kernel/system/do_vm_setbuf.c

   1 /* The system call implemented in this file:
   2  *   m_type:    SYS_VM_SETBUF
   3  *
   4  * The parameters for this system call are:
   5  *    m4_l1:    Start of the buffer
   6  *    m4_l2:    Length of the buffer
   7  *    m4_l3:    End of main memory
   8  */
   9 #include "../system.h"
  10
  11 #define VM_DEBUG 0              /* enable/ disable debug output */
  12
  13 /*===========================================================================*
  14  *                              do_vm_setbuf                                 *
  15  *===========================================================================*/
  16 PUBLIC int do_vm_setbuf(m_ptr)
  17 message *m_ptr;                 /* pointer to request message */
  18 {
  19         vm_base= m_ptr->m4_l1;
  20         vm_size= m_ptr->m4_l2;
  21         vm_mem_high= m_ptr->m4_l3;
  22
  23 #if VM_DEBUG
  24         kprintf("do_vm_setbuf: got 0x%x @ 0x%x for 0x%x\n",
  25                 vm_size, vm_base, vm_mem_high);
  26 #endif
  27
  28         return OK;
  29 }