Improve testing tools

.vscode/tasks.json

@@ -25,6 +25,7 @@
                 "reveal": "always",
                 "focus": false,
                 "panel": "shared",
+                "group": "test",
                 "showReuseMessage": true,
                 "clear": false
             },
@@ -33,13 +34,14 @@
         {
             "label": "dbg",
             "type": "shell",
-            "command": "sleep 1;${workspaceRoot}/dbg",
+            "command": "${workspaceRoot}/dbg",
             "group": "none",
             "presentation": {
                 "echo": true,
                 "reveal": "always",
                 "focus": true,
                 "panel": "shared",
+                "group": "test",
                 "showReuseMessage": true,
                 "clear": false
             }

dbg

@@ -14,4 +14,5 @@ fi
 
 docker-compose -f toolchain/docker-compose.yml run \
     --rm \
+    -e WAITHOST=emul \
     run ${cmd}

toolchain/Dockerfile.run

@@ -4,7 +4,8 @@ RUN apt-get update && \
     apt-get install -y \
     qemu-system-x86 \
     gdb \
-    novnc
+    novnc \
+    netcat
 
 ENV MITTOS64 "true"
 ENV BUILDROOT "/opt"

toolchain/run-entrypoint.sh

@@ -4,4 +4,11 @@ if [[ -n "$WEBSOCK" ]]; then
     websockify --web /usr/share/novnc 6080 localhost:5900 &
 fi
 
+if [[ -n "$WAITHOST" ]]; then
+    until nc -z "${WAITHOST}" "${WAITPORT:-1234}" >/dev/null 2>&1; do
+        >&2 echo "Waiting for ${WAITHOST} ${WAITPORT:-1234}"
+        sleep 1
+    done
+fi
+
 eval "$@"