Function bus_space_map

freebsd/x86/x86/bus_machdep.c:44–53

* Implementation of bus_space_map(), which effectively is a thin * wrapper around pmap_mapdev() for memory mapped I/O space. It's * implemented here and not in to avoid pollution. */

 * implemented here and not in <x86/bus.h> to avoid pollution.
 */
int
bus_space_map(bus_space_tag_t tag, bus_addr_t addr, bus_size_t size,
    int flags __unused, bus_space_handle_t *bshp)
{

	*bshp = (tag == X86_BUS_SPACE_MEM)
	    ? (uintptr_t)pmap_mapdev(addr, size)
	    : addr;
	return (0);
}

void
bus_space_unmap(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t size)