minix3/lib/libsys/arch/i386/sys_voutb.c

19 lines
626 B
C

#include "syslib.h"
/*===========================================================================*
* sys_voutb *
*===========================================================================*/
int sys_voutb(pvb_pairs, nr_ports)
pvb_pair_t *pvb_pairs; /* (port,byte-value)-pairs */
int nr_ports; /* nr of pairs to be processed */
{
message m_io;
m_io.m_lsys_krn_sys_vdevio.request = _DIO_OUTPUT | _DIO_BYTE;
m_io.m_lsys_krn_sys_vdevio.vec_addr = (vir_bytes)pvb_pairs;
m_io.m_lsys_krn_sys_vdevio.vec_size = nr_ports;
return _kernel_call(SYS_VDEVIO, &m_io);
}