lib/syslib/sys_mapdma.c

   1 #include "syslib.h"
   2
   3 /*===========================================================================*
   4  *                                sys_mapdma                                 *
   5  *===========================================================================*/
   6 PUBLIC int sys_mapdma(vir_addr, bytes)
   7 vir_bytes vir_addr;                     /* address in bytes with segment*/
   8 vir_bytes bytes;                        /* number of bytes to be copied */
   9 {
  10     message m;
  11     int result;
  12
  13     m.CP_SRC_ADDR = vir_addr;
  14     m.CP_NR_BYTES = bytes;
  15
  16     result = _taskcall(SYSTASK, SYS_MAPDMA, &m);
  17     return(result);
  18 }
  19