use remote build server

.circleci/build-verilator.sh

@@ -5,11 +5,27 @@
 # turn echo on and error on earliest command
 set -ex
 
-cd $HOME/project
+# get shared variables
+SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
+source $SCRIPT_DIR/defaults.sh
 
-cd sims/verisim
+# call clean on exit
+trap clean EXIT
 
-if [ ! -d "$HOME/project/sims/verisim/verilator" ]; then
-    # make verilator
-    make verilator_install
+if [ ! -d "$LOCAL_VERILATOR_DIR" ]; then
+    # set stricthostkeychecking to no (must happen before rsync)
+    run "echo \"Ping $SERVER\""
+
+    clean
+
+    run "mkdir -p $REMOTE_CHIPYARD_DIR"
+    copy $LOCAL_CHIPYARD_DIR/ $SERVER:$REMOTE_CHIPYARD_DIR
+
+    run "make -C $REMOTE_CHIPYARD_DIR/sims/verisim VERILATOR_INSTALL_DIR=$REMOTE_VERILATOR_DIR verilator_install"
+
+    # copy so that circleci can cache
+    mkdir -p $LOCAL_CHIPYARD_DIR
+    mkdir -p $LOCAL_VERILATOR_DIR
+    copy $SERVER:$REMOTE_CHIPYARD_DIR/  $LOCAL_CHIPYARD_DIR
+    copy $SERVER:$REMOTE_VERILATOR_DIR/ $LOCAL_VERILATOR_DIR
 fi