Manual Reference Pages - PMAP_MAP (9)
- map a physical memory range into kernel virtual address (KVA) space
vm_offset_t *virt vm_paddr_t start vm_paddr_t end int prot
function maps a range of physical addresses into kernel virtual address (KVA)
with protection bits
The value passed in
is treated as a hint for the virtual address of the beginning of the mapping.
argument is currently ignored by machine-dependent implementations.
Architectures which can support a direct mapped physical to virtual
region can return the appropriate address within that region, leaving
function returns the virtual address of the beginning of the mapping, if
the mapping was successfully made;
will also be updated with the first usable address after the mapped region.
If the function is unsuccessful,
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