arch/m68k-all/exec/cachecontrol.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: CacheControl() - Global control of the system caches.
   6     Lang: english
   7 */
   8
   9 #include <exec/types.h>
  10 #include <exec/execbase.h>
  11 #include <aros/libcall.h>
  12
  13 /* See rom/exec/cachecontrol.c for documentation */
  14
  15 extern void AROS_SLIB_ENTRY(CacheControl_00,Exec,108)(void);
  16 extern void AROS_SLIB_ENTRY(CacheControl_20,Exec,108)(void);
  17 extern void AROS_SLIB_ENTRY(CacheControl_40,Exec,108)(void);
  18
  19 #include <proto/exec.h>
  20
  21 AROS_LH2(ULONG, CacheControl,
  22     AROS_LHA(ULONG, cacheBits, D0),
  23     AROS_LHA(ULONG, cacheMask, D1),
  24     struct ExecBase *, SysBase, 108, Exec)
  25 {
  26     AROS_LIBFUNC_INIT
  27     void (*func)(void);
  28
  29     Disable();
  30     if (SysBase->AttnFlags & AFF_68040) {
  31         /* 68040/68060 support */
  32         func = AROS_SLIB_ENTRY(CacheControl_40, Exec, 108);
  33     } else if (SysBase->AttnFlags & AFF_68020) {
  34         /* 68020/68030 support */
  35         func = AROS_SLIB_ENTRY(CacheControl_20, Exec, 108);
  36     } else {
  37         /* Everybody else (68000, 68010) */
  38         func = AROS_SLIB_ENTRY(CacheControl_00, Exec, 108);
  39     }
  40     SetFunction((struct Library *)SysBase, -LIB_VECTSIZE * 108, func);
  41     Enable();
  42
  43     return CacheControl(cacheBits, cacheMask);
  44
  45     AROS_LIBFUNC_EXIT
  46 } /* CacheControl */