merging changes from OPAE branch making this branch

old_rtl/interfaces/VX_frE_to_bckE_req_inter.v

@@ -0,0 +1,46 @@
+
+`include "../VX_define.v"
+
+`ifndef VX_FrE_to_BE_INTER
+
+`define VX_FrE_to_BE_INTER
+
+interface VX_frE_to_bckE_req_inter ();
+
+	wire[11:0]           csr_address;
+	wire                 is_csr;
+	wire                 csr_immed;
+	wire[31:0]           csr_mask;
+	wire[4:0]            rd;
+	wire[4:0]            rs1;
+	wire[4:0]            rs2;
+	wire[4:0]            alu_op;
+	wire[1:0]            wb;
+	wire                 rs2_src;
+	wire[31:0]           itype_immed;
+	wire[2:0]            mem_read;
+	wire[2:0]            mem_write;
+	wire[2:0]            branch_type;
+	wire[19:0]           upper_immed;
+	wire[31:0]           curr_PC;
+	/* verilator lint_off UNUSED */
+	wire                 ebreak;
+	/* verilator lint_on UNUSED */
+	wire                 jalQual;
+	wire                 jal;
+	wire[31:0]           jal_offset;
+	wire[31:0]           PC_next;
+	wire[`NT_M1:0]       valid;
+	wire[`NW_M1:0]       warp_num;
+
+	// GPGPU stuff
+	wire                 is_wspawn;
+	wire                 is_tmc;   
+	wire                 is_split; 
+	wire                 is_barrier;
+
+
+endinterface
+
+
+`endif