CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR
CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR;
CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR;
spu_int_mask_or(spu, 2, CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR);
CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR);