[CFG] Adding 32-bit double bw configuration -- not working!

Author: dcammarata01

hw/system/spatz_cluster/cfg/spatz_cluster.32bdoublebw.dram.hjson

@@ -0,0 +1,101 @@
+// Copyright 2020 ETH Zurich and University of Bologna.
+// Licensed under the Apache License, Version 2.0, see LICENSE for details.
+// SPDX-License-Identifier: Apache-2.0
+
+// Cluster configuration for a simple system.
+{
+    "cluster": {
+        "mempool": 0,
+        "boot_addr": 4096,            // 0x1000
+        "cluster_base_addr": 1048576, // 0x100000
+        "cluster_base_offset": 0,     // 0x0
+        "cluster_base_hartid": 0,
+        "addr_width": 32,
+        "data_width": 32,
+        "id_width_in": 2,
+        "id_width_out": 4,
+        "user_width": 2,
+        "cluster_default_axi_user": 1,
+        "axi_cdc_enable": false,
+        "tcdm": {
+            "size": 128,
+            "banks": 16,
+            "misalign": true
+        },
+        "cluster_periph_size": 64, // kB
+        "dma_data_width": 256,
+        "dma_axi_req_fifo_depth": 3,
+        "dma_req_fifo_depth": 3,
+        // Spatz parameters
+        "vlen": 512,
+        "n_fpu": 4,
+        "n_ipu": 1,
+        "spatz_fpu": true,
+        "spatz_nports": 8,
+        "double_bw": 1,
+        "buf_fpu": 1,
+        // Timing parameters
+        "timing": {
+            "lat_comp_fp32": 1,
+            "lat_comp_fp64": 2,
+            "lat_comp_fp16": 0,
+            "lat_comp_fp16_alt": 0,
+            "lat_comp_fp8": 0,
+            "lat_comp_fp8_alt": 0,
+            "lat_noncomp": 1,
+            "lat_conv": 2,
+            "lat_sdotp": 2,
+            "fpu_pipe_config": "BEFORE",
+            "xbar_latency": "CUT_ALL_PORTS",
+
+            "register_core_req": true,
+            "register_core_rsp": true,
+            "register_offload_rsp": true
+        },
+        "cores": [
+            // DMA core
+            {
+                "isa": "rv32imaf",
+                "xdma": true,
+                "xf16": true,
+                "xf8": true,
+                "xfdotp": true,
+                "num_int_outstanding_loads": 1,
+                "num_int_outstanding_mem": 4,
+                "num_spatz_outstanding_loads": 4,
+                "num_dtlb_entries": 1,
+                "num_itlb_entries": 1
+            },
+
+            // Compute core
+            {
+                "isa": "rv32imaf",
+                "xf16": true,
+                "xf8": true,
+                "xfdotp": true,
+                "xdma": false,
+                "num_int_outstanding_loads": 1,
+                "num_int_outstanding_mem": 4,
+                "num_spatz_outstanding_loads": 4,
+                "num_dtlb_entries": 1,
+                "num_itlb_entries": 1
+            }
+        ],
+        "icache": {
+            "size": 4, // total instruction cache size in kByte
+            "ways": 2, // number of ways
+            "cacheline": 256 // word size in bits
+        }
+    },
+
+    "dram": {
+        // 0x8000_0000
+        "address": 2147483648,
+        // 0x8000_0000
+        "length": 2147483648
+    },
+
+    "peripherals": {
+
+    }
+}

sw/snRuntime/CMakeLists.txt

@@ -25,7 +25,7 @@ endif()
 add_compile_options(-O3 -g -ffunction-sections)
 
 # Platform sources
-if(SPATZ_CLUSTER_CFG MATCHES "^(spatz_cluster\.(default|mempool|smallvrf|32b|doublebw)\.dram)\.hjson$")
+if(SPATZ_CLUSTER_CFG MATCHES "^(spatz_cluster\.(default|mempool|smallvrf|32b|doublebw|32bdoublebw)\.dram)\.hjson$")
   set(_plat_folder "standalone")
 elseif("${SPATZ_CLUSTER_CFG}" MATCHES "^spatz_cluster.carfield\\.(l2|dram)\\.hjson$")
   set(_plat_folder "cheshire")
@@ -68,6 +68,8 @@ set(MEM_SPATZ_CLUSTER_MEMPOOL_DRAM_HJSON_ORIGIN  0x80000000)
 set(MEM_SPATZ_CLUSTER_MEMPOOL_DRAM_HJSON_SIZE    0x80000000)
 set(MEM_SPATZ_CLUSTER_32B_DRAM_HJSON_ORIGIN      0x80000000)
 set(MEM_SPATZ_CLUSTER_32B_DRAM_HJSON_SIZE        0x80000000)
+set(MEM_SPATZ_CLUSTER_32BDOUBLEBW_DRAM_HJSON_ORIGIN      0x80000000)
+set(MEM_SPATZ_CLUSTER_32BDOUBLEBW_DRAM_HJSON_SIZE        0x80000000)
 
 # sanitize lookup key (replace dots with underscores, upper-case)
 string(REPLACE "." "_" _key "${SPATZ_CLUSTER_CFG}")