Provides IMPLEMENTATION DEFINED configuration and control options
| DISMCYCINT | Disable dual-issue. |
| DISFOLD | Disable dual-issue. |
| DISOOFP | Disable out-of-order FP instruction completion |
| FPEXCODIS | Disable FPU exception outputs |
| DISITMATBFLUSH | Disable ATB Flush |
| EXTEXCLALL | External Exclusives Allowed with no MPU |