GPR Wrapper in Decode

2019-09-09 01:03:13 -04:00
parent ecf81336db
commit bce9bc443c
16 changed files with 4432 additions and 4847 deletions
--- a/rtl/VX_gpr_wrapper.v
+++ b/rtl/VX_gpr_wrapper.v
@@ -0,0 +1,101 @@
+`include "VX_define.v"
+
+module VX_gpr_wrapper (
+	input wire                  clk,
+	input wire[`NW_M1:0]        in_warp_num,
+	input wire[`NW_M1:0]        in_wb_warp_num,
+	input wire                  is_clone,
+	input wire[`NT_M1:0]        in_wb_valid,
+	input wire[4:0]             in_rd,
+	input wire[4:0]             in_rs1,
+	input wire[4:0]             in_rs2,
+	input wire[31:0]            in_curr_PC,
+	input wire                  is_jal,
+	input wire                  in_src1_fwd,
+	input wire[`NT_M1:0][31:0]  in_src1_fwd_data,
+	input wire                  in_src2_fwd,
+	input wire[`NT_M1:0][31:0]  in_src2_fwd_data,
+	input wire                  write_register, // WB
+	input wire[`NT_M1:0][31:0]  in_write_data,
+	input wire                  is_wspawn,
+	input wire[`NW_M1:0]        in_which_wspawn,
+
+	output wire[`NT_M1:0][31:0] out_a_reg_data,
+	output wire[`NT_M1:0][31:0] out_b_reg_data,
+	output wire                 out_clone_stall
+	
+);
+
+	wire[`NW-1:0][`NT_M1:0][31:0] temp_a_reg_data;
+	wire[`NW-1:0][`NT_M1:0][31:0] temp_b_reg_data;
+
+	assign out_a_reg_data = temp_a_reg_data[in_warp_num];
+	assign out_b_reg_data = temp_b_reg_data[in_warp_num];
+
+	wire[31:0][31:0] w0_t0_registers;
+
+	wire[`NW-1:0]  temp_clone_stall;
+
+	assign out_clone_stall = (|temp_clone_stall);
+
+
+	wire       curr_warp_zero     = in_warp_num == 0;
+	wire       context_zero_valid = (in_wb_warp_num == 0);
+	wire       real_zero_isclone  = is_clone  && (in_warp_num == 0);  
+	VX_context VX_Context_zero(
+		.clk              (clk),
+		.in_warp          (curr_warp_zero),
+		.in_wb_warp       (context_zero_valid),
+		.in_valid         (in_wb_valid),
+		.in_rd            (in_rd),
+		.in_src1          (in_rs1),
+		.in_src2          (in_rs2),
+		.in_curr_PC       (in_curr_PC),
+		.in_is_clone      (real_zero_isclone),
+		.in_is_jal        (is_jal),
+		.in_src1_fwd      (in_src1_fwd),
+		.in_src1_fwd_data (in_src1_fwd_data),
+		.in_src2_fwd      (in_src2_fwd),
+		.in_src2_fwd_data (in_src2_fwd_data),
+		.in_write_register(write_register),
+		.in_write_data    (in_write_data),
+		.out_a_reg_data   (temp_a_reg_data[0]),
+		.out_b_reg_data   (temp_b_reg_data[0]),
+		.out_clone_stall  (temp_clone_stall[0]),
+		.w0_t0_registers  (w0_t0_registers)
+	);
+
+	genvar r;
+	generate
+		for (r = 1; r < `NW; r = r + 1) begin
+			wire context_glob_valid = (in_wb_warp_num == r);
+			wire curr_warp_glob     = in_warp_num == r;
+			wire real_wspawn        = is_wspawn && (in_which_wspawn == r); 
+			wire real_isclone       = is_clone  && (in_warp_num == r);      
+			VX_context_slave VX_Context_one(
+				.clk              (clk),
+				.in_warp          (curr_warp_glob),
+				.in_wb_warp       (context_glob_valid),
+				.in_valid         (in_wb_valid),
+				.in_rd            (in_rd),
+				.in_src1          (in_rs1),
+				.in_src2          (in_rs2),
+				.in_curr_PC       (in_curr_PC),
+				.in_is_clone      (real_isclone),
+				.in_is_jal        (is_jal),
+				.in_src1_fwd      (in_src1_fwd),
+				.in_src1_fwd_data (in_src1_fwd_data),
+				.in_src2_fwd      (in_src2_fwd),
+				.in_src2_fwd_data (in_src2_fwd_data),
+				.in_write_register(write_register),
+				.in_write_data    (in_write_data),
+				.in_wspawn_regs   (w0_t0_registers),
+				.in_wspawn        (real_wspawn),
+				.out_a_reg_data   (temp_a_reg_data[r]),
+				.out_b_reg_data   (temp_b_reg_data[r]),
+				.out_clone_stall  (temp_clone_stall[r])
+			);
+		end
+	endgenerate
+
+endmodule