arch/m68k-mac/exec/cache.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Flush Caches
   6     Lang: english
   7 */
   8
   9 #include <errno.h>
  10 #if 0
  11         #include <asm/cachectl.h>
  12         /* GNU libc 2 has this included in <sys/syscall.h>, but libc5 doesn't :-( */
  13         #include <asm/unistd.h>
  14         static inline _syscall4(int,cacheflush,unsigned long,addr,int,scope,int,cache,unsigned long,len)
  15 #endif
  16
  17 /******************************************************************************
  18
  19     NAME */
  20 #include <proto/exec.h>
  21 #include <exec/execbase.h>
  22
  23         AROS_LH3(void, CacheClearE,
  24
  25 /*  SYNOPSIS */
  26         AROS_LHA(APTR,  address, A0),
  27         AROS_LHA(ULONG, length,  D0),
  28         AROS_LHA(ULONG, caches,  D1),
  29
  30 /*  LOCATION */
  31         struct ExecBase *, SysBase, 107, Exec)
  32
  33 /*  FUNCTION
  34
  35     INPUTS
  36
  37     RESULT
  38
  39     NOTES
  40
  41     EXAMPLE
  42
  43     BUGS
  44
  45     SEE ALSO
  46
  47     INTERNALS
  48
  49     HISTORY
  50
  51 ******************************************************************************/
  52 {
  53         AROS_LIBFUNC_INIT
  54 #if 0
  55     ULONG scope, cpucache = 0;
  56
  57     if (caches & CACRF_ClearD)
  58         cpucache |= FLUSH_CACHE_DATA;
  59
  60     if (caches & CACRF_ClearI)
  61         cpucache |= FLUSH_CACHE_INSN;
  62
  63     if (length == (ULONG)-1)
  64         scope = FLUSH_SCOPE_ALL;
  65     else
  66         scope = FLUSH_SCOPE_LINE;
  67
  68     (void) cacheflush((unsigned long)address, scope, cpucache, length);
  69 #endif
  70     AROS_LIBFUNC_EXIT
  71 } /* CacheClearE */
  72
  73 /******************************************************************************
  74
  75     NAME */
  76 #include <proto/exec.h>
  77
  78         AROS_LH0(void, CacheClearU,
  79
  80 /*  LOCATION */
  81         struct ExecBase *, SysBase, 106, Exec)
  82
  83 /*  FUNCTION
  84
  85     INPUTS
  86
  87     RESULT
  88
  89     NOTES
  90
  91     EXAMPLE
  92
  93     BUGS
  94
  95     SEE ALSO
  96
  97     INTERNALS
  98
  99     HISTORY
 100
 101 ******************************************************************************/
 102 {
 103     AROS_LIBFUNC_INIT
 104 #if 0
 105         (void) cacheflush(0, FLUSH_SCOPE_ALL, FLUSH_CACHE_BOTH, 0);
 106 #endif
 107     AROS_LIBFUNC_EXIT
 108 } /* CacheClearU */
 109