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os_tlb.h
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1
2/*====================================================================
3 * os_tlb.h
4 *
5 * Copyright 1995, Silicon Graphics, Inc.
6 * All Rights Reserved.
7 *
8 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
9 * Inc.; the contents of this file may not be disclosed to third
10 * parties, copied or duplicated in any form, in whole or in part,
11 * without the prior written permission of Silicon Graphics, Inc.
12 *
13 * RESTRICTED RIGHTS LEGEND:
14 * Use, duplication or disclosure by the Government is subject to
15 * restrictions as set forth in subdivision (c)(1)(ii) of the Rights
16 * in Technical Data and Computer Software clause at DFARS
17 * 252.227-7013, and/or in similar or successor clauses in the FAR,
18 * DOD or NASA FAR Supplement. Unpublished - rights reserved under the
19 * Copyright Laws of the United States.
20 *====================================================================*/
21
22/*---------------------------------------------------------------------*
23 Copyright (C) 1998 Nintendo. (Originated by SGI)
24
25 $RCSfile: os_tlb.h,v $
26 $Revision: 1.1 $
27 $Date: 1998/10/09 08:01:20 $
28 *---------------------------------------------------------------------*/
29
30#ifndef _OS_TLB_H_
31#define _OS_TLB_H_
32
33#ifdef _LANGUAGE_C_PLUS_PLUS
34extern "C" {
35#endif
36
37#include <PR/ultratypes.h>
38
39#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
40
41/**************************************************************************
42 *
43 * Type definitions
44 *
45 */
46
47typedef u32 OSPageMask;
48
49
50#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
51
52/**************************************************************************
53 *
54 * Global definitions
55 *
56 */
57
58/*
59 * Page size argument for TLB routines
60 */
61#define OS_PM_4K 0x0000000
62#define OS_PM_16K 0x0006000
63#define OS_PM_64K 0x001e000
64#define OS_PM_256K 0x007e000
65#define OS_PM_1M 0x01fe000
66#define OS_PM_4M 0x07fe000
67#define OS_PM_16M 0x1ffe000
68
69
70#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
71
72/**************************************************************************
73 *
74 * Macro definitions
75 *
76 */
77
78
79/**************************************************************************
80 *
81 * Extern variables
82 *
83 */
84
85
86/**************************************************************************
87 *
88 * Function prototypes
89 *
90 */
91
92/* TLB management routines */
93
94extern void osMapTLB(s32, OSPageMask, void *, u32, u32, s32);
95extern void osMapTLBRdb(void);
96extern void osUnmapTLB(s32);
97extern void osUnmapTLBAll(void);
98extern void osSetTLBASID(s32);
99
100
101#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
102
103#ifdef _LANGUAGE_C_PLUS_PLUS
104}
105#endif
106
107#endif /* !_OS_TLB_H_ */
s32
signed int s32
Definition ultratypes.h:15
u32
unsigned int u32
Definition ultratypes.h:16