`include "VX_define.vh" module VX_dmem_ctrl ( input wire clk, input wire reset, // Dram <-> Dcache VX_gpu_dcache_dram_req_if gpu_dcache_dram_req_if, VX_gpu_dcache_dram_rsp_if gpu_dcache_dram_res_if, VX_gpu_snp_req_rsp_if gpu_dcache_snp_req_if, // Dram <-> Icache VX_gpu_dcache_dram_req_if gpu_icache_dram_req_if, VX_gpu_dcache_dram_rsp_if gpu_icache_dram_res_if, VX_gpu_snp_req_rsp_if gpu_icache_snp_req_if, // Core <-> Dcache VX_gpu_dcache_rsp_if dcache_rsp_if, VX_gpu_dcache_req_if dcache_req_if, // Core <-> Icache VX_gpu_dcache_rsp_if icache_rsp_if, VX_gpu_dcache_req_if icache_req_if ); VX_gpu_dcache_req_if #(.NUM_REQUESTS(`DNUM_REQUESTS)) dcache_req_smem_if(); VX_gpu_dcache_rsp_if #(.NUM_REQUESTS(`DNUM_REQUESTS)) dcache_rsp_smem_if(); VX_gpu_dcache_req_if #(.NUM_REQUESTS(`DNUM_REQUESTS)) dcache_req_dcache_if(); VX_gpu_dcache_rsp_if #(.NUM_REQUESTS(`DNUM_REQUESTS)) dcache_rsp_dcache_if(); wire to_shm = dcache_req_if.core_req_addr[0][31:24] == 8'hFF; wire dcache_wants_wb = (|dcache_rsp_dcache_if.core_rsp_valid); // Dcache Request assign dcache_req_dcache_if.core_req_valid = dcache_req_if.core_req_valid & {`NUM_THREADS{~to_shm}}; assign dcache_req_dcache_if.core_req_read = dcache_req_if.core_req_read; assign dcache_req_dcache_if.core_req_write = dcache_req_if.core_req_write; assign dcache_req_dcache_if.core_req_addr = dcache_req_if.core_req_addr; assign dcache_req_dcache_if.core_req_data = dcache_req_if.core_req_data; assign dcache_req_dcache_if.core_req_rd = dcache_req_if.core_req_rd; assign dcache_req_dcache_if.core_req_wb = dcache_req_if.core_req_wb; assign dcache_req_dcache_if.core_req_warp_num = dcache_req_if.core_req_warp_num; assign dcache_req_dcache_if.core_req_pc = dcache_req_if.core_req_pc; assign dcache_rsp_dcache_if.core_rsp_ready = dcache_rsp_if.core_rsp_ready; // Shared Memory Request assign dcache_req_smem_if.core_req_valid = dcache_req_if.core_req_valid & {`NUM_THREADS{to_shm}}; assign dcache_req_smem_if.core_req_addr = dcache_req_if.core_req_addr; assign dcache_req_smem_if.core_req_data = dcache_req_if.core_req_data; assign dcache_req_smem_if.core_req_read = dcache_req_if.core_req_read; assign dcache_req_smem_if.core_req_write = dcache_req_if.core_req_write; assign dcache_req_smem_if.core_req_rd = dcache_req_if.core_req_rd; assign dcache_req_smem_if.core_req_wb = dcache_req_if.core_req_wb; assign dcache_req_smem_if.core_req_warp_num = dcache_req_if.core_req_warp_num; assign dcache_req_smem_if.core_req_pc = dcache_req_if.core_req_pc; assign dcache_rsp_smem_if.core_rsp_ready = dcache_rsp_if.core_rsp_ready && ~dcache_wants_wb; // Dcache Response assign dcache_rsp_if.core_rsp_valid = dcache_wants_wb ? dcache_rsp_dcache_if.core_rsp_valid : dcache_rsp_smem_if.core_rsp_valid; assign dcache_rsp_if.core_rsp_read = dcache_wants_wb ? dcache_rsp_dcache_if.core_rsp_read : dcache_rsp_smem_if.core_rsp_read; assign dcache_rsp_if.core_rsp_write = dcache_wants_wb ? dcache_rsp_dcache_if.core_rsp_write : dcache_rsp_smem_if.core_rsp_write; assign dcache_rsp_if.core_rsp_pc = dcache_wants_wb ? dcache_rsp_dcache_if.core_rsp_pc : dcache_rsp_smem_if.core_rsp_pc; assign dcache_rsp_if.core_rsp_data = dcache_wants_wb ? dcache_rsp_dcache_if.core_rsp_data : dcache_rsp_smem_if.core_rsp_data; assign dcache_rsp_if.core_rsp_warp_num = dcache_wants_wb ? dcache_rsp_dcache_if.core_rsp_warp_num : dcache_rsp_smem_if.core_rsp_warp_num; assign dcache_req_if.core_req_ready = to_shm ? dcache_req_smem_if.core_req_ready : dcache_req_dcache_if.core_req_ready; VX_gpu_dcache_dram_req_if #(.BANK_LINE_WORDS(`DBANK_LINE_WORDS)) gpu_smem_dram_req_if(); VX_gpu_dcache_dram_rsp_if #(.BANK_LINE_WORDS(`DBANK_LINE_WORDS)) gpu_smem_dram_res_if(); VX_cache #( .CACHE_SIZE_BYTES (`SCACHE_SIZE_BYTES), .BANK_LINE_SIZE_BYTES (`SBANK_LINE_SIZE_BYTES), .NUM_BANKS (`SNUM_BANKS), .WORD_SIZE_BYTES (`SWORD_SIZE_BYTES), .NUM_REQUESTS (`SNUM_REQUESTS), .STAGE_1_CYCLES (`SSTAGE_1_CYCLES), .FUNC_ID (`SFUNC_ID), .REQQ_SIZE (`SREQQ_SIZE), .MRVQ_SIZE (`SMRVQ_SIZE), .DFPQ_SIZE (`SDFPQ_SIZE), .SNRQ_SIZE (`SSNRQ_SIZE), .CWBQ_SIZE (`SCWBQ_SIZE), .DWBQ_SIZE (`SDWBQ_SIZE), .DFQQ_SIZE (`SDFQQ_SIZE), .LLVQ_SIZE (`SLLVQ_SIZE), .FFSQ_SIZE (`SFFSQ_SIZE), .PRFQ_SIZE (`SPRFQ_SIZE), .PRFQ_STRIDE (`SPRFQ_STRIDE), .FILL_INVALIDAOR_SIZE (`SFILL_INVALIDAOR_SIZE), .SIMULATED_DRAM_LATENCY_CYCLES(`SSIMULATED_DRAM_LATENCY_CYCLES) ) gpu_smem ( .clk (clk), .reset (reset), // Core req .core_req_valid (dcache_req_smem_if.core_req_valid), .core_req_read (dcache_req_smem_if.core_req_read), .core_req_write (dcache_req_smem_if.core_req_write), .core_req_addr (dcache_req_smem_if.core_req_addr), .core_req_data (dcache_req_smem_if.core_req_data), .core_req_rd (dcache_req_smem_if.core_req_rd), .core_req_wb (dcache_req_smem_if.core_req_wb), .core_req_warp_num (dcache_req_smem_if.core_req_warp_num), .core_req_pc (dcache_req_smem_if.core_req_pc), // Can submit core Req .core_req_ready (dcache_req_smem_if.core_req_ready), // Core Cache Can't WB .core_rsp_ready (dcache_rsp_smem_if.core_rsp_ready), // Cache CWB .core_rsp_valid (dcache_rsp_smem_if.core_rsp_valid), .core_rsp_read (dcache_rsp_smem_if.core_rsp_read), .core_rsp_write (dcache_rsp_smem_if.core_rsp_write), .core_rsp_warp_num (dcache_rsp_smem_if.core_rsp_warp_num), .core_rsp_data (dcache_rsp_smem_if.core_rsp_data), .core_rsp_pc (dcache_rsp_smem_if.core_rsp_pc), `IGNORE_WARNINGS_BEGIN .core_rsp_addr (), `IGNORE_WARNINGS_END // DRAM response .dram_rsp_valid (gpu_smem_dram_res_if.dram_rsp_valid), .dram_rsp_addr (gpu_smem_dram_res_if.dram_rsp_addr), .dram_rsp_data (gpu_smem_dram_res_if.dram_rsp_data), // DRAM accept response .dram_rsp_ready (gpu_smem_dram_req_if.dram_rsp_ready), // DRAM Req .dram_req_read (gpu_smem_dram_req_if.dram_req_read), .dram_req_write (gpu_smem_dram_req_if.dram_req_write), .dram_req_addr (gpu_smem_dram_req_if.dram_req_addr), .dram_req_data (gpu_smem_dram_req_if.dram_req_data), .dram_req_ready (0), // Snoop Request .snp_req_valid (0), .snp_req_addr (0), `IGNORE_WARNINGS_BEGIN .snp_req_ready (), `IGNORE_WARNINGS_END // Snoop Forward `IGNORE_WARNINGS_BEGIN .snp_fwd_valid (), .snp_fwd_addr (), `IGNORE_WARNINGS_END .snp_fwd_ready (0) ); VX_cache #( .CACHE_SIZE_BYTES (`DCACHE_SIZE_BYTES), .BANK_LINE_SIZE_BYTES (`DBANK_LINE_SIZE_BYTES), .NUM_BANKS (`DNUM_BANKS), .WORD_SIZE_BYTES (`DWORD_SIZE_BYTES), .NUM_REQUESTS (`DNUM_REQUESTS), .STAGE_1_CYCLES (`DSTAGE_1_CYCLES), .FUNC_ID (`DFUNC_ID), .REQQ_SIZE (`DREQQ_SIZE), .MRVQ_SIZE (`DMRVQ_SIZE), .DFPQ_SIZE (`DDFPQ_SIZE), .SNRQ_SIZE (`DSNRQ_SIZE), .CWBQ_SIZE (`DCWBQ_SIZE), .DWBQ_SIZE (`DDWBQ_SIZE), .DFQQ_SIZE (`DDFQQ_SIZE), .LLVQ_SIZE (`DLLVQ_SIZE), .FFSQ_SIZE (`DFFSQ_SIZE), .PRFQ_SIZE (`DPRFQ_SIZE), .PRFQ_STRIDE (`DPRFQ_STRIDE), .FILL_INVALIDAOR_SIZE (`DFILL_INVALIDAOR_SIZE), .SIMULATED_DRAM_LATENCY_CYCLES(`DSIMULATED_DRAM_LATENCY_CYCLES) ) gpu_dcache ( .clk (clk), .reset (reset), // Core req .core_req_valid (dcache_req_dcache_if.core_req_valid), .core_req_read (dcache_req_dcache_if.core_req_read), .core_req_write (dcache_req_dcache_if.core_req_write), .core_req_addr (dcache_req_dcache_if.core_req_addr), .core_req_data (dcache_req_dcache_if.core_req_data), .core_req_rd (dcache_req_dcache_if.core_req_rd), .core_req_wb (dcache_req_dcache_if.core_req_wb), .core_req_warp_num (dcache_req_dcache_if.core_req_warp_num), .core_req_pc (dcache_req_dcache_if.core_req_pc), // Can submit core Req .core_req_ready (dcache_req_dcache_if.core_req_ready), // Core Cache Can't WB .core_rsp_ready (dcache_rsp_dcache_if.core_rsp_ready), // Cache CWB .core_rsp_valid (dcache_rsp_dcache_if.core_rsp_valid), .core_rsp_read (dcache_rsp_dcache_if.core_rsp_read), .core_rsp_write (dcache_rsp_dcache_if.core_rsp_write), .core_rsp_warp_num (dcache_rsp_dcache_if.core_rsp_warp_num), .core_rsp_data (dcache_rsp_dcache_if.core_rsp_data), .core_rsp_pc (dcache_rsp_dcache_if.core_rsp_pc), `IGNORE_WARNINGS_BEGIN .core_rsp_addr (), `IGNORE_WARNINGS_END // DRAM response .dram_rsp_valid (gpu_dcache_dram_res_if.dram_rsp_valid), .dram_rsp_addr (gpu_dcache_dram_res_if.dram_rsp_addr), .dram_rsp_data (gpu_dcache_dram_res_if.dram_rsp_data), // DRAM accept response .dram_rsp_ready (gpu_dcache_dram_req_if.dram_rsp_ready), // DRAM Req .dram_req_read (gpu_dcache_dram_req_if.dram_req_read), .dram_req_write (gpu_dcache_dram_req_if.dram_req_write), .dram_req_addr (gpu_dcache_dram_req_if.dram_req_addr), .dram_req_data (gpu_dcache_dram_req_if.dram_req_data), .dram_req_ready (gpu_dcache_dram_req_if.dram_req_ready), // Snoop Request .snp_req_valid (gpu_dcache_snp_req_if.snp_req_valid), .snp_req_addr (gpu_dcache_snp_req_if.snp_req_addr), .snp_req_ready (gpu_dcache_snp_req_if.snp_req_ready), // Snoop Forward `IGNORE_WARNINGS_BEGIN .snp_fwd_valid (), .snp_fwd_addr (), `IGNORE_WARNINGS_END .snp_fwd_ready (0) ); VX_cache #( .CACHE_SIZE_BYTES (`ICACHE_SIZE_BYTES), .BANK_LINE_SIZE_BYTES (`IBANK_LINE_SIZE_BYTES), .NUM_BANKS (`INUM_BANKS), .WORD_SIZE_BYTES (`IWORD_SIZE_BYTES), .NUM_REQUESTS (`INUM_REQUESTS), .STAGE_1_CYCLES (`ISTAGE_1_CYCLES), .FUNC_ID (`IFUNC_ID), .REQQ_SIZE (`IREQQ_SIZE), .MRVQ_SIZE (`IMRVQ_SIZE), .DFPQ_SIZE (`IDFPQ_SIZE), .SNRQ_SIZE (`ISNRQ_SIZE), .CWBQ_SIZE (`ICWBQ_SIZE), .DWBQ_SIZE (`IDWBQ_SIZE), .DFQQ_SIZE (`IDFQQ_SIZE), .LLVQ_SIZE (`ILLVQ_SIZE), .FFSQ_SIZE (`IFFSQ_SIZE), .PRFQ_SIZE (`IPRFQ_SIZE), .PRFQ_STRIDE (`IPRFQ_STRIDE), .FILL_INVALIDAOR_SIZE (`IFILL_INVALIDAOR_SIZE), .SIMULATED_DRAM_LATENCY_CYCLES(`ISIMULATED_DRAM_LATENCY_CYCLES) ) gpu_icache ( .clk (clk), .reset (reset), // Core req .core_req_valid (icache_req_if.core_req_valid), .core_req_read (icache_req_if.core_req_read), .core_req_write (icache_req_if.core_req_write), .core_req_addr (icache_req_if.core_req_addr), .core_req_data (icache_req_if.core_req_data), .core_req_rd (icache_req_if.core_req_rd), .core_req_wb (icache_req_if.core_req_wb), .core_req_warp_num (icache_req_if.core_req_warp_num), .core_req_pc (icache_req_if.core_req_pc), // Can submit core Req .core_req_ready (icache_req_if.core_req_ready), // Core Cache Can't WB .core_rsp_ready (icache_rsp_if.core_rsp_ready), // Cache CWB .core_rsp_valid (icache_rsp_if.core_rsp_valid), .core_rsp_read (icache_rsp_if.core_rsp_read), .core_rsp_write (icache_rsp_if.core_rsp_write), .core_rsp_warp_num (icache_rsp_if.core_rsp_warp_num), .core_rsp_data (icache_rsp_if.core_rsp_data), .core_rsp_pc (icache_rsp_if.core_rsp_pc), `IGNORE_WARNINGS_BEGIN .core_rsp_addr (), `IGNORE_WARNINGS_END // DRAM response .dram_rsp_valid (gpu_icache_dram_res_if.dram_rsp_valid), .dram_rsp_addr (gpu_icache_dram_res_if.dram_rsp_addr), .dram_rsp_data (gpu_icache_dram_res_if.dram_rsp_data), // DRAM accept response .dram_rsp_ready (gpu_icache_dram_req_if.dram_rsp_ready), // DRAM Req .dram_req_read (gpu_icache_dram_req_if.dram_req_read), .dram_req_write (gpu_icache_dram_req_if.dram_req_write), .dram_req_addr (gpu_icache_dram_req_if.dram_req_addr), .dram_req_data (gpu_icache_dram_req_if.dram_req_data), .dram_req_ready (gpu_icache_dram_req_if.dram_req_ready), // Snoop Request .snp_req_valid (gpu_icache_snp_req_if.snp_req_valid), .snp_req_addr (gpu_icache_snp_req_if.snp_req_addr), .snp_req_ready (gpu_icache_snp_req_if.snp_req_ready), // Snoop Forward `IGNORE_WARNINGS_BEGIN .snp_fwd_valid (), .snp_fwd_addr (), `IGNORE_WARNINGS_END .snp_fwd_ready (0) ); endmodule