wired_map.h revision 1.2.18.2 1 1.2.18.2 yamt /* $NetBSD: wired_map.h,v 1.2.18.2 2006/06/21 14:49:07 yamt Exp $ */
2 1.2.18.2 yamt
3 1.2.18.2 yamt /*-
4 1.2.18.2 yamt * Copyright (C) 2000 Shuichiro URATA. All rights reserved.
5 1.2.18.2 yamt *
6 1.2.18.2 yamt * Redistribution and use in source and binary forms, with or without
7 1.2.18.2 yamt * modification, are permitted provided that the following conditions
8 1.2.18.2 yamt * are met:
9 1.2.18.2 yamt * 1. Redistributions of source code must retain the above copyright
10 1.2.18.2 yamt * notice, this list of conditions and the following disclaimer.
11 1.2.18.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
12 1.2.18.2 yamt * notice, this list of conditions and the following disclaimer in the
13 1.2.18.2 yamt * documentation and/or other materials provided with the distribution.
14 1.2.18.2 yamt * 3. The name of the author may not be used to endorse or promote products
15 1.2.18.2 yamt * derived from this software without specific prior written permission.
16 1.2.18.2 yamt *
17 1.2.18.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 1.2.18.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 1.2.18.2 yamt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 1.2.18.2 yamt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 1.2.18.2 yamt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 1.2.18.2 yamt * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 1.2.18.2 yamt * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 1.2.18.2 yamt * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 1.2.18.2 yamt * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 1.2.18.2 yamt * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 1.2.18.2 yamt */
28 1.2.18.2 yamt
29 1.2.18.2 yamt #define MIPS3_NWIRED_ENTRY 8
30 1.2.18.2 yamt #define MIPS3_WIRED_SIZE MIPS3_PG_SIZE_MASK_TO_SIZE(MIPS3_PG_SIZE_16M)
31 1.2.18.2 yamt
32 1.2.18.2 yamt #ifndef ARC_THRESHOLD_TO_USE_WIRED_TLB /* tunable */
33 1.2.18.2 yamt #define ARC_THRESHOLD_TO_USE_WIRED_TLB (256 * 1024)
34 1.2.18.2 yamt #endif
35 1.2.18.2 yamt
36 1.2.18.2 yamt #include <mips/wired_map.h>
37 1.2.18.2 yamt
38 1.2.18.2 yamt void arc_init_wired_map(void);
39 1.2.18.2 yamt void arc_wired_enter_page(vaddr_t, paddr_t, vsize_t);
40 1.2.18.2 yamt vaddr_t arc_contiguously_wired_mapped(paddr_t, vsize_t);
41 1.2.18.2 yamt vaddr_t arc_map_wired(paddr_t, vsize_t);
42 1.2.18.2 yamt boolean_t arc_wired_map_extract(vaddr_t, paddr_t *);
43