arch/m68k-mac/exec/cache.c

   1 /*
   2     Copyright © 1995-2013, 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 #include <proto/exec.h>
  18 #include <exec/execbase.h>
  19
  20 /* See rom/exec/cacheclear*.c for documentation */
  21
  22 AROS_LH3(void, CacheClearE,
  23     AROS_LHA(APTR,  address, A0),
  24     AROS_LHA(ULONG, length,  D0),
  25     AROS_LHA(ULONG, caches,  D1),
  26     struct ExecBase *, SysBase, 107, Exec)
  27 {
  28     AROS_LIBFUNC_INIT
  29 #if 0
  30     ULONG scope, cpucache = 0;
  31
  32     if (caches & CACRF_ClearD)
  33         cpucache |= FLUSH_CACHE_DATA;
  34
  35     if (caches & CACRF_ClearI)
  36         cpucache |= FLUSH_CACHE_INSN;
  37
  38     if (length == (ULONG)-1)
  39         scope = FLUSH_SCOPE_ALL;
  40     else
  41         scope = FLUSH_SCOPE_LINE;
  42
  43     (void) cacheflush((unsigned long)address, scope, cpucache, length);
  44 #endif
  45     AROS_LIBFUNC_EXIT
  46 } /* CacheClearE */
  47
  48
  49 AROS_LH0(void, CacheClearU,
  50     struct ExecBase *, SysBase, 106, Exec)
  51 {
  52     AROS_LIBFUNC_INIT
  53 #if 0
  54         (void) cacheflush(0, FLUSH_SCOPE_ALL, FLUSH_CACHE_BOTH, 0);
  55 #endif
  56     AROS_LIBFUNC_EXIT
  57 } /* CacheClearU */
  58