Add ntw sim to ci

.gitlab-ci.yml

@@ -25,3 +25,18 @@ sim:
     - source init_env.sh
     - make sim
 
+ntw_sim:
+  stage: sim
+  needs: []
+  tags:
+    - linux
+  script:
+    - source init_env.sh
+    - cd hw/super6502_fpga/src/sub/network_processor/sim/cocotb
+    - make -j `nproc`
+  artifacts:
+    when: always
+    paths:
+      - hw/super6502_fpga/src/sub/network_processor/sim/cocotb/results.xml
+    reports:
+      junit: hw/super6502_fpga/src/sub/network_processor/sim/cocotb/results.xml