1/*
2 * Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de>
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without restriction,
7 * including without limitation the rights to use, copy, modify,
8 * merge, publish, distribute, sublicense, and/or sell copies of
9 * the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
17 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef __UTIL_H
26#define __UTIL_H
27
28#include <OS.h>
29
30area_id	map_mem(void **virt, phys_addr_t phy, size_t size, uint32 protection,
31	const char *name);
32area_id alloc_mem(void **virt, phys_addr_t *phy, size_t size, uint32 protection,
33	const char *name);
34
35// generic macro for rounding, can only be used for power of 2 blocksize
36#define ROUNDUP(size, blocksize) 	(((size) + (blocksize) - 1) & ~((blocksize) - 1))
37
38#define atomic_read(a) atomic_or(a, 0)
39
40#endif
41