000000000010000000100011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - ADDI:
+    encoding: 0b00000000000000000000000000010011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SLTI:
+    encoding: 0b00000000000000000010000000010011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SLTIU:
+    encoding: 0b00000000000000000011000000010011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - XORI:
+    encoding: 0b00000000000000000100000000010011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - ORI:
+    encoding: 0b00000000000000000110000000010011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - ANDI:
+    encoding: 0b00000000000000000111000000010011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SLLI:
+    encoding: 0b00000000000000000001000000010011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SRLI:
+    encoding: 0b00000000000000000101000000010011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SRAI:
+    encoding: 0b01000000000000000101000000010011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - ADD:
+    encoding: 0b00000000000000000000000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SUB:
+    encoding: 0b01000000000000000000000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SLL:
+    encoding: 0b00000000000000000001000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SLT:
+    encoding: 0b00000000000000000010000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SLTU:
+    encoding: 0b00000000000000000011000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - XOR:
+    encoding: 0b00000000000000000100000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SRL:
+    encoding: 0b00000000000000000101000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - SRA:
+    encoding: 0b01000000000000000101000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - OR:
+    encoding: 0b00000000000000000110000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - AND:
+    encoding: 0b00000000000000000111000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - FENCE:
+    encoding: 0b00000000000000000000000000001111
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - ECALL:
+    encoding: 0b00000000000000000000000001110011
+    mask: 0b11111111111111111111111111111111
+    attributes: [[name:no_cont]]
+    size:   32
+    branch:   false
+    delay:   1
+  - EBREAK:
+    encoding: 0b00000000000100000000000001110011
+    mask: 0b11111111111111111111111111111111
+    attributes: [[name:no_cont]]
+    size:   32
+    branch:   false
+    delay:   1
+  - MRET:
+    encoding: 0b00110000001000000000000001110011
+    mask: 0b11111111111111111111111111111111
+    attributes: [[name:no_cont]]
+    size:   32
+    branch:   false
+    delay:   1
+  - WFI:
+    encoding: 0b00010000010100000000000001110011
+    mask: 0b11111111111111111111111111111111
+    size:   32
+    branch:   false
+    delay:   1
+Zicsr: 
+  - CSRRW:
+    encoding: 0b00000000000000000001000001110011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - CSRRS:
+    encoding: 0b00000000000000000010000001110011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - CSRRC:
+    encoding: 0b00000000000000000011000001110011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - CSRRWI:
+    encoding: 0b00000000000000000101000001110011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - CSRRSI:
+    encoding: 0b00000000000000000110000001110011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - CSRRCI:
+    encoding: 0b00000000000000000111000001110011
+    mask: 0b00000000000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+Zifencei: 
+  - FENCE_I:
+    encoding: 0b00000000000000000001000000001111
+    mask: 0b00000000000000000111000001111111
+    attributes: [[name:flush]]
+    size:   32
+    branch:   false
+    delay:   1
+RV32M: 
+  - MUL:
+    encoding: 0b00000010000000000000000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - MULH:
+    encoding: 0b00000010000000000001000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - MULHSU:
+    encoding: 0b00000010000000000010000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - MULHU:
+    encoding: 0b00000010000000000011000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - DIV:
+    encoding: 0b00000010000000000100000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - DIVU:
+    encoding: 0b00000010000000000101000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - REM:
+    encoding: 0b00000010000000000110000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+  - REMU:
+    encoding: 0b00000010000000000111000000110011
+    mask: 0b11111110000000000111000001111111
+    size:   32
+    branch:   false
+    delay:   1
+RV32IC: 
+  - CADDI4SPN:
+    encoding: 0b0000000000000000
+    mask: 0b1110000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CLW:
+    encoding: 0b0100000000000000
+    mask: 0b1110000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CSW:
+    encoding: 0b1100000000000000
+    mask: 0b1110000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CADDI:
+    encoding: 0b0000000000000001
+    mask: 0b1110000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CNOP:
+    encoding: 0b0000000000000001
+    mask: 0b1110111110000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CJAL:
+    encoding: 0b0010000000000001
+    mask: 0b1110000000000011
+    attributes: [[name:no_cont]]
+    size:   16
