/* console_read --
* Read from the console device
*
* PARAMETERS:
* major - major device number for console devices
* minor - minor device number for console
* arg - device read argument
*
* RETURNS:
* RTEMS error code
*/
rtems_device_driver
console_read(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg)
{
if ((console_mode != CONSOLE_MODE_RAW) &&
(console_mode != CONSOLE_MODE_IPL))
{
return rtems_termios_read (arg);
}
else
{
rtems_libio_rw_args_t *argp = arg;
char *buf = argp->buffer;
int count = argp->count;
int n = 0;
int c;
while (n < count)
{
do {
c = (console_mode == CONSOLE_MODE_RAW) ?
sh4uart_poll_read(&sh4_uarts[minor]) :
ipl_console_poll_read(minor);
} while (c == -1);
if (c == '\r')
c = '\n';
*(buf++) = c;
n++;
if (c == '\n')
break;
}
argp->bytes_moved = n;
return RTEMS_SUCCESSFUL;
}
}
/*
* paux device driver READ entry point.
* Read characters from the PS/2 mouse.
*/
rtems_device_driver paux_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg)
{
return rtems_termios_read (arg);
} /* tty_read */
rtems_device_driver console_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg)
{
return rtems_termios_read(arg);
}
static
rtems_device_driver my_pty_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_read(arg);
}
/*
* Read from the device
*/
rtems_device_driver console_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
if ( minor > NUM_PORTS-1 )
return RTEMS_INVALID_NUMBER;
#if UARTS_USE_TERMIOS == 1
return rtems_termios_read( arg );
#else
return do_poll_read( major, minor, arg );
#endif
}
/*-------------------------------------------------------------------------+
| Console device driver READ entry point.
+--------------------------------------------------------------------------+
| Read characters from the I/O console. We only have stdin.
+--------------------------------------------------------------------------*/
rtems_device_driver
console_read(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg)
{
rtems_status_code sc;
sc = rtems_termios_read (arg);
if ( sc != RTEMS_SUCCESSFUL )
printk("console_read: fails %s\n",rtems_status_text(sc));
return sc;
} /* console_read */