Verilog update

25 files changed, 782 insertions, 0 deletions

diff --git a/verilog/alu/obj_dir/Valu b/verilog/alu/obj_dir/Valu
new file mode 100755
index 0000000..de4fc59
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu
diff --git a/verilog/alu/obj_dir/Valu.cpp b/verilog/alu/obj_dir/Valu.cpp
new file mode 100644
index 0000000..7d020e4
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu.cpp
@@ -0,0 +1,118 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Model implementation (design independent parts)
+
+#include "Valu.h"
+#include "Valu__Syms.h"
+#include "verilated_vcd_c.h"
+
+//============================================================
+// Constructors
+
+Valu::Valu(VerilatedContext* _vcontextp__, const char* _vcname__)
+    : vlSymsp{new Valu__Syms(_vcontextp__, _vcname__, this)}
+    , op{vlSymsp->TOP.op}
+    , in1{vlSymsp->TOP.in1}
+    , in2{vlSymsp->TOP.in2}
+    , out{vlSymsp->TOP.out}
+    , rootp{&(vlSymsp->TOP)}
+{
+}
+
+Valu::Valu(const char* _vcname__)
+    : Valu(nullptr, _vcname__)
+{
+}
+
+//============================================================
+// Destructor
+
+Valu::~Valu() {
+    delete vlSymsp;
+}
+
+//============================================================
+// Evaluation loop
+
+void Valu___024root___eval_initial(Valu___024root* vlSelf);
+void Valu___024root___eval_settle(Valu___024root* vlSelf);
+void Valu___024root___eval(Valu___024root* vlSelf);
+#ifdef VL_DEBUG
+void Valu___024root___eval_debug_assertions(Valu___024root* vlSelf);
+#endif  // VL_DEBUG
+void Valu___024root___final(Valu___024root* vlSelf);
+
+static void _eval_initial_loop(Valu__Syms* __restrict vlSymsp) {
+    vlSymsp->__Vm_didInit = true;
+    Valu___024root___eval_initial(&(vlSymsp->TOP));
+    // Evaluate till stable
+    vlSymsp->__Vm_activity = true;
+    do {
+        VL_DEBUG_IF(VL_DBG_MSGF("+ Initial loop\n"););
+        Valu___024root___eval_settle(&(vlSymsp->TOP));
+        Valu___024root___eval(&(vlSymsp->TOP));
+    } while (0);
+}
+
+void Valu::eval_step() {
+    VL_DEBUG_IF(VL_DBG_MSGF("+++++TOP Evaluate Valu::eval_step\n"); );
+#ifdef VL_DEBUG
+    // Debug assertions
+    Valu___024root___eval_debug_assertions(&(vlSymsp->TOP));
+#endif  // VL_DEBUG
+    // Initialize
+    if (VL_UNLIKELY(!vlSymsp->__Vm_didInit)) _eval_initial_loop(vlSymsp);
+    // Evaluate till stable
+    vlSymsp->__Vm_activity = true;
+    do {
+        VL_DEBUG_IF(VL_DBG_MSGF("+ Clock loop\n"););
+        Valu___024root___eval(&(vlSymsp->TOP));
+    } while (0);
+    // Evaluate cleanup
+}
+
+//============================================================
+// Utilities
+
+VerilatedContext* Valu::contextp() const {
+    return vlSymsp->_vm_contextp__;
+}
+
+const char* Valu::name() const {
+    return vlSymsp->name();
+}
+
+//============================================================
+// Invoke final blocks
+
+VL_ATTR_COLD void Valu::final() {
+    Valu___024root___final(&(vlSymsp->TOP));
+}
+
+//============================================================
+// Trace configuration
+
+void Valu___024root__trace_init_top(Valu___024root* vlSelf, VerilatedVcd* tracep);
+
+VL_ATTR_COLD static void trace_init(void* voidSelf, VerilatedVcd* tracep, uint32_t code) {
+    // Callback from tracep->open()
+    Valu___024root* const __restrict vlSelf VL_ATTR_UNUSED = static_cast<Valu___024root*>(voidSelf);
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    if (!vlSymsp->_vm_contextp__->calcUnusedSigs()) {
+        VL_FATAL_MT(__FILE__, __LINE__, __FILE__,
+            "Turning on wave traces requires Verilated::traceEverOn(true) call before time 0.");
+    }
+    vlSymsp->__Vm_baseCode = code;
+    tracep->scopeEscape(' ');
+    tracep->pushNamePrefix(std::string{vlSymsp->name()} + ' ');
+    Valu___024root__trace_init_top(vlSelf, tracep);
+    tracep->popNamePrefix();
+    tracep->scopeEscape('.');
+}
+
+VL_ATTR_COLD void Valu___024root__trace_register(Valu___024root* vlSelf, VerilatedVcd* tracep);
+
+VL_ATTR_COLD void Valu::trace(VerilatedVcdC* tfp, int levels, int options) {
+    if (false && levels && options) {}  // Prevent unused
+    tfp->spTrace()->addInitCb(&trace_init, &(vlSymsp->TOP));
+    Valu___024root__trace_register(&(vlSymsp->TOP), tfp->spTrace());
+}
diff --git a/verilog/alu/obj_dir/Valu.h b/verilog/alu/obj_dir/Valu.h
new file mode 100644
index 0000000..57738b5
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu.h
@@ -0,0 +1,73 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Primary model header
+//
+// This header should be included by all source files instantiating the design.
