arch/all-unix/kernel/setprotection.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/kernel.h>
   7 #include <aros/libcall.h>
   8
   9 #include <kernel_base.h>
  10 #include <kernel_intern.h>
  11
  12 #include <sys/mman.h>
  13 #include <inttypes.h>
  14
  15 AROS_LH3I(void, KrnSetProtection,
  16          AROS_LHA(void *, address, A0),
  17          AROS_LHA(uint32_t, length, D0),
  18          AROS_LHA(KRN_MapAttr, flags, D1),
  19          struct KernelBase *, KernelBase, 21, Kernel)
  20 {
  21     AROS_LIBFUNC_INIT
  22
  23     int flags_unix = 0;
  24
  25     if (flags & MAP_Readable)
  26         flags_unix |= PROT_READ;
  27     if (flags & MAP_Writable)
  28         flags_unix |= PROT_WRITE;
  29     if (flags & MAP_Executable)
  30         flags_unix |= PROT_EXEC;
  31
  32     KernelBase->kb_PlatformData->iface->mprotect(address, length, flags_unix);
  33     AROS_HOST_BARRIER
  34
  35     AROS_LIBFUNC_EXIT
  36 }