mmu_oea64.h revision 216174 
1234285Sdim/*-
2234285Sdim * Copyright (C) 2010 Nathan Whitehorn
3234285Sdim * All rights reserved.
4234285Sdim *
5234285Sdim * Redistribution and use in source and binary forms, with or without
6234285Sdim * modification, are permitted provided that the following conditions
7234285Sdim * are met:
8234285Sdim * 1. Redistributions of source code must retain the above copyright
9234285Sdim *    notice, this list of conditions and the following disclaimer.
10234285Sdim * 2. Redistributions in binary form must reproduce the above copyright
11234285Sdim *    notice, this list of conditions and the following disclaimer in the
12234285Sdim *    documentation and/or other materials provided with the distribution.
13234285Sdim *
14234285Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/powerpc/aim/mmu_oea64.h 216174 2010-12-04 02:42:52Z nwhitehorn $
26 */
27
28#ifndef _POWERPC_AIM_MMU_OEA64_H
29#define _POWERPC_AIM_MMU_OEA64_H
30
31#include <machine/mmuvar.h>
32
33extern mmu_def_t oea64_mmu;
34
35/*
36 * Helper routines
37 */
38
39/* Allocate physical memory for use in moea64_bootstrap. */
40vm_offset_t	moea64_bootstrap_alloc(vm_size_t, u_int);
41
42/*
43 * Bootstrap subroutines
44 *
45 * An MMU_BOOTSTRAP() implementation looks like this:
46 *   moea64_early_bootstrap();
47 *   Allocate Page Table
48 *   moea64_mid_bootstrap();
49 *   Add mappings for MMU resources
50 *   moea64_late_bootstrap();
51 */
52
53void		moea64_early_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
54		    vm_offset_t kernelend);
55void		moea64_mid_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
56		    vm_offset_t kernelend);
57void		moea64_late_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
58		    vm_offset_t kernelend);
59
60/*
61 * Statistics
62 */
63
64extern u_int	moea64_pte_valid;
65extern u_int	moea64_pte_overflow;
66
67/*
68 * State variables
69 */
70
71extern struct pvo_head *moea64_pvo_table;
72extern int		moea64_large_page_shift;
73extern u_int		moea64_pteg_count;
74extern u_int		moea64_pteg_mask;
75
76#endif /* _POWERPC_AIM_MMU_OEA64_H */
77
78