+// The class here is then constructed to instantiate the design.
+// See the Verilator manual for examples.
+
+#ifndef VERILATED_VALU_H_
+#define VERILATED_VALU_H_  // guard
+
+#include "verilated.h"
+
+class Valu__Syms;
+class Valu___024root;
+class VerilatedVcdC;
+
+// This class is the main interface to the Verilated model
+class Valu VL_NOT_FINAL {
+  private:
+    // Symbol table holding complete model state (owned by this class)
+    Valu__Syms* const vlSymsp;
+
+  public:
+
+    // PORTS
+    // The application code writes and reads these signals to
+    // propagate new values into/out from the Verilated model.
+    VL_IN8(&op,3,0);
+    VL_IN(&in1,31,0);
+    VL_IN(&in2,31,0);
+    VL_OUT(&out,31,0);
+
+    // CELLS
+    // Public to allow access to /* verilator public */ items.
+    // Otherwise the application code can consider these internals.
+
+    // Root instance pointer to allow access to model internals,
+    // including inlined /* verilator public_flat_* */ items.
+    Valu___024root* const rootp;
+
+    // CONSTRUCTORS
+    /// Construct the model; called by application code
+    /// If contextp is null, then the model will use the default global context
+    /// If name is "", then makes a wrapper with a
+    /// single model invisible with respect to DPI scope names.
+    explicit Valu(VerilatedContext* contextp, const char* name = "TOP");
+    explicit Valu(const char* name = "TOP");
+    /// Destroy the model; called (often implicitly) by application code
+    virtual ~Valu();
+  private:
+    VL_UNCOPYABLE(Valu);  ///< Copying not allowed
+
+  public:
+    // API METHODS
+    /// Evaluate the model.  Application must call when inputs change.
+    void eval() { eval_step(); }
+    /// Evaluate when calling multiple units/models per time step.
+    void eval_step();
+    /// Evaluate at end of a timestep for tracing, when using eval_step().
+    /// Application must call after all eval() and before time changes.
+    void eval_end_step() {}
+    /// Simulation complete, run final blocks.  Application must call on completion.
+    void final();
+    /// Trace signals in the model; called by application code
+    void trace(VerilatedVcdC* tfp, int levels, int options = 0);
+    /// Return current simulation context for this model.
+    /// Used to get to e.g. simulation time via contextp()->time()
+    VerilatedContext* contextp() const;
+    /// Retrieve name of this model instance (as passed to constructor).
+    const char* name() const;
+} VL_ATTR_ALIGNED(VL_CACHE_LINE_BYTES);
+
+#endif  // guard
diff --git a/verilog/alu/obj_dir/Valu.mk b/verilog/alu/obj_dir/Valu.mk
new file mode 100644
index 0000000..15a2c2f
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu.mk
@@ -0,0 +1,68 @@
+# Verilated -*- Makefile -*-
+# DESCRIPTION: Verilator output: Makefile for building Verilated archive or executable
+#
+# Execute this makefile from the object directory:
+#    make -f Valu.mk
+
+default: Valu
+
+### Constants...
+# Perl executable (from $PERL)
+PERL = perl
+# Path to Verilator kit (from $VERILATOR_ROOT)
+VERILATOR_ROOT = /usr/share/verilator
+# SystemC include directory with systemc.h (from $SYSTEMC_INCLUDE)
+SYSTEMC_INCLUDE ?= 
+# SystemC library directory with libsystemc.a (from $SYSTEMC_LIBDIR)
+SYSTEMC_LIBDIR ?= 
+
+### Switches...
+# C++ code coverage  0/1 (from --prof-c)
+VM_PROFC = 0
+# SystemC output mode?  0/1 (from --sc)
+VM_SC = 0
+# Legacy or SystemC output mode?  0/1 (from --sc)
+VM_SP_OR_SC = $(VM_SC)
+# Deprecated
+VM_PCLI = 1
+# Deprecated: SystemC architecture to find link library path (from $SYSTEMC_ARCH)
+VM_SC_TARGET_ARCH = linux
+
+### Vars...
+# Design prefix (from --prefix)
+VM_PREFIX = Valu
+# Module prefix (from --prefix)
+VM_MODPREFIX = Valu
+# User CFLAGS (from -CFLAGS on Verilator command line)
+VM_USER_CFLAGS = \
+
+# User LDLIBS (from -LDFLAGS on Verilator command line)
+VM_USER_LDLIBS = \
+
+# User .cpp files (from .cpp's on Verilator command line)
+VM_USER_CLASSES = \
+	tbalu \
+
+# User .cpp directories (from .cpp's on Verilator command line)
+VM_USER_DIR = \
+	. \
+
+
+### Default rules...
