arch/m68k-all/kernel/mapglobal.c

   1 #include <aros/kernel.h>
   2 #include <aros/libcall.h>
   3
   4 #include <kernel_base.h>
   5 #include <kernel_intern.h>
   6
   7 #include <proto/kernel.h>
   8
   9 /* See rom/kernel/mapglobal.c for documentation */
  10
  11 AROS_LH4(int, KrnMapGlobal,
  12     AROS_LHA(void *, virtual, A0),
  13     AROS_LHA(void *, physical, A1),
  14     AROS_LHA(uint32_t, length, D0),
  15     AROS_LHA(KRN_MapAttr, flags, D1),
  16     struct KernelBase *, KernelBase, 16, Kernel)
  17 {
  18     AROS_LIBFUNC_INIT
  19
  20     BOOL invalid = (flags & (MAP_Readable | MAP_Writable | MAP_Executable)) == 0;
  21     BOOL readonly = (flags & MAP_Writable) == 0;
  22     BOOL supervisor = (flags & MAP_Supervisor) != 0;
  23     UBYTE cm = (flags & MAP_CacheInhibit) ? CM_SERIALIZED : ((flags & MAP_WriteThrough) ? CM_WRITETHROUGH : CM_COPYBACK);
  24
  25     return map_region(KernelBase, virtual, physical, length, invalid, readonly, supervisor, cm);
  26
  27     AROS_LIBFUNC_EXIT
  28 }