1/*- 2 * Copyright (c) 2015 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28#ifdef SAN_NEEDS_INTERCEPTORS 29#define SAN_RUNTIME 30#endif 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <x86/bus.h> 35 36#include <vm/vm.h> 37#include <vm/pmap.h> 38 39/* 40 * Implementation of bus_space_map(), which effectively is a thin 41 * wrapper around pmap_mapdev() for memory mapped I/O space. It's 42 * implemented here and not in <x86/bus.h> to avoid pollution. 43 */ 44int 45bus_space_map(bus_space_tag_t tag, bus_addr_t addr, bus_size_t size, 46 int flags __unused, bus_space_handle_t *bshp) 47{ 48 49 *bshp = (tag == X86_BUS_SPACE_MEM) 50 ? (uintptr_t)pmap_mapdev(addr, size) 51 : addr; 52 return (0); 53} 54 55void 56bus_space_unmap(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t size) 57{ 58 59 if (tag == X86_BUS_SPACE_MEM) 60 pmap_unmapdev((void *)bsh, size); 61} 62