+# Include list of all generated classes
+include Valu_classes.mk
+# Include global rules
+include $(VERILATOR_ROOT)/include/verilated.mk
+
+### Executable rules... (from --exe)
+VPATH += $(VM_USER_DIR)
+
+tbalu.o: tbalu.cpp
+	$(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OPT_FAST) -c -o $@ $<
+
+### Link rules... (from --exe)
+Valu: $(VK_USER_OBJS) $(VK_GLOBAL_OBJS) $(VM_PREFIX)__ALL.a $(VM_HIER_LIBS)
+	$(LINK) $(LDFLAGS) $^ $(LOADLIBES) $(LDLIBS) $(LIBS) $(SC_LIBS) -o $@
+
+
+# Verilated -*- Makefile -*-
diff --git a/verilog/alu/obj_dir/Valu__ALL.a b/verilog/alu/obj_dir/Valu__ALL.a
new file mode 100644
index 0000000..4ad5286
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__ALL.a
diff --git a/verilog/alu/obj_dir/Valu__ALL.cpp b/verilog/alu/obj_dir/Valu__ALL.cpp
new file mode 100644
index 0000000..ed815ee
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__ALL.cpp
@@ -0,0 +1,9 @@
+// DESCRIPTION: Generated by verilator_includer via makefile
+#define VL_INCLUDE_OPT include
+#include "Valu.cpp"
+#include "Valu___024root__DepSet_ha59b247d__0.cpp"
+#include "Valu__Trace__0.cpp"
+#include "Valu___024root__Slow.cpp"
+#include "Valu___024root__DepSet_ha59b247d__0__Slow.cpp"
+#include "Valu__Syms.cpp"
+#include "Valu__Trace__0__Slow.cpp"
diff --git a/verilog/alu/obj_dir/Valu__ALL.d b/verilog/alu/obj_dir/Valu__ALL.d
new file mode 100644
index 0000000..636205f
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__ALL.d
@@ -0,0 +1,13 @@
+Valu__ALL.o: Valu__ALL.cpp Valu.cpp Valu.h \
+ /usr/share/verilator/include/verilated.h \
+ /usr/share/verilator/include/verilatedos.h \
+ /usr/share/verilator/include/verilated_config.h \
+ /usr/share/verilator/include/verilated_types.h \
+ /usr/share/verilator/include/verilated_funcs.h Valu__Syms.h \
+ Valu___024root.h /usr/share/verilator/include/verilated_vcd_c.h \
+ /usr/share/verilator/include/verilated.h \
+ /usr/share/verilator/include/verilated_trace.h \
+ /usr/share/verilator/include/verilated_trace_defs.h \
+ Valu___024root__DepSet_ha59b247d__0.cpp Valu__Trace__0.cpp \
+ Valu___024root__Slow.cpp Valu___024root__DepSet_ha59b247d__0__Slow.cpp \
+ Valu__Syms.cpp Valu__Trace__0__Slow.cpp
diff --git a/verilog/alu/obj_dir/Valu__ALL.o b/verilog/alu/obj_dir/Valu__ALL.o
new file mode 100644
index 0000000..1377001
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__ALL.o
diff --git a/verilog/alu/obj_dir/Valu__Syms.cpp b/verilog/alu/obj_dir/Valu__Syms.cpp
new file mode 100644
index 0000000..bd9fdd1
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__Syms.cpp
@@ -0,0 +1,26 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Symbol table implementation internals
+
+#include "Valu__Syms.h"
+#include "Valu.h"
+#include "Valu___024root.h"
+
+// FUNCTIONS
+Valu__Syms::~Valu__Syms()
+{
+}
+
+Valu__Syms::Valu__Syms(VerilatedContext* contextp, const char* namep,Valu* modelp)
+    : VerilatedSyms{contextp}
+    // Setup internal state of the Syms class
+    , __Vm_modelp{modelp}
+    // Setup module instances
+    , TOP(namep)
+{
+    // Configure time unit / time precision
+    _vm_contextp__->timeunit(-6);
+    _vm_contextp__->timeprecision(-9);
+    // Setup each module's pointers to their submodules
+    // Setup each module's pointer back to symbol table (for public functions)
+    TOP.__Vconfigure(this, true);
+}
diff --git a/verilog/alu/obj_dir/Valu__Syms.h b/verilog/alu/obj_dir/Valu__Syms.h
new file mode 100644
index 0000000..e69592b
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__Syms.h
@@ -0,0 +1,39 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Symbol table internal header
+//
+// Internal details; most calling programs do not need this header,
+// unless using verilator public meta comments.
