arch/ppc-sam440/kernel/virtualtophysical.c

   1 #include <aros/kernel.h>
   2 #include <aros/libcall.h>
   3
   4 #include <kernel_base.h>
   5
   6 #include <proto/kernel.h>
   7
   8 /* See rom/kernel/virtualtophysical.c for documentation */
   9
  10 AROS_LH1I(void *, KrnVirtualToPhysical,
  11     AROS_LHA(void *, virtual, A0),
  12     struct KernelBase *, KernelBase, 20, Kernel)
  13 {
  14         AROS_LIBFUNC_INIT
  15
  16         uintptr_t virt = (uintptr_t)virtual;
  17         uintptr_t phys = virt;
  18
  19         if (virt >= 0xff000000)
  20                 phys = virt - 0xff000000;
  21
  22         return (void*)phys;
  23
  24         AROS_LIBFUNC_EXIT
  25 }