minix/lib/syslib/sys_sdevio.c
2005-04-21 14:53:53 +00:00

26 lines
824 B
C

#include "syslib.h"
/*===========================================================================*
* sys_sdevio *
*===========================================================================*/
PUBLIC int sys_sdevio(req, port, type, proc_nr, buffer, count)
int req; /* request: DIO_INPUT/ DIO_OUTPUT */
long port; /* port address to read from */
int type; /* byte, word, long */
int proc_nr; /* process where buffer is */
void *buffer; /* pointer to buffer */
int count; /* number of elements */
{
message m_io;
int result;
m_io.DIO_REQUEST = req;
m_io.DIO_TYPE = type;
m_io.DIO_PORT = port;
m_io.DIO_VEC_PROC = proc_nr;
m_io.DIO_VEC_ADDR = buffer;
m_io.DIO_VEC_SIZE = count;
return(_taskcall(SYSTASK, SYS_SDEVIO, &m_io));
}