+
+#ifndef VERILATED_VALU__SYMS_H_
+#define VERILATED_VALU__SYMS_H_  // guard
+
+#include "verilated.h"
+
+// INCLUDE MODEL CLASS
+
+#include "Valu.h"
+
+// INCLUDE MODULE CLASSES
+#include "Valu___024root.h"
+
+// SYMS CLASS (contains all model state)
+class Valu__Syms final : public VerilatedSyms {
+  public:
+    // INTERNAL STATE
+    Valu* const __Vm_modelp;
+    bool __Vm_activity = false;  ///< Used by trace routines to determine change occurred
+    uint32_t __Vm_baseCode = 0;  ///< Used by trace routines when tracing multiple models
+    bool __Vm_didInit = false;
+
+    // MODULE INSTANCE STATE
+    Valu___024root                 TOP;
+
+    // CONSTRUCTORS
+    Valu__Syms(VerilatedContext* contextp, const char* namep, Valu* modelp);
+    ~Valu__Syms();
+
+    // METHODS
+    const char* name() { return TOP.name(); }
+} VL_ATTR_ALIGNED(VL_CACHE_LINE_BYTES);
+
+#endif  // guard
diff --git a/verilog/alu/obj_dir/Valu__Trace__0.cpp b/verilog/alu/obj_dir/Valu__Trace__0.cpp
new file mode 100644
index 0000000..4713f0f
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__Trace__0.cpp
@@ -0,0 +1,42 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Tracing implementation internals
+#include "verilated_vcd_c.h"
+#include "Valu__Syms.h"
+
+
+void Valu___024root__trace_chg_sub_0(Valu___024root* vlSelf, VerilatedVcd* tracep);
+
+void Valu___024root__trace_chg_top_0(void* voidSelf, VerilatedVcd* tracep) {
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root__trace_chg_top_0\n"); );
+    // Init
+    Valu___024root* const __restrict vlSelf VL_ATTR_UNUSED = static_cast<Valu___024root*>(voidSelf);
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    if (VL_UNLIKELY(!vlSymsp->__Vm_activity)) return;
+    // Body
+    Valu___024root__trace_chg_sub_0((&vlSymsp->TOP), tracep);
+}
+
+void Valu___024root__trace_chg_sub_0(Valu___024root* vlSelf, VerilatedVcd* tracep) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root__trace_chg_sub_0\n"); );
+    // Init
+    vluint32_t* const oldp VL_ATTR_UNUSED = tracep->oldp(vlSymsp->__Vm_baseCode + 1);
+    // Body
+    tracep->chgIData(oldp+0,(vlSelf->in1),32);
+    tracep->chgIData(oldp+1,(vlSelf->in2),32);
+    tracep->chgCData(oldp+2,(vlSelf->op),4);
+    tracep->chgIData(oldp+3,(vlSelf->out),32);
+    tracep->chgIData(oldp+4,(vlSelf->alu__DOT__result),32);
+}
+
+void Valu___024root__trace_cleanup(void* voidSelf, VerilatedVcd* /*unused*/) {
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root__trace_cleanup\n"); );
+    // Init
+    Valu___024root* const __restrict vlSelf VL_ATTR_UNUSED = static_cast<Valu___024root*>(voidSelf);
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VlUnpacked<CData/*0:0*/, 1> __Vm_traceActivity;
+    // Body
+    vlSymsp->__Vm_activity = false;
+    __Vm_traceActivity[0U] = 0U;
+}
diff --git a/verilog/alu/obj_dir/Valu__Trace__0__Slow.cpp b/verilog/alu/obj_dir/Valu__Trace__0__Slow.cpp
new file mode 100644
index 0000000..25d47f5
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__Trace__0__Slow.cpp
@@ -0,0 +1,74 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Tracing implementation internals
+#include "verilated_vcd_c.h"
+#include "Valu__Syms.h"
+
+
+VL_ATTR_COLD void Valu___024root__trace_init_sub__TOP__0(Valu___024root* vlSelf, VerilatedVcd* tracep) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root__trace_init_sub__TOP__0\n"); );
+    // Init
+    const int c = vlSymsp->__Vm_baseCode;
+    // Body
+    tracep->declBus(c+1,"in1", false,-1, 31,0);
+    tracep->declBus(c+2,"in2", false,-1, 31,0);
+    tracep->declBus(c+3,"op", false,-1, 3,0);
+    tracep->declBus(c+4,"out", false,-1, 31,0);
+    tracep->pushNamePrefix("alu ");
+    tracep->declBus(c+1,"in1", false,-1, 31,0);
+    tracep->declBus(c+2,"in2", false,-1, 31,0);
+    tracep->declBus(c+3,"op", false,-1, 3,0);
+    tracep->declBus(c+4,"out", false,-1, 31,0);
+    tracep->declBus(c+6,"diff", false,-1, 31,0);
+    tracep->declBus(c+5,"result", false,-1, 31,0);
+    tracep->popNamePrefix(1);
+}
+
+VL_ATTR_COLD void Valu___024root__trace_init_top(Valu___024root* vlSelf, VerilatedVcd* tracep) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root__trace_init_top\n"); );
+    // Body
+    Valu___024root__trace_init_sub__TOP__0(vlSelf, tracep);
+}
+