+    branch:   true
+    delay:   1
+  - CLI:
+    encoding: 0b0100000000000001
+    mask: 0b1110000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CLUI:
+    encoding: 0b0110000000000001
+    mask: 0b1110000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CADDI16SP:
+    encoding: 0b0110000100000001
+    mask: 0b1110111110000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CSRLI:
+    encoding: 0b1000000000000001
+    mask: 0b1111110000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CSRAI:
+    encoding: 0b1000010000000001
+    mask: 0b1111110000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CANDI:
+    encoding: 0b1000100000000001
+    mask: 0b1110110000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CSUB:
+    encoding: 0b1000110000000001
+    mask: 0b1111110001100011
+    size:   16
+    branch:   false
+    delay:   1
+  - CXOR:
+    encoding: 0b1000110000100001
+    mask: 0b1111110001100011
+    size:   16
+    branch:   false
+    delay:   1
+  - COR:
+    encoding: 0b1000110001000001
+    mask: 0b1111110001100011
+    size:   16
+    branch:   false
+    delay:   1
+  - CAND:
+    encoding: 0b1000110001100001
+    mask: 0b1111110001100011
+    size:   16
+    branch:   false
+    delay:   1
+  - CJ:
+    encoding: 0b1010000000000001
+    mask: 0b1110000000000011
+    attributes: [[name:no_cont]]
+    size:   16
+    branch:   true
+    delay:   1
+  - CBEQZ:
+    encoding: 0b1100000000000001
+    mask: 0b1110000000000011
+    attributes: [[name:no_cont], [name:cond]]
+    size:   16
+    branch:   true
+    delay:   [1,1]
+  - CBNEZ:
+    encoding: 0b1110000000000001
+    mask: 0b1110000000000011
+    attributes: [[name:no_cont], [name:cond]]
+    size:   16
+    branch:   true
+    delay:   [1,1]
+  - CSLLI:
+    encoding: 0b0000000000000010
+    mask: 0b1111000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CLWSP:
+    encoding: 0b0100000000000010
+    mask: 0b1110000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CMV:
+    encoding: 0b1000000000000010
+    mask: 0b1111000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CJR:
+    encoding: 0b1000000000000010
+    mask: 0b1111000001111111
+    attributes: [[name:no_cont]]
+    size:   16
+    branch:   true
+    delay:   1
+  - CADD:
+    encoding: 0b1001000000000010
+    mask: 0b1111000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - CJALR:
+    encoding: 0b1001000000000010
+    mask: 0b1111000001111111
+    attributes: [[name:no_cont]]
+    size:   16
+    branch:   true
+    delay:   1
+  - CEBREAK:
+    encoding: 0b1001000000000010
+    mask: 0b1111111111111111
+    attributes: [[name:no_cont]]
+    size:   16
+    branch:   false
+    delay:   1
+  - CSWSP:
+    encoding: 0b1100000000000010
+    mask: 0b1110000000000011
+    size:   16
+    branch:   false
+    delay:   1
+  - DII:
+    encoding: 0b0000000000000000
+    mask: 0b1111111111111111
+    attributes: [[name:no_cont]]
+    size:   16
+    branch:   false
+    delay:   1
+
diff --git a/src/main.cpp b/src/main.cpp
index a3999ad..5aeb3f8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -31,6 +31,8 @@
  *******************************************************************************/
 
 #include <iostream>
+#include <vector>
+#include <array>
 #include "iss/factory.h"
 
 #include <boost/lexical_cast.hpp>
@@ -170,27 +172,29 @@ int main(int argc, char *argv[]) {
         if (clim.count("plugin")) {
             for (std::string const& opt_val : clim["plugin"].as<std::vector<std::string>>()) {
                 std::string plugin_name=opt_val;
-                std::string filename{"cycles.txt"};
+                std::string arg{""};
                 std::size_t found = opt_val.find('=');
                 if (found != std::string::npos) {
                     plugin_name = opt_val.substr(0, found);
-                    filename = opt_val.substr(found + 1, opt_val.size());
+                    arg = opt_val.substr(found + 1, opt_val.size());
                 }
                 if (plugin_name == "ic") {
-                    auto *ic_plugin = new iss::plugin::instruction_count(filename);
+                    auto *ic_plugin = new iss::plugin::instruction_count(arg);
                     vm->register_plugin(*ic_plugin);
                     plugin_list.push_back(ic_plugin);
                 } else if (plugin_name == "ce") {
-                    auto *ce_plugin = new iss::plugin::cycle_estimate(filename);
+                    auto *ce_plugin = new iss::plugin::cycle_estimate(arg);
                     vm->register_plugin(*ce_plugin);
                     plugin_list.push_back(ce_plugin);
                 } else if (plugin_name == "pctrace") {
-                    auto *plugin = new iss::plugin::pctrace(filename);
+                    auto *plugin = new iss::plugin::pctrace(arg);
                     vm->register_plugin(*plugin);
                     plugin_list.push_back(plugin);
                } else {
 #ifndef WIN32
-                    std::array<char const*, 1> a{{filename.c_str()}};
+                    std::vector<char const*> a{};
+                    if(arg.length())
+                        a.push_back({arg.c_str()});
                     iss::plugin::loader l(plugin_name, {{"initPlugin"}});
                     auto* plugin = l.call_function<iss::vm_plugin*>("initPlugin", a.size(), a.data());
                     if(plugin){