/**
* Install a handle in two static fields for a hardware object
*
* @param o a 'real' instance of the HW object for the class reference
* @param address IO address of the hardware device
* @param idx index of the static fields
* @param cp address of constant pool of the factory class
* @return reference to the HW object
*/
public static Object makeHWObject(Object o, int address, int idx, int cp) {
int ref = Native.toInt(o);
int pcl = Native.rdMem(ref + 1);
int p = Native.rdMem(cp - 1);
p = Native.rdMem(p + 1);
p += idx * 2;
Native.wrMem(address, p);
Native.wrMem(pcl, p + 1);
return Native.toObject(p);
}