+VL_ATTR_COLD void Valu___024root__trace_full_top_0(void* voidSelf, VerilatedVcd* tracep);
+void Valu___024root__trace_chg_top_0(void* voidSelf, VerilatedVcd* tracep);
+void Valu___024root__trace_cleanup(void* voidSelf, VerilatedVcd* /*unused*/);
+
+VL_ATTR_COLD void Valu___024root__trace_register(Valu___024root* vlSelf, VerilatedVcd* tracep) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root__trace_register\n"); );
+    // Body
+    tracep->addFullCb(&Valu___024root__trace_full_top_0, vlSelf);
+    tracep->addChgCb(&Valu___024root__trace_chg_top_0, vlSelf);
+    tracep->addCleanupCb(&Valu___024root__trace_cleanup, vlSelf);
+}
+
+VL_ATTR_COLD void Valu___024root__trace_full_sub_0(Valu___024root* vlSelf, VerilatedVcd* tracep);
+
+VL_ATTR_COLD void Valu___024root__trace_full_top_0(void* voidSelf, VerilatedVcd* tracep) {
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root__trace_full_top_0\n"); );
+    // Init
+    Valu___024root* const __restrict vlSelf VL_ATTR_UNUSED = static_cast<Valu___024root*>(voidSelf);
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    // Body
+    Valu___024root__trace_full_sub_0((&vlSymsp->TOP), tracep);
+}
+
+VL_ATTR_COLD void Valu___024root__trace_full_sub_0(Valu___024root* vlSelf, VerilatedVcd* tracep) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root__trace_full_sub_0\n"); );
+    // Init
+    vluint32_t* const oldp VL_ATTR_UNUSED = tracep->oldp(vlSymsp->__Vm_baseCode);
+    // Body
+    tracep->fullIData(oldp+1,(vlSelf->in1),32);
+    tracep->fullIData(oldp+2,(vlSelf->in2),32);
+    tracep->fullCData(oldp+3,(vlSelf->op),4);
+    tracep->fullIData(oldp+4,(vlSelf->out),32);
+    tracep->fullIData(oldp+5,(vlSelf->alu__DOT__result),32);
+    tracep->fullIData(oldp+6,(0U),32);
+}
diff --git a/verilog/alu/obj_dir/Valu___024root.h b/verilog/alu/obj_dir/Valu___024root.h
new file mode 100644
index 0000000..18b3f2f
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu___024root.h
@@ -0,0 +1,34 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Design internal header
+// See Valu.h for the primary calling header
+
+#ifndef VERILATED_VALU___024ROOT_H_
+#define VERILATED_VALU___024ROOT_H_  // guard
+
+#include "verilated.h"
+
+class Valu__Syms;
+VL_MODULE(Valu___024root) {
+  public:
+
+    // DESIGN SPECIFIC STATE
+    VL_IN8(op,3,0);
+    VL_IN(in1,31,0);
+    VL_IN(in2,31,0);
+    VL_OUT(out,31,0);
+    IData/*31:0*/ alu__DOT__result;
+
+    // INTERNAL VARIABLES
+    Valu__Syms* vlSymsp;  // Symbol table
+
+    // CONSTRUCTORS
+    Valu___024root(const char* name);
+    ~Valu___024root();
+    VL_UNCOPYABLE(Valu___024root);
+
+    // INTERNAL METHODS
+    void __Vconfigure(Valu__Syms* symsp, bool first);
+} VL_ATTR_ALIGNED(VL_CACHE_LINE_BYTES);
+
+
+#endif  // guard
diff --git a/verilog/alu/obj_dir/Valu___024root__DepSet_ha59b247d__0.cpp b/verilog/alu/obj_dir/Valu___024root__DepSet_ha59b247d__0.cpp
new file mode 100644
index 0000000..99146ec
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu___024root__DepSet_ha59b247d__0.cpp
@@ -0,0 +1,117 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Design implementation internals
+// See Valu.h for the primary calling header
+
+#include "verilated.h"
+
+#include "Valu___024root.h"
+
+VL_INLINE_OPT void Valu___024root___combo__TOP__0(Valu___024root* vlSelf) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root___combo__TOP__0\n"); );
+    // Body
+    vlSelf->alu__DOT__result = ((8U & (IData)(vlSelf->op))
+                                 ? ((4U & (IData)(vlSelf->op))
+                                     ? ((2U & (IData)(vlSelf->op))
+                                         ? ((1U & (IData)(vlSelf->op))
+                                             ? vlSelf->in1
+                                             : 0U) : 
+                                        ((1U & (IData)(vlSelf->op))
+                                          ? (((0x1fU 
+                                               >= vlSelf->in2)
+                                               ? (vlSelf->in1 
+                                                  >> vlSelf->in2)
+                                               : 0U) 
+                                             | ((vlSelf->in1 
+                                                 >> 0x1fU)
+                                                 ? 
