This section contains auxiliary OS support routines that can be used by a CDM or HAM. These routines are not front-ended by NWPA, so their interfaces are subject to change as the OS changes.
Generally, these OS support routines provide APIs that facilitate initialization of memory blocks, movement of memory blocks, and mapping of logical addresses to absolute addresses (and vice versa) for initializing DMA channels. These routines also include APIs essential to making BIOS calls on EISA buses.