37a38,45
> *
> * Note that these functions are not embedded in the ISA description
> * because they operate on the *physical* address rather than the
> * virtual address. In the current M5 design, the physical address is
> * not accessible from the ISA description, only from the CPU model.
> * Thus the CPU is responsible for calling back to the ISA (here)
> * after the address translation has been performed to allow the ISA
> * to do these manipulations based on the physical address.