+                                                ((IData)(0xffffffffU) 
+                                                 << 
+                                                 ((0x10U 
+                                                   & ((~ 
+                                                       (vlSelf->in2 
+                                                        >> 4U)) 
+                                                      << 4U)) 
+                                                  | ((8U 
+                                                      & ((~ 
+                                                          (vlSelf->in2 
+                                                           >> 3U)) 
+                                                         << 3U)) 
+                                                     | ((4U 
+                                                         & ((~ 
+                                                             (vlSelf->in2 
+                                                              >> 2U)) 
+                                                            << 2U)) 
+                                                        | ((2U 
+                                                            & ((~ 
+                                                                (vlSelf->in2 
+                                                                 >> 1U)) 
+                                                               << 1U)) 
+                                                           | (1U 
+                                                              & (~ vlSelf->in2)))))))
+                                                 : 0U))
+                                          : 0U)) : 0U)
+                                 : ((4U & (IData)(vlSelf->op))
+                                     ? ((2U & (IData)(vlSelf->op))
+                                         ? ((1U & (IData)(vlSelf->op))
+                                             ? (vlSelf->in1 
+                                                & vlSelf->in2)
+                                             : (vlSelf->in1 
+                                                | vlSelf->in2))
+                                         : ((1U & (IData)(vlSelf->op))
+                                             ? ((0x1fU 
+                                                 >= vlSelf->in2)
+                                                 ? 
+                                                (vlSelf->in1 
+                                                 >> vlSelf->in2)
+                                                 : 0U)
+                                             : (vlSelf->in1 
+                                                - vlSelf->in2)))
+                                     : ((2U & (IData)(vlSelf->op))
+                                         ? ((1U & (IData)(vlSelf->op))
+                                             ? ((vlSelf->in1 
+                                                 < vlSelf->in2)
+                                                 ? 1U
+                                                 : 0U)
+                                             : (((vlSelf->in1 
+                                                  >> 0x1fU) 
+                                                 == 
+                                                 (vlSelf->in2 
+                                                  >> 0x1fU))
+                                                 ? 0U
+                                                 : 
+                                                ((vlSelf->in1 
+                                                  >> 0x1fU)
+                                                  ? 1U
+                                                  : 0U)))
+                                         : ((1U & (IData)(vlSelf->op))
+                                             ? ((0x1fU 
+                                                 >= vlSelf->in2)
+                                                 ? 
+                                                (vlSelf->in1 
+                                                 >> vlSelf->in2)
+                                                 : 0U)
+                                             : (vlSelf->in1 
+                                                + vlSelf->in2)))));
+    vlSelf->out = vlSelf->alu__DOT__result;
+}
+
+void Valu___024root___eval(Valu___024root* vlSelf) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root___eval\n"); );
+    // Body
+    Valu___024root___combo__TOP__0(vlSelf);
+}
+
+#ifdef VL_DEBUG
+void Valu___024root___eval_debug_assertions(Valu___024root* vlSelf) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root___eval_debug_assertions\n"); );
+    // Body
+    if (VL_UNLIKELY((vlSelf->op & 0xf0U))) {
+        Verilated::overWidthError("op");}
+}
+#endif  // VL_DEBUG
diff --git a/verilog/alu/obj_dir/Valu___024root__DepSet_ha59b247d__0__Slow.cpp b/verilog/alu/obj_dir/Valu___024root__DepSet_ha59b247d__0__Slow.cpp
new file mode 100644
index 0000000..99dde1e
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu___024root__DepSet_ha59b247d__0__Slow.cpp
@@ -0,0 +1,41 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Design implementation internals
+// See Valu.h for the primary calling header
+
+#include "verilated.h"
+
+#include "Valu___024root.h"
+
+VL_ATTR_COLD void Valu___024root___eval_initial(Valu___024root* vlSelf) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root___eval_initial\n"); );
