`include "VX_define.vh" module Vortex ( `SCOPE_IO_Vortex // Clock input wire clk, input wire reset, // DRAM request output wire dram_req_valid, output wire dram_req_rw, output wire [`VX_DRAM_BYTEEN_WIDTH-1:0] dram_req_byteen, output wire [`VX_DRAM_ADDR_WIDTH-1:0] dram_req_addr, output wire [`VX_DRAM_LINE_WIDTH-1:0] dram_req_data, output wire [`VX_DRAM_TAG_WIDTH-1:0] dram_req_tag, input wire dram_req_ready, // DRAM response input wire dram_rsp_valid, input wire [`VX_DRAM_LINE_WIDTH-1:0] dram_rsp_data, input wire [`VX_DRAM_TAG_WIDTH-1:0] dram_rsp_tag, output wire dram_rsp_ready, // Snoop request input wire snp_req_valid, input wire [`VX_DRAM_ADDR_WIDTH-1:0] snp_req_addr, input wire snp_req_inv, input wire [`VX_SNP_TAG_WIDTH-1:0] snp_req_tag, output wire snp_req_ready, // Snoop response output wire snp_rsp_valid, output wire [`VX_SNP_TAG_WIDTH-1:0] snp_rsp_tag, input wire snp_rsp_ready, // I/O request output wire [`NUM_THREADS-1:0] io_req_valid, output wire io_req_rw, output wire [`NUM_THREADS-1:0][3:0] io_req_byteen, output wire [`NUM_THREADS-1:0][29:0] io_req_addr, output wire [`NUM_THREADS-1:0][31:0] io_req_data, output wire [`VX_CORE_TAG_WIDTH-1:0] io_req_tag, input wire io_req_ready, // I/O response input wire io_rsp_valid, input wire [31:0] io_rsp_data, input wire [`VX_CORE_TAG_WIDTH-1:0] io_rsp_tag, output wire io_rsp_ready, // CSR I/O Request input wire csr_io_req_valid, input wire [`VX_CSR_ID_WIDTH-1:0] csr_io_req_coreid, input wire [11:0] csr_io_req_addr, input wire csr_io_req_rw, input wire [31:0] csr_io_req_data, output wire csr_io_req_ready, // CSR I/O Response output wire csr_io_rsp_valid, output wire [31:0] csr_io_rsp_data, input wire csr_io_rsp_ready, // Status output wire busy, output wire ebreak ); wire [`NUM_CLUSTERS-1:0] per_cluster_dram_req_valid; wire [`NUM_CLUSTERS-1:0] per_cluster_dram_req_rw; wire [`NUM_CLUSTERS-1:0][`L2DRAM_BYTEEN_WIDTH-1:0] per_cluster_dram_req_byteen; wire [`NUM_CLUSTERS-1:0][`L2DRAM_ADDR_WIDTH-1:0] per_cluster_dram_req_addr; wire [`NUM_CLUSTERS-1:0][`L2DRAM_LINE_WIDTH-1:0] per_cluster_dram_req_data; wire [`NUM_CLUSTERS-1:0][`L2DRAM_TAG_WIDTH-1:0] per_cluster_dram_req_tag; wire [`NUM_CLUSTERS-1:0] per_cluster_dram_req_ready; wire [`NUM_CLUSTERS-1:0] per_cluster_dram_rsp_valid; wire [`NUM_CLUSTERS-1:0][`L2DRAM_LINE_WIDTH-1:0] per_cluster_dram_rsp_data; wire [`NUM_CLUSTERS-1:0][`L2DRAM_TAG_WIDTH-1:0] per_cluster_dram_rsp_tag; wire [`NUM_CLUSTERS-1:0] per_cluster_dram_rsp_ready; wire [`NUM_CLUSTERS-1:0] per_cluster_snp_req_valid; wire [`NUM_CLUSTERS-1:0][`L2DRAM_ADDR_WIDTH-1:0] per_cluster_snp_req_addr; wire [`NUM_CLUSTERS-1:0] per_cluster_snp_req_inv; wire [`NUM_CLUSTERS-1:0][`L2SNP_TAG_WIDTH-1:0] per_cluster_snp_req_tag; wire [`NUM_CLUSTERS-1:0] per_cluster_snp_req_ready; wire [`NUM_CLUSTERS-1:0] per_cluster_snp_rsp_valid; wire [`NUM_CLUSTERS-1:0][`L2SNP_TAG_WIDTH-1:0] per_cluster_snp_rsp_tag; wire [`NUM_CLUSTERS-1:0] per_cluster_snp_rsp_ready; wire [`NUM_CLUSTERS-1:0][`NUM_THREADS-1:0] per_cluster_io_req_valid; wire [`NUM_CLUSTERS-1:0] per_cluster_io_req_rw; wire [`NUM_CLUSTERS-1:0][`NUM_THREADS-1:0][3:0] per_cluster_io_req_byteen; wire [`NUM_CLUSTERS-1:0][`NUM_THREADS-1:0][29:0] per_cluster_io_req_addr; wire [`NUM_CLUSTERS-1:0][`NUM_THREADS-1:0][31:0] per_cluster_io_req_data; wire [`NUM_CLUSTERS-1:0][`L2CORE_TAG_WIDTH-1:0] per_cluster_io_req_tag; wire [`NUM_CLUSTERS-1:0] per_cluster_io_req_ready; wire [`NUM_CLUSTERS-1:0] per_cluster_io_rsp_valid; wire [`NUM_CLUSTERS-1:0][`L2CORE_TAG_WIDTH-1:0] per_cluster_io_rsp_tag; wire [`NUM_CLUSTERS-1:0][31:0] per_cluster_io_rsp_data; wire [`NUM_CLUSTERS-1:0] per_cluster_io_rsp_ready; wire [`NUM_CLUSTERS-1:0] per_cluster_csr_io_req_valid; wire [`NUM_CLUSTERS-1:0][11:0] per_cluster_csr_io_req_addr; wire [`NUM_CLUSTERS-1:0] per_cluster_csr_io_req_rw; wire [`NUM_CLUSTERS-1:0][31:0] per_cluster_csr_io_req_data; wire [`NUM_CLUSTERS-1:0] per_cluster_csr_io_req_ready; wire [`NUM_CLUSTERS-1:0] per_cluster_csr_io_rsp_valid; wire [`NUM_CLUSTERS-1:0][31:0] per_cluster_csr_io_rsp_data; wire [`NUM_CLUSTERS-1:0] per_cluster_csr_io_rsp_ready; wire [`NUM_CLUSTERS-1:0] per_cluster_busy; wire [`NUM_CLUSTERS-1:0] per_cluster_ebreak; wire [`LOG2UP(`NUM_CLUSTERS)-1:0] csr_io_cluster_id = `LOG2UP(`NUM_CLUSTERS)'(csr_io_req_coreid >> `CLOG2(`NUM_CORES)); wire [`NC_BITS-1:0] csr_io_core_id = `NC_BITS'(csr_io_req_coreid); for (genvar i = 0; i < `NUM_CLUSTERS; i++) begin VX_cluster #( .CLUSTER_ID(i) ) cluster ( `SCOPE_BIND_Vortex_cluster(i) .clk (clk), .reset (reset), .dram_req_valid (per_cluster_dram_req_valid [i]), .dram_req_rw (per_cluster_dram_req_rw [i]), .dram_req_byteen (per_cluster_dram_req_byteen[i]), .dram_req_addr (per_cluster_dram_req_addr [i]), .dram_req_data (per_cluster_dram_req_data [i]), .dram_req_tag (per_cluster_dram_req_tag [i]), .dram_req_ready (per_cluster_dram_req_ready [i]), .dram_rsp_valid (per_cluster_dram_rsp_valid [i]), .dram_rsp_data (per_cluster_dram_rsp_data [i]), .dram_rsp_tag (per_cluster_dram_rsp_tag [i]), .dram_rsp_ready (per_cluster_dram_rsp_ready [i]), .snp_req_valid (per_cluster_snp_req_valid [i]), .snp_req_addr (per_cluster_snp_req_addr [i]), .snp_req_inv (per_cluster_snp_req_inv [i]), .snp_req_tag (per_cluster_snp_req_tag [i]), .snp_req_ready (per_cluster_snp_req_ready [i]), .snp_rsp_valid (per_cluster_snp_rsp_valid [i]), .snp_rsp_tag (per_cluster_snp_rsp_tag [i]), .snp_rsp_ready (per_cluster_snp_rsp_ready [i]), .io_req_valid (per_cluster_io_req_valid [i]), .io_req_rw (per_cluster_io_req_rw [i]), .io_req_byteen (per_cluster_io_req_byteen [i]), .io_req_addr (per_cluster_io_req_addr [i]), .io_req_data (per_cluster_io_req_data [i]), .io_req_tag (per_cluster_io_req_tag [i]), .io_req_ready (per_cluster_io_req_ready [i]), .io_rsp_valid (per_cluster_io_rsp_valid [i]), .io_rsp_data (per_cluster_io_rsp_data [i]), .io_rsp_tag (per_cluster_io_rsp_tag [i]), .io_rsp_ready (per_cluster_io_rsp_ready [i]), .csr_io_req_valid (per_cluster_csr_io_req_valid[i]), .csr_io_req_coreid (csr_io_core_id), .csr_io_req_rw (per_cluster_csr_io_req_rw [i]), .csr_io_req_addr (per_cluster_csr_io_req_addr[i]), .csr_io_req_data (per_cluster_csr_io_req_data[i]), .csr_io_req_ready (per_cluster_csr_io_req_ready[i]), .csr_io_rsp_valid (per_cluster_csr_io_rsp_valid[i]), .csr_io_rsp_data (per_cluster_csr_io_rsp_data[i]), .csr_io_rsp_ready (per_cluster_csr_io_rsp_ready[i]), .busy (per_cluster_busy [i]), .ebreak (per_cluster_ebreak [i]) ); end VX_databus_arb #( .NUM_REQS (`NUM_CLUSTERS), .WORD_SIZE (4), .TAG_IN_WIDTH (`L2CORE_TAG_WIDTH), .TAG_OUT_WIDTH (`L3CORE_TAG_WIDTH) ) io_arb ( .clk (clk), .reset (reset), // input requests .req_valid_in (per_cluster_io_req_valid), .req_rw_in (per_cluster_io_req_rw), .req_byteen_in (per_cluster_io_req_byteen), .req_addr_in (per_cluster_io_req_addr), .req_data_in (per_cluster_io_req_data), .req_tag_in (per_cluster_io_req_tag), .req_ready_in (per_cluster_io_req_ready), // output request .req_valid_out (io_req_valid), .req_rw_out (io_req_rw), .req_byteen_out (io_req_byteen), .req_addr_out (io_req_addr), .req_data_out (io_req_data), .req_tag_out (io_req_tag), .req_ready_out (io_req_ready), // input responses .rsp_valid_in (per_cluster_io_rsp_valid), .rsp_data_in (per_cluster_io_rsp_data), .rsp_tag_in (per_cluster_io_rsp_tag), .rsp_ready_in (per_cluster_io_rsp_ready), // output response .rsp_valid_out (io_rsp_valid), .rsp_tag_out (io_rsp_tag), .rsp_data_out (io_rsp_data), .rsp_ready_out (io_rsp_ready) ); VX_csr_io_arb #( .NUM_REQS (`NUM_CLUSTERS), .DATA_WIDTH (32), .ADDR_WIDTH (12) ) csr_io_arb ( .clk (clk), .reset (reset), .request_id (csr_io_cluster_id), // input requests .req_valid_in (csr_io_req_valid), .req_addr_in (csr_io_req_addr), .req_rw_in (csr_io_req_rw), .req_data_in (csr_io_req_data), .req_ready_in (csr_io_req_ready), // output request .req_valid_out (per_cluster_csr_io_req_valid), .req_addr_out (per_cluster_csr_io_req_addr), .req_rw_out (per_cluster_csr_io_req_rw), .req_data_out (per_cluster_csr_io_req_data), .req_ready_out (per_cluster_csr_io_req_ready), // input responses .rsp_valid_in (per_cluster_csr_io_rsp_valid), .rsp_data_in (per_cluster_csr_io_rsp_data), .rsp_ready_in (per_cluster_csr_io_rsp_ready), // output response .rsp_valid_out (csr_io_rsp_valid), .rsp_data_out (csr_io_rsp_data), .rsp_ready_out (csr_io_rsp_ready) ); assign busy = (| per_cluster_busy); assign ebreak = (| per_cluster_ebreak); wire snp_fwd_rsp_valid; wire [`L3DRAM_ADDR_WIDTH-1:0] snp_fwd_rsp_addr; wire snp_fwd_rsp_inv; wire [`L3SNP_TAG_WIDTH-1:0] snp_fwd_rsp_tag; wire snp_fwd_rsp_ready; VX_snp_forwarder #( .CACHE_ID (`L3CACHE_ID), .NUM_REQS (`NUM_CLUSTERS), .SRC_ADDR_WIDTH (`L3DRAM_ADDR_WIDTH), .DST_ADDR_WIDTH (`L2DRAM_ADDR_WIDTH), .TAG_IN_WIDTH (`L3SNP_TAG_WIDTH), .TAG_OUT_WIDTH (`L2SNP_TAG_WIDTH), .SNRQ_SIZE (`L3SNRQ_SIZE) ) snp_forwarder ( .clk (clk), .reset (reset), .snp_req_valid (snp_req_valid), .snp_req_addr (snp_req_addr), .snp_req_inv (snp_req_inv), .snp_req_tag (snp_req_tag), .snp_req_ready (snp_req_ready), .snp_rsp_valid (snp_fwd_rsp_valid), .snp_rsp_addr (snp_fwd_rsp_addr), .snp_rsp_inv (snp_fwd_rsp_inv), .snp_rsp_tag (snp_fwd_rsp_tag), .snp_rsp_ready (snp_fwd_rsp_ready), .snp_fwdout_valid (per_cluster_snp_req_valid), .snp_fwdout_addr (per_cluster_snp_req_addr), .snp_fwdout_inv (per_cluster_snp_req_inv), .snp_fwdout_tag (per_cluster_snp_req_tag), .snp_fwdout_ready (per_cluster_snp_req_ready), .snp_fwdin_valid (per_cluster_snp_rsp_valid), .snp_fwdin_tag (per_cluster_snp_rsp_tag), .snp_fwdin_ready (per_cluster_snp_rsp_ready) ); if (`L3_ENABLE) begin wire [`NUM_CLUSTERS-1:0] cluster_dram_rsp_valid; wire [`NUM_CLUSTERS-1:0][`L2DRAM_LINE_WIDTH-1:0] cluster_dram_rsp_data; wire [`NUM_CLUSTERS-1:0][`L2DRAM_TAG_WIDTH-1:0] cluster_dram_rsp_tag; wire cluster_dram_rsp_ready; reg [`NUM_CLUSTERS-1:0] cluster_dram_rsp_ready_other; always @(*) begin cluster_dram_rsp_ready_other = {`NUM_CLUSTERS{1'b1}}; for (integer i = 0; i < `NUM_CLUSTERS; i++) begin for (integer j = 0; j < `NUM_CLUSTERS; j++) begin if (i != j) begin cluster_dram_rsp_ready_other[i] &= (per_cluster_dram_rsp_ready [j] | !cluster_dram_rsp_valid [j]); end end end end for (genvar i = 0; i < `NUM_CLUSTERS; i++) begin // Core Response assign per_cluster_dram_rsp_valid [i] = cluster_dram_rsp_valid [i] & cluster_dram_rsp_ready_other [i]; assign