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 /*****************************************************************************
   8
   9     NAME */
  10 #include <proto/kernel.h>
  11
  12 AROS_LH4(int, KrnMapGlobal,
  13
  14 /*  SYNOPSIS */
  15         AROS_LHA(void *, virtual, A0),
  16         AROS_LHA(void *, physical, A1),
  17         AROS_LHA(uint32_t, length, D0),
  18         AROS_LHA(KRN_MapAttr, flags, D1),
  19
  20 /*  LOCATION */
  21         struct KernelBase *, KernelBase, 16, Kernel)
  22
  23 /*  FUNCTION
  24
  25     INPUTS
  26
  27     RESULT
  28
  29     NOTES
  30
  31     EXAMPLE
  32
  33     BUGS
  34
  35     SEE ALSO
  36
  37     INTERNALS
  38
  39 ******************************************************************************/
  40 {
  41     AROS_LIBFUNC_INIT
  42
  43     BOOL invalid = (flags & (MAP_Readable | MAP_Writable | MAP_Executable)) == 0;
  44     BOOL readonly = (flags & MAP_Writable) == 0;
  45     BOOL supervisor = (flags & MAP_Supervisor) != 0;
  46     UBYTE cm = (flags & MAP_CacheInhibit) ? CM_SERIALIZED : ((flags & MAP_WriteThrough) ? CM_WRITETHROUGH : CM_COPYBACK);
  47
  48     return map_region(KernelBase, virtual, physical, length, invalid, readonly, supervisor, cm);
  49
  50     AROS_LIBFUNC_EXIT
  51 }