+}
+
+void Valu___024root___combo__TOP__0(Valu___024root* vlSelf);
+
+VL_ATTR_COLD void Valu___024root___eval_settle(Valu___024root* vlSelf) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root___eval_settle\n"); );
+    // Body
+    Valu___024root___combo__TOP__0(vlSelf);
+}
+
+VL_ATTR_COLD void Valu___024root___final(Valu___024root* vlSelf) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root___final\n"); );
+}
+
+VL_ATTR_COLD void Valu___024root___ctor_var_reset(Valu___024root* vlSelf) {
+    if (false && vlSelf) {}  // Prevent unused
+    Valu__Syms* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;
+    VL_DEBUG_IF(VL_DBG_MSGF("+    Valu___024root___ctor_var_reset\n"); );
+    // Body
+    vlSelf->in1 = VL_RAND_RESET_I(32);
+    vlSelf->in2 = VL_RAND_RESET_I(32);
+    vlSelf->op = VL_RAND_RESET_I(4);
+    vlSelf->out = VL_RAND_RESET_I(32);
+    vlSelf->alu__DOT__result = VL_RAND_RESET_I(32);
+}
diff --git a/verilog/alu/obj_dir/Valu___024root__Slow.cpp b/verilog/alu/obj_dir/Valu___024root__Slow.cpp
new file mode 100644
index 0000000..7e197c5
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu___024root__Slow.cpp
@@ -0,0 +1,25 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: Design implementation internals
+// See Valu.h for the primary calling header
+
+#include "verilated.h"
+
+#include "Valu__Syms.h"
+#include "Valu___024root.h"
+
+void Valu___024root___ctor_var_reset(Valu___024root* vlSelf);
+
+Valu___024root::Valu___024root(const char* _vcname__)
+    : VerilatedModule(_vcname__)
+ {
+    // Reset structure values
+    Valu___024root___ctor_var_reset(this);
+}
+
+void Valu___024root::__Vconfigure(Valu__Syms* _vlSymsp, bool first) {
+    if (false && first) {}  // Prevent unused
+    this->vlSymsp = _vlSymsp;
+}
+
+Valu___024root::~Valu___024root() {
+}
diff --git a/verilog/alu/obj_dir/Valu__ver.d b/verilog/alu/obj_dir/Valu__ver.d
new file mode 100644
index 0000000..050f4a2
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__ver.d
@@ -0,0 +1 @@
+obj_dir/Valu.cpp obj_dir/Valu.h obj_dir/Valu.mk obj_dir/Valu__Syms.cpp obj_dir/Valu__Syms.h obj_dir/Valu__Trace__0.cpp obj_dir/Valu__Trace__0__Slow.cpp obj_dir/Valu___024root.h obj_dir/Valu___024root__DepSet_ha59b247d__0.cpp obj_dir/Valu___024root__DepSet_ha59b247d__0__Slow.cpp obj_dir/Valu___024root__Slow.cpp obj_dir/Valu__ver.d obj_dir/Valu_classes.mk  : /usr/bin/verilator_bin /usr/bin/verilator_bin alu.v aluOp.vh 
diff --git a/verilog/alu/obj_dir/Valu__verFiles.dat b/verilog/alu/obj_dir/Valu__verFiles.dat
new file mode 100644
index 0000000..9886e43
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu__verFiles.dat
@@ -0,0 +1,19 @@
+# DESCRIPTION: Verilator output: Timestamp data for --skip-identical.  Delete at will.
+C "-Wall --cc --exe --build tbalu.cpp alu.v --trace"
+S   8301864 49571880  1647534899   665184882  1647204701           0 "/usr/bin/verilator_bin"
+S       826 47450694  1650399377   438046012  1650399377   438046012 "alu.v"
+S       391 47450690  1650315291   577169333  1650315291   577169333 "aluOp.vh"
+T      3738 47972485  1650399379   228051294  1650399379   228051294 "obj_dir/Valu.cpp"
+T      2663 47972468  1650399379   228051294  1650399379   228051294 "obj_dir/Valu.h"
+T      1808 47972982  1650399379   228051294  1650399379   228051294 "obj_dir/Valu.mk"
+T       735 47972353  1650399379   228051294  1650399379   228051294 "obj_dir/Valu__Syms.cpp"
+T      1073 47972356  1650399379   228051294  1650399379   228051294 "obj_dir/Valu__Syms.h"
+T      1816 47972973  1650399379   228051294  1650399379   228051294 "obj_dir/Valu__Trace__0.cpp"
+T      3410 47972972  1650399379   228051294  1650399379   228051294 "obj_dir/Valu__Trace__0__Slow.cpp"
+T       765 47972494  1650399379   228051294  1650399379   228051294 "obj_dir/Valu___024root.h"
+T      6435 47972971  1650399379   228051294  1650399379   228051294 "obj_dir/Valu___024root__DepSet_ha59b247d__0.cpp"
+T      1597 47972817  1650399379   228051294  1650399379   228051294 "obj_dir/Valu___024root__DepSet_ha59b247d__0__Slow.cpp"
+T       630 47972816  1650399379   228051294  1650399379   228051294 "obj_dir/Valu___024root__Slow.cpp"
+T       421 47972983  1650399379   228051294  1650399379   228051294 "obj_dir/Valu__ver.d"
+T         0        0  1650399379   228051294  1650399379   228051294 "obj_dir/Valu__verFiles.dat"
+T      1735 47972979  1650399379   228051294  1650399379   228051294 "obj_dir/Valu_classes.mk"
diff --git a/verilog/alu/obj_dir/Valu_classes.mk b/verilog/alu/obj_dir/Valu_classes.mk
new file mode 100644
index 0000000..ba99411
--- /dev/null
+++ b/verilog/alu/obj_dir/Valu_classes.mk
@@ -0,0 +1,54 @@
+# Verilated -*- Makefile -*-
+# DESCRIPTION: Verilator output: Make include file with class lists
+#
+# This file lists generated Verilated files, for including in higher level makefiles.
+# See Valu.mk for the caller.
+
+### Switches...
+# C11 constructs required?  0/1 (always on now)
+VM_C11 = 1
+# Coverage output mode?  0/1 (from --coverage)
+VM_COVERAGE = 0
+# Parallel builds?  0/1 (from --output-split)
+VM_PARALLEL_BUILDS = 0
+# Threaded output mode?  0/1/N threads (from --threads)
+VM_THREADS = 0
+# Tracing output mode?  0/1 (from --trace/--trace-fst)
+VM_TRACE = 1
+# Tracing output mode in FST format?  0/1 (from --trace-fst)
+VM_TRACE_FST = 0
+# Tracing threaded output mode?  0/1/N threads (from --trace-thread)
+VM_TRACE_THREADS = 0
+# Separate FST writer thread? 0/1 (from --trace-fst with --trace-thread > 0)
+VM_TRACE_FST_WRITER_THREAD = 0
+
+### Object file lists...
