rom/kernel/freepages.c

   1 #include <aros/config.h>
   2
   3 #include <kernel_base.h>
   4 #include <kernel_mm.h>
   5
   6 /*****************************************************************************
   7
   8     NAME */
   9 #include <proto/kernel.h>
  10
  11 AROS_LH2(void, KrnFreePages,
  12
  13 /*  SYNOPSIS */
  14         AROS_LHA(void *, addr, A0),
  15         AROS_LHA(uintptr_t, length, D0),
  16
  17 /*  LOCATION */
  18         struct KernelBase *, KernelBase, 28, Kernel)
  19
  20 /*  FUNCTION
  21
  22     INPUTS
  23
  24     RESULT
  25
  26     NOTES
  27         This function works only on systems with MMU support.
  28
  29     EXAMPLE
  30
  31     BUGS
  32
  33     SEE ALSO
  34
  35     INTERNALS
  36
  37 ******************************************************************************/
  38 {
  39     AROS_LIBFUNC_INIT
  40
  41 #if USE_MMU
  42     /* Drop access rights */
  43     KrnSetProtection(addr, length, 0);
  44     /* Actually free pages */
  45     mm_FreePages(addr, length, KernelBase);
  46 #endif
  47
  48     AROS_LIBFUNC_EXIT
  49 }