Function generic_bs_map

freebsd/arm/arm/bus_space_generic.c:68–83

bs_protos(generic);

int
generic_bs_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, int flags,
    bus_space_handle_t *bshp)
{
	void *va;

	/*
	 * We don't even examine the passed-in flags.  For ARM, the CACHEABLE
	 * flag doesn't make sense (we create VM_MEMATTR_DEVICE mappings), and
	 * the LINEAR flag is just implied because we use kva_alloc(size).
	 */
	if ((va = pmap_mapdev(bpa, size)) == NULL)
		return (ENOMEM);
	*bshp = (bus_space_handle_t)va;
	return (0);
}

int
generic_bs_alloc(bus_space_tag_t t, bus_addr_t rstart, bus_addr_t rend, bus_size_t size,