+# Generated module classes, fast-path, compile with highest optimization
+VM_CLASSES_FAST += \
+	Valu \
+	Valu___024root__DepSet_ha59b247d__0 \
+
+# Generated module classes, non-fast-path, compile with low/medium optimization
+VM_CLASSES_SLOW += \
+	Valu___024root__Slow \
+	Valu___024root__DepSet_ha59b247d__0__Slow \
+
+# Generated support classes, fast-path, compile with highest optimization
+VM_SUPPORT_FAST += \
+	Valu__Trace__0 \
+
+# Generated support classes, non-fast-path, compile with low/medium optimization
+VM_SUPPORT_SLOW += \
+	Valu__Syms \
+	Valu__Trace__0__Slow \
+
+# Global classes, need linked once per executable, fast-path, compile with highest optimization
+VM_GLOBAL_FAST += \
+	verilated \
+	verilated_vcd_c \
+
+# Global classes, need linked once per executable, non-fast-path, compile with low/medium optimization
+VM_GLOBAL_SLOW += \
+
+
+# Verilated -*- Makefile -*-
diff --git a/verilog/alu/obj_dir/tbalu.d b/verilog/alu/obj_dir/tbalu.d
new file mode 100644
index 0000000..4964d6f
--- /dev/null
+++ b/verilog/alu/obj_dir/tbalu.d
@@ -0,0 +1,9 @@
+tbalu.o: ../tbalu.cpp /usr/share/verilator/include/verilated.h \
+ /usr/share/verilator/include/verilatedos.h \
+ /usr/share/verilator/include/verilated_config.h \
+ /usr/share/verilator/include/verilated_types.h \
+ /usr/share/verilator/include/verilated_funcs.h \
+ /usr/share/verilator/include/verilated_vcd_c.h \
+ /usr/share/verilator/include/verilated.h \
+ /usr/share/verilator/include/verilated_trace.h \
+ /usr/share/verilator/include/verilated_trace_defs.h Valu.h ../aluOp.h
diff --git a/verilog/alu/obj_dir/tbalu.o b/verilog/alu/obj_dir/tbalu.o
new file mode 100644
index 0000000..1612e2b
--- /dev/null
+++ b/verilog/alu/obj_dir/tbalu.o
diff --git a/verilog/alu/obj_dir/verilated.d b/verilog/alu/obj_dir/verilated.d
new file mode 100644
index 0000000..7f4c5e4
--- /dev/null
+++ b/verilog/alu/obj_dir/verilated.d
@@ -0,0 +1,9 @@
+verilated.o: /usr/share/verilator/include/verilated.cpp \
+ /usr/share/verilator/include/verilatedos.h \
+ /usr/share/verilator/include/verilated_imp.h \
+ /usr/share/verilator/include/verilated.h \
+ /usr/share/verilator/include/verilated_config.h \
+ /usr/share/verilator/include/verilated_types.h \
+ /usr/share/verilator/include/verilated_funcs.h \
+ /usr/share/verilator/include/verilated_syms.h \
+ /usr/share/verilator/include/verilated_sym_props.h
diff --git a/verilog/alu/obj_dir/verilated.o b/verilog/alu/obj_dir/verilated.o
new file mode 100644
index 0000000..a226a8b
--- /dev/null
+++ b/verilog/alu/obj_dir/verilated.o
diff --git a/verilog/alu/obj_dir/verilated_vcd_c.d b/verilog/alu/obj_dir/verilated_vcd_c.d
new file mode 100644
index 0000000..667485f
--- /dev/null
+++ b/verilog/alu/obj_dir/verilated_vcd_c.d
@@ -0,0 +1,11 @@
+verilated_vcd_c.o: /usr/share/verilator/include/verilated_vcd_c.cpp \
+ /usr/share/verilator/include/verilatedos.h \
+ /usr/share/verilator/include/verilated.h \
+ /usr/share/verilator/include/verilated_config.h \
+ /usr/share/verilator/include/verilated_types.h \
+ /usr/share/verilator/include/verilated_funcs.h \
+ /usr/share/verilator/include/verilated_vcd_c.h \
+ /usr/share/verilator/include/verilated_trace.h \
+ /usr/share/verilator/include/verilated_trace_defs.h \
+ /usr/share/verilator/include/verilated_trace_imp.cpp \
+ /usr/share/verilator/include/verilated_intrinsics.h
diff --git a/verilog/alu/obj_dir/verilated_vcd_c.o b/verilog/alu/obj_dir/verilated_vcd_c.o
new file mode 100644
index 0000000..469c75e
--- /dev/null
+++ b/verilog/alu/obj_dir/verilated_vcd_c.o