include/PR/os_cache.h

   1
   2 /*====================================================================
   3  * os_cache.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   8  * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,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 Unpublished - rights reserved under the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_cache.h,v $
  26         $Revision: 1.1 $
  27         $Date: 1998/10/09 08:01:04 $
  28  *---------------------------------------------------------------------*/
  29
  30 #ifndef _OS_CACHE_H_
  31 #define _OS_CACHE_H_
  32
  33 #ifdef _LANGUAGE_C_PLUS_PLUS
  34 extern "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
  47
  48 #endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
  49
  50 /**************************************************************************
  51  *
  52  * Global definitions
  53  *
  54  */
  55
  56
  57 #if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
  58
  59 /**************************************************************************
  60  *
  61  * Macro definitions
  62  *
  63  */
  64
  65 #define OS_DCACHE_ROUNDUP_ADDR(x)       (void *)(((((u32)(x)+0xf)/0x10)*0x10))
  66 #define OS_DCACHE_ROUNDUP_SIZE(x)       (u32)(((((u32)(x)+0xf)/0x10)*0x10))
  67
  68
  69 /**************************************************************************
  70  *
  71  * Extern variables
  72  *
  73  */
  74
  75
  76 /**************************************************************************
  77  *
  78  * Function prototypes
  79  *
  80  */
  81
  82 /* Cache operations and macros */
  83
  84 extern void             osInvalDCache(void *, size_t);
  85 extern void             osInvalICache(void *, size_t);
  86 extern void             osWritebackDCache(void *, size_t);
  87 extern void             osWritebackDCacheAll(void);
  88
  89
  90 #endif  /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
  91
  92 #ifdef _LANGUAGE_C_PLUS_PLUS
  93 }
  94 #endif
  95
  96 #endif /* !_OS_CACHE_H_ */