Add tests for symmetric rocket chiplet config

.github/scripts/defaults.sh

@@ -29,7 +29,7 @@ REMOTE_COURSIER_CACHE=$REMOTE_WORK_DIR/.coursier-cache
 # key value store to get the build groups
 declare -A grouping
 grouping["group-cores"]="chipyard-cva6 chipyard-ibex chipyard-rocket chipyard-hetero chipyard-boom chipyard-sodor chipyard-digitaltop chipyard-multiclock-rocket chipyard-nomem-scratchpad chipyard-spike chipyard-clone chipyard-prefetchers chipyard-shuttle"
-grouping["group-peripherals"]="chipyard-dmirocket chipyard-dmiboom chipyard-spiflashwrite chipyard-mmios chipyard-nocores chipyard-manyperipherals chipyard-chiplike chipyard-tethered"
+grouping["group-peripherals"]="chipyard-dmirocket chipyard-dmiboom chipyard-spiflashwrite chipyard-mmios chipyard-nocores chipyard-manyperipherals chipyard-chiplike chipyard-tethered chipyard-symmetric"
 grouping["group-accels"]="chipyard-mempress chipyard-sha3 chipyard-hwacha chipyard-gemmini chipyard-manymmioaccels chipyard-nvdla chipyard-aes256ecb"
 grouping["group-constellation"]="chipyard-constellation"
 grouping["group-tracegen"]="tracegen tracegen-boom"
@@ -58,6 +58,7 @@ mapping["chipyard-spiflashwrite"]=" CONFIG=SmallSPIFlashRocketConfig EXTRA_SIM_F
 mapping["chipyard-manyperipherals"]=" CONFIG=ManyPeripheralsRocketConfig EXTRA_SIM_FLAGS='+spiflash0=${LOCAL_CHIPYARD_DIR}/tests/spiflash.img'"
 mapping["chipyard-chiplike"]=" CONFIG=ChipLikeRocketConfig MODEL=FlatTestHarness MODEL_PACKAGE=chipyard.example verilog"
 mapping["chipyard-tethered"]=" CONFIG=VerilatorCITetheredChipLikeRocketConfig"
+mapping["chipyard-symmetric"]=" CONFIG=MultiSimSymmetricChipletRocketConfig"
 mapping["chipyard-cloneboom"]=" CONFIG=Cloned64MegaBoomConfig verilog"
 mapping["chipyard-nocores"]=" CONFIG=NoCoresConfig verilog"
 mapping["tracegen"]=" CONFIG=NonBlockingTraceGenL2Config"

.github/scripts/run-tests.sh

@@ -118,6 +118,10 @@ case $1 in
         make -C $LOCAL_CHIPYARD_DIR/tests
         run_binary BINARY=$LOCAL_CHIPYARD_DIR/tests/hello.riscv LOADMEM=1 EXTRA_SIM_FLAGS="+cflush_addr=0x2010200"
         ;;
+    chipyard-symmetric)
+        make -C $LOCAL_CHIPYARD_DIR/tests
+        run_binary BINARY=$LOCAL_CHIPYARD_DIR/tests/symmetric.riscv LOADMEM=1
+        ;;
     tracegen)
         run_tracegen
         ;;

.github/workflows/chipyard-run-tests.yml

@@ -708,6 +708,29 @@ jobs:
           group-key: "group-peripherals"
           project-key: "chipyard-tethered"
 
+  chipyard-symmetric-run-tests:
+    name: chipyard-symmetric-run-tests
+    needs: prepare-chipyard-peripherals
+    runs-on: as4
+    steps:
+      - name: Delete old checkout
+        run: |
+            ls -alh .
+            rm -rf ${{ github.workspace }}/* || true
+            rm -rf ${{ github.workspace }}/.* || true
+            ls -alh .
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Git workaround
+        uses: ./.github/actions/git-workaround
+      - name: Create conda env
+        uses: ./.github/actions/create-conda-env
+      - name: Run tests
+        uses: ./.github/actions/run-tests
+        with:
+          group-key: "group-peripherals"
+          project-key: "chipyard-symmetric"
+
   chipyard-sha3-run-tests:
     name: chipyard-sha3-run-tests
     needs: prepare-chipyard-accels
@@ -1071,6 +1094,7 @@ jobs:
             chipyard-spiflashwrite-run-tests,
             chipyard-manyperipherals-run-tests,
             chipyard-tethered-run-tests,
+            chipyard-symmetric-run-tests,
             chipyard-sha3-run-tests,
             chipyard-gemmini-run-tests,
             chipyard-manymmioaccels-run-tests, # chipyard-nvdla-run-tests,

tests/Makefile

@@ -29,7 +29,7 @@ include libgloss.mk
 
 PROGRAMS = pwm blkdev accum charcount nic-loopback big-blkdev pingd \
            streaming-passthrough streaming-fir nvdla spiflashread spiflashwrite fft gcd \
-           hello mt-hello
+           hello mt-hello symmetric
 
 
 .DEFAULT_GOAL := default

tests/symmetric.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <string.h>
+#include <riscv-pk/encoding.h>
+#include "marchid.h"
+
+#define OBUS_OFFSET (0x1L << 32)
+
+char src[] = "This is a test string. It will be written into the off-chip memory address, then copied back.";
+char dest[4096];
+char test[4096];
+
+int main(void) {
+  size_t write_start = rdcycle();
+  memcpy(dest + OBUS_OFFSET, src, sizeof(src));
+  size_t write_end = rdcycle();
+
+  printf("Wrote %ld bytes in %ld cycles\n", sizeof(src), write_end - write_start);
+
+  size_t read_start = rdcycle();
+  memcpy(test, dest + OBUS_OFFSET, sizeof(src));
+  size_t read_end = rdcycle();
+
+  if (memcmp(src, test, sizeof(src))) {
+    printf("Remote write/read failed\n");
+    exit(1);
+  }
+  printf("Read %ld bytes in %ld cycles\n", sizeof(src), read_end - read_start);
+
+  return 0;
+}