per_cluster_dram_rsp_data [i] = cluster_dram_rsp_data [i]; assign per_cluster_dram_rsp_tag [i] = cluster_dram_rsp_tag [i]; end assign cluster_dram_rsp_ready = & (per_cluster_dram_rsp_ready | ~cluster_dram_rsp_valid); wire cluster_dram_req_ready; for (genvar i = 0; i < `NUM_CLUSTERS; i++) begin assign per_cluster_dram_req_ready[i] = cluster_dram_req_ready; end VX_cache #( .CACHE_ID (`L3CACHE_ID), .CACHE_SIZE (`L3CACHE_SIZE), .BANK_LINE_SIZE (`L3BANK_LINE_SIZE), .NUM_BANKS (`L3NUM_BANKS), .WORD_SIZE (`L3WORD_SIZE), .NUM_REQS (`NUM_CLUSTERS), .CREQ_SIZE (`L3CREQ_SIZE), .MSHR_SIZE (`L3MSHR_SIZE), .DRFQ_SIZE (`L3DRFQ_SIZE), .SNRQ_SIZE (`L3SNRQ_SIZE), .CWBQ_SIZE (`L3CWBQ_SIZE), .DREQ_SIZE (`L3DREQ_SIZE), .SNPQ_SIZE (`L3SNPQ_SIZE), .DRAM_ENABLE (1), .FLUSH_ENABLE (1), .WRITE_ENABLE (1), .CORE_TAG_WIDTH (`L2DRAM_TAG_WIDTH), .CORE_TAG_ID_BITS (0), .DRAM_TAG_WIDTH (`L3DRAM_TAG_WIDTH), .SNP_TAG_WIDTH (`L3SNP_TAG_WIDTH) ) l3cache ( `SCOPE_BIND_Vortex_l3cache .clk (clk), .reset (reset), // Core request .core_req_valid (per_cluster_dram_req_valid), .core_req_rw (per_cluster_dram_req_rw), .core_req_byteen (per_cluster_dram_req_byteen), .core_req_addr (per_cluster_dram_req_addr), .core_req_data (per_cluster_dram_req_data), .core_req_tag (per_cluster_dram_req_tag), .core_req_ready (cluster_dram_req_ready), // Core response .core_rsp_valid (cluster_dram_rsp_valid), .core_rsp_data (cluster_dram_rsp_data), .core_rsp_tag (cluster_dram_rsp_tag), .core_rsp_ready (cluster_dram_rsp_ready), // PERF: total read `ifdef PERF_ENABLE `UNUSED_PIN (perf_cache_if), `endif // DRAM request .dram_req_valid (dram_req_valid), .dram_req_rw (dram_req_rw), .dram_req_byteen (dram_req_byteen), .dram_req_addr (dram_req_addr), .dram_req_data (dram_req_data), .dram_req_tag (dram_req_tag), .dram_req_ready (dram_req_ready), // DRAM response .dram_rsp_valid (dram_rsp_valid), .dram_rsp_data (dram_rsp_data), .dram_rsp_tag (dram_rsp_tag), .dram_rsp_ready (dram_rsp_ready), // Snoop request .snp_req_valid (snp_fwd_rsp_valid), .snp_req_addr (snp_fwd_rsp_addr), .snp_req_inv (snp_fwd_rsp_inv), .snp_req_tag (snp_fwd_rsp_tag), .snp_req_ready (snp_fwd_rsp_ready), // Snoop response .snp_rsp_valid (snp_rsp_valid), .snp_rsp_tag (snp_rsp_tag), .snp_rsp_ready (snp_rsp_ready), // Miss status `UNUSED_PIN (miss_vec) ); end else begin VX_mem_arb #( .NUM_REQS (`NUM_CLUSTERS), .DATA_WIDTH (`L3DRAM_LINE_WIDTH), .TAG_IN_WIDTH (`L2DRAM_TAG_WIDTH), .TAG_OUT_WIDTH (`L3DRAM_TAG_WIDTH) ) dram_arb ( .clk (clk), .reset (reset), // Core request .req_valid_in (per_cluster_dram_req_valid), .req_rw_in (per_cluster_dram_req_rw), .req_byteen_in (per_cluster_dram_req_byteen), .req_addr_in (per_cluster_dram_req_addr), .req_data_in (per_cluster_dram_req_data), .req_tag_in (per_cluster_dram_req_tag), .req_ready_in (per_cluster_dram_req_ready), // DRAM request .req_valid_out (dram_req_valid), .req_rw_out (dram_req_rw), .req_byteen_out (dram_req_byteen), .req_addr_out (dram_req_addr), .req_data_out (dram_req_data), .req_tag_out (dram_req_tag), .req_ready_out (dram_req_ready), // Core response .rsp_valid_out (per_cluster_dram_rsp_valid), .rsp_data_out (per_cluster_dram_rsp_data), .rsp_tag_out (per_cluster_dram_rsp_tag), .rsp_ready_out (per_cluster_dram_rsp_ready), // DRAM response .rsp_valid_in (dram_rsp_valid), .rsp_tag_in (dram_rsp_tag), .rsp_data_in (dram_rsp_data), .rsp_ready_in (dram_rsp_ready) ); `UNUSED_VAR (snp_fwd_rsp_addr) `UNUSED_VAR (snp_fwd_rsp_inv) assign snp_rsp_valid = snp_fwd_rsp_valid; assign snp_rsp_tag = snp_fwd_rsp_tag; assign snp_fwd_rsp_ready = snp_rsp_ready; end `SCOPE_ASSIGN (reset, reset); `SCOPE_ASSIGN (dram_req_fire, dram_req_valid && dram_req_ready); `SCOPE_ASSIGN (dram_req_addr, `TO_FULL_ADDR(dram_req_addr)); `SCOPE_ASSIGN (dram_req_rw, dram_req_rw); `SCOPE_ASSIGN (dram_req_byteen,dram_req_byteen); `SCOPE_ASSIGN (dram_req_data, dram_req_data); `SCOPE_ASSIGN (dram_req_tag, dram_req_tag); `SCOPE_ASSIGN (dram_rsp_fire, dram_rsp_valid && dram_rsp_ready); `SCOPE_ASSIGN (dram_rsp_data, dram_rsp_data); `SCOPE_ASSIGN (dram_rsp_tag, dram_rsp_tag); `SCOPE_ASSIGN (snp_req_fire, snp_req_valid && snp_req_ready); `SCOPE_ASSIGN (snp_req_addr, `TO_FULL_ADDR(snp_req_addr)); `SCOPE_ASSIGN (snp_req_inv, snp_req_inv); `SCOPE_ASSIGN (snp_req_tag, snp_req_tag); `SCOPE_ASSIGN (snp_rsp_fire, snp_rsp_valid && snp_rsp_ready); `SCOPE_ASSIGN (snp_rsp_tag, snp_rsp_tag); `SCOPE_ASSIGN (snp_rsp_fire, snp_rsp_valid && snp_rsp_ready); `SCOPE_ASSIGN (snp_rsp_tag, snp_rsp_tag); `SCOPE_ASSIGN (busy, busy); `ifdef DBG_PRINT_DRAM always @(posedge clk) begin if (dram_req_valid && dram_req_ready) begin if (dram_req_rw) $display("%t: DRAM Wr Req: addr=%0h, tag=%0h, byteen=%0h data=%0h", $time, `TO_FULL_ADDR(dram_req_addr), dram_req_tag, dram_req_byteen, dram_req_data); else $display("%t: DRAM Rd Req: addr=%0h, tag=%0h, byteen=%0h", $time, `TO_FULL_ADDR(dram_req_addr), dram_req_tag, dram_req_byteen); end if (dram_rsp_valid && dram_rsp_ready) begin $display("%t: DRAM Rsp: tag=%0h, data=%0h", $time, dram_rsp_tag, dram_rsp_data); end end `endif `ifndef NDEBUG always @(posedge clk) begin $fflush(); // flush stdout buffer end `endif endmodule