Vortex 2.0 changes:

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

hw/rtl/interfaces/VX_fetch_if.sv

@@ -0,0 +1,46 @@
+// 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.
+
+`include "VX_define.vh"
+
+interface VX_fetch_if ();
+
+    typedef struct packed {
+        logic [`UUID_WIDTH-1:0]     uuid;
+        logic [`NW_WIDTH-1:0]       wid;
+        logic [`NUM_THREADS-1:0]    tmask;
+        logic [`XLEN-1:0]           PC;
+        logic [31:0]                instr;
+    } data_t;
+
+    logic  valid;
+    data_t data;
+    logic  ready;
+    
+    logic [`ISSUE_WIDTH-1:0] ibuf_pop;
+
+    modport master (
+        output valid,
+        output data,
+        input  ibuf_pop,
+        input  ready
+    );
+
+    modport slave (
+        input  valid,
+        input  data,
+        output ibuf_pop,
+        output ready
+    );
+
+endinterface