xref: /openbsd/sys/arch/mips64/include/memconf.h (revision 8932bfb7)
1 /*	$OpenBSD: memconf.h,v 1.7 2011/05/30 22:25:21 oga Exp $	*/
2 
3 /*
4  * Copyright (c) 1996 Per Fogelstrom
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * Memory config list used by pmap_bootstrap.
30  */
31 
32 #ifndef _MIPS64_MEMCONF_H_
33 #define _MIPS64_MEMCONF_H_
34 
35 struct phys_mem_desc {
36 	uint64_t	mem_first_page;
37 	uint64_t	mem_last_page;
38 };
39 
40 #ifdef _KERNEL
41 #ifndef	MAXMEMSEGS
42 #define	MAXMEMSEGS	16
43 #endif
44 extern struct phys_mem_desc mem_layout[];
45 int	memrange_register(uint64_t, uint64_t, uint64_t);
46 #endif
47 
48 #endif /* !_MIPS64_MEMCONF_H_ */
49