lib/libsys/vm_umap.c

   1
   2 #include "syslib.h"
   3
   4 #include <minix/vm.h>
   5
   6 /*===========================================================================*
   7  *                                vm_umap                                    *
   8  *===========================================================================*/
   9 int vm_umap(int seg, vir_bytes offset, vir_bytes len, phys_bytes *addr)
  10 {
  11     message m;
  12     int result;
  13
  14     m.VMU_SEG = seg;
  15     m.VMU_OFFSET = (char *) offset;
  16     m.VMU_LENGTH = (char *) len;
  17     result = _taskcall(VM_PROC_NR, VM_UMAP, &m);
  18     *addr = (phys_bytes) m.VMU_RETADDR;
  19
  20     return result;
  21 }
  22