/*
* COPYRIGHT (c) 1989-2010.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tmacros.h>
#include <rtems/devnull.h>
#include <rtems/devzero.h>
#include <rtems/libio.h>
#define PRIurtems_device_major_number PRIu32
#define STUB_DRIVER_MAJOR 0x2
#define ZERO_DRIVER_MAJOR 0x3
#define NO_DRIVER_MAJOR 0x4
#define INVALID_DRIVER_MAJOR \
(rtems_configuration_get_number_of_device_drivers() + 1)
/* driver entries to use with io_register */
rtems_driver_address_table GoodDriver = DEVNULL_DRIVER_TABLE_ENTRY;
rtems_driver_address_table BadDriver_Nothing = {
NULL, NULL, NULL, NULL, NULL, NULL
};
void do_test_io_manager(void)
{
rtems_status_code status;
rtems_device_major_number registered;
rtems_device_major_number registered_worked;
puts( "----- TESTING THE NULL DRIVER CHECKS -----" );
status = rtems_io_initialize( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_initialize" );
puts( "rtems_io_initialize - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_open( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_open" );
puts( "rtems_io_open - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_close( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_close" );
puts( "rtems_io_close - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_read( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_read" );
puts( "rtems_io_read - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_write( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_write" );
puts( "rtems_io_write - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_control( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_control" );
puts( "rtems_io_control - NULL DRIVER RTEMS_SUCCESSFUL" );
puts( "----- TESTING THE I/O MANAGER DIRECTIVES -----" );
status = rtems_io_initialize( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_initialize" );
puts( "rtems_io_initialize - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_open( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_open" );
puts( "rtems_io_open - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_close( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_close" );
puts( "rtems_io_close - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_read( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_read" );
puts( "rtems_io_read - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_write( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_write" );
puts( "rtems_io_write - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_control( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_control" );
puts( "rtems_io_control - STUB DRIVER RTEMS_SUCCESSFUL" );
/*
* Invalid major number
*/
puts( "----- RETURNING INVALID MAJOR NUMBER -----" );
status = rtems_io_initialize( INVALID_DRIVER_MAJOR, 0, NULL );
fatal_directive_status(
status,
RTEMS_INVALID_NUMBER,
"rtems_io_initialize"
);
puts( "rtems_io_initialize - RTEMS_INVALID_NUMBER" );
status = rtems_io_open( INVALID_DRIVER_MAJOR, 0, NULL );
fatal_directive_status(
status,
RTEMS_INVALID_NUMBER,
"rtems_io_open"
);
puts( "rtems_io_open - RTEMS_INVALID_NUMBER" );
/*
* Exercise the io register driver directive
*/
puts( "----- EXERCISE DRIVER REGISTER -----" );
status = rtems_io_register_driver( 0, &GoodDriver, NULL );
fatal_directive_status(
status,
RTEMS_INVALID_ADDRESS,
"rtems_io_register_driver"
);
puts(
"rtems_io_register_driver - RTEMS_INVALID_ADDRESS - NULL registered"
);
status = rtems_io_register_driver( 0, NULL, ®istered );
fatal_directive_status(
status,
RTEMS_INVALID_ADDRESS,
"rtems_io_register_driver"
);
puts(
"rtems_io_register_driver - RTEMS_INVALID_ADDRESS - NULL device"
);
status = rtems_io_register_driver( 0, &BadDriver_Nothing, ®istered );
fatal_directive_status(
status,
RTEMS_INVALID_ADDRESS,
"rtems_io_register_driver"
);
puts(
"rtems_io_register_driver - RTEMS_INVALID_ADDRESS - no callouts"
);
status = rtems_io_register_driver(
INVALID_DRIVER_MAJOR, &GoodDriver, ®istered );
fatal_directive_status(
status,
RTEMS_INVALID_NUMBER,
"rtems_io_register_driver"
);
puts( "rtems_io_register_driver - RTEMS_INVALID_NUMBER - bad major" );
/* this has to succeed to overwrite NULL driver entry required above. */
status = rtems_io_register_driver( 0, &GoodDriver, ®istered_worked );
directive_failed( status, "rtems_io_register_driver" );
puts( "rtems_io_register_driver - RTEMS_SUCCESSFUL - overwrite NULL" );
status = rtems_io_register_driver( 0, &GoodDriver, ®istered );
if ( status == RTEMS_SUCCESSFUL )
printf(
"registered major = %" PRIurtems_device_major_number "\n", registered );
fatal_directive_status(
status,
RTEMS_TOO_MANY,
"rtems_io_register_driver"
);
puts( "rtems_io_register_driver - RTEMS_TOO_MANY - no slots" );
/* there should be a driver at major 1 -- clock, console, or stub */
status = rtems_io_register_driver( 1, &GoodDriver, ®istered );
fatal_directive_status(
status,
RTEMS_RESOURCE_IN_USE,
"rtems_io_register_driver"
);
puts(
"rtems_io_register_driver - RTEMS_RESOURCE_IN_USE - major in use"
);
/* this should unregister the device driver we registered above */
status = rtems_io_unregister_driver( registered_worked );
directive_failed( status, "rtems_io_unregister_driver" );
puts( "rtems_io_unregister_driver - RTEMS_SUCCESSFUL" );
}
void do_test_io_lookup_name(void)
{
rtems_status_code sc;
rtems_driver_name_t info;
puts( "rtems_io_lookup_name( \"\", &info ) - RTEMS_UNSATISFIED" );
sc = rtems_io_lookup_name( "", &info );
fatal_directive_status( sc, RTEMS_UNSATISFIED, "lookup empty string" );
puts( "rtems_io_lookup_name( \"/dev\", &info ) - RTEMS_UNSATISFIED" );
sc = rtems_io_lookup_name( "/dev", &info );
fatal_directive_status( sc, RTEMS_UNSATISFIED, "lookup empty string" );
puts( "rtems_io_lookup_name( \"/dev/null\", &info ) - RTEMS_SUCCESSFUL" );
sc = rtems_io_lookup_name( "/dev/null", &info );
directive_failed( sc, "lookup /dev/null" );
}
void do_test_zero_driver(void)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
char in = 'I';
rtems_libio_rw_args_t rw_in = {
.buffer = &in,
.count = sizeof(in)
};
char out = 'O';
rtems_libio_rw_args_t rw_out = {
.buffer = &out,
.count = sizeof(out)
};
puts( "----- TESTING THE ZERO DRIVER CHECKS -----" );
sc = rtems_io_initialize( ZERO_DRIVER_MAJOR, 0, NULL );
rtems_test_assert( sc == RTEMS_TOO_MANY );
sc = rtems_io_open( ZERO_DRIVER_MAJOR, 0, NULL );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_io_close( ZERO_DRIVER_MAJOR, 0, NULL );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_io_read( ZERO_DRIVER_MAJOR, 0, &rw_in );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( in == 0 );
rtems_test_assert( rw_in.bytes_moved == sizeof(in) );
sc = rtems_io_write( ZERO_DRIVER_MAJOR, 0, &rw_out );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( out == 'O' );
rtems_test_assert( rw_out.bytes_moved == sizeof(out) );
sc = rtems_io_control( ZERO_DRIVER_MAJOR, 0, NULL );
rtems_test_assert( sc == RTEMS_IO_ERROR );
}
rtems_task Init(
rtems_task_argument argument
)
{
puts( "\n\n*** TEST 21 ***" );
do_test_io_manager();
do_test_io_lookup_name();
do_test_zero_driver();
puts( "*** END OF TEST 21 ***" );
rtems_test_exit( 0 );
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_STUB_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_ZERO_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_NULL_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */