[hal] Add SystemCore to Java runtime type (#7932)

Author: ThadHouse

hal/src/main/java/edu/wpi/first/hal/HALUtil.java

@@ -43,6 +43,9 @@ public final class HALUtil extends JNIWrapper {
   /** Simulation runtime. */
   public static final int RUNTIME_SIMULATION = 2;
 
+  /** SystemCore. */
+  public static final int RUNTIME_SYSTEMCORE = 3;
+
   /**
    * Returns the FPGA Version number.
    *

hal/src/main/native/cpp/jni/HALUtil.cpp

@@ -35,6 +35,8 @@ static_assert(edu_wpi_first_hal_HALUtil_RUNTIME_ROBORIO2 ==
               HAL_Runtime_RoboRIO2);
 static_assert(edu_wpi_first_hal_HALUtil_RUNTIME_SIMULATION ==
               HAL_Runtime_Simulation);
+static_assert(edu_wpi_first_hal_HALUtil_RUNTIME_SYSTEMCORE ==
+              HAL_Runtime_SystemCore);
 
 static JavaVM* jvm = nullptr;
 static JException illegalArgExCls;

wpilibj/src/main/java/edu/wpi/first/wpilibj/RuntimeType.java

@@ -13,7 +13,9 @@ public enum RuntimeType {
   /** roboRIO 2.0. */
   kRoboRIO2(HALUtil.RUNTIME_ROBORIO2),
   /** Simulation runtime. */
-  kSimulation(HALUtil.RUNTIME_SIMULATION);
+  kSimulation(HALUtil.RUNTIME_SIMULATION),
+  /** SystemCore. */
+  kSystemCore(HALUtil.RUNTIME_SYSTEMCORE);
 
   /** RuntimeType value. */
   public final int value;
@@ -32,6 +34,7 @@ public static RuntimeType getValue(int type) {
     return switch (type) {
       case HALUtil.RUNTIME_ROBORIO -> RuntimeType.kRoboRIO;
       case HALUtil.RUNTIME_ROBORIO2 -> RuntimeType.kRoboRIO2;
+      case HALUtil.RUNTIME_SYSTEMCORE -> RuntimeType.kSystemCore;
       default -> RuntimeType.kSimulation;
     };
   }