Vortex 2.0 changes:

+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes

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cleanup

cleanup

cache bindings and memory perf refactory

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hw unit tests fixes

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minor udpate

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hw/dpi/util_dpi.vh

@@ -1,14 +1,37 @@
-`ifndef UTIL_DPI
-`define UTIL_DPI
+// Copyright © 2019-2023
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
-import "DPI-C" function void dpi_imul(input logic enable, input int a, input int b, input logic is_signed_a, input logic is_signed_b, output int resultl, output int resulth);
-import "DPI-C" function void dpi_idiv(input logic enable, input int a, input int b, input logic is_signed, output int quotient, output int remainder);
+`ifndef UTIL_DPI_VH
+`define UTIL_DPI_VH
+
+`include "VX_config.vh"
+
+`ifdef XLEN_64
+`define INT_TYPE longint
+`else
+`define INT_TYPE int
+`endif
+
+import "DPI-C" function void dpi_imul(input logic enable, input logic is_signed_a, input logic is_signed_b, input `INT_TYPE a, input `INT_TYPE b, output `INT_TYPE resultl, output `INT_TYPE resulth);
+import "DPI-C" function void dpi_idiv(input logic enable, input logic is_signed, input `INT_TYPE a, input `INT_TYPE b, output `INT_TYPE quotient, output `INT_TYPE remainder);
 
 import "DPI-C" function int dpi_register();
 import "DPI-C" function void dpi_assert(int inst, input logic cond, input int delay);
 
-import "DPI-C" function void dpi_trace(input string format /*verilator sformat*/);
+import "DPI-C" function void dpi_trace(input int level, input string format /*verilator sformat*/);
 import "DPI-C" function void dpi_trace_start();
 import "DPI-C" function void dpi_trace_stop();
 
-`endif
+import "DPI-C" function longint dpi_uuid_gen(input logic reset, input int wid, input longint PC);
+
+`endif