arch/.unmaintained/m68k-native/exec/cachecleare.s

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 /*****************************************************************************
   7
   8     NAME
   9
  10         AROS_LH3(void, CacheClearE,
  11
  12     SYNOPSIS
  13         AROS_LHA(APTR,  address, A0),
  14         AROS_LHA(ULONG, length,  D0),
  15         AROS_LHA(ULONG, caches,  D1),
  16
  17     LOCATION
  18         struct ExecBase *, SysBase, 107, Exec)
  19
  20     FUNCTION
  21         Flushes the contents of the CPU chaches for a given area of memory
  22         and a given cache.
  23
  24     INPUTS
  25         address - First byte in memory
  26         length  - number of bytes (~0 means all addresses).
  27         caches  - CPU caches affected
  28                     CACRF_ClearI - Instruction cache
  29                     CACRF_ClearD - Data cache
  30
  31     RESULT
  32
  33     NOTES
  34
  35     EXAMPLE
  36
  37     BUGS
  38
  39     SEE ALSO
  40
  41     INTERNALS
  42
  43     HISTORY
  44
  45 ******************************************************************************/
  46
  47         #include "machine.i"
  48
  49         .text
  50         .balign 4
  51         .globl  AROS_SLIB_ENTRY(CacheClearE,Exec)
  52         .type   AROS_SLIB_ENTRY(CacheClearE,Exec),@function
  53 AROS_SLIB_ENTRY(CacheClearE,Exec):
  54         /* Simple 68000s have no caches */
  55         rts
  56