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/* Task_1
*
* This routine serves as a test task. It tests the I/O manager.
*
* Input parameters:
* argument - task argument
*
* Output parameters: NONE
*
* COPYRIGHT (c) 1989-2002.
* 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.
*
* $Id$
*/
#include "system.h"
/* rtems_device_major_number is a typedef to uint32_t */
#define PRIurtems_device_major_number PRIu32
#define STUB_DRIVER_MAJOR 0x2
#define NO_DRIVER_MAJOR 0x3
#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
};
rtems_task Task_1(
rtems_task_argument argument
)
{
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( "TA1 - rtems_io_initialize - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_open( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_open" );
puts( "TA1 - rtems_io_open - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_close( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_close" );
puts( "TA1 - rtems_io_close - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_read( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_read" );
puts( "TA1 - rtems_io_read - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_write( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_write" );
puts( "TA1 - rtems_io_write - NULL DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_control( NO_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_control" );
puts( "TA1 - 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( "TA1 - rtems_io_initialize - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_open( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_open" );
puts( "TA1 - rtems_io_open - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_close( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_close" );
puts( "TA1 - rtems_io_close - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_read( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_read" );
puts( "TA1 - rtems_io_read - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_write( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_write" );
puts( "TA1 - rtems_io_write - STUB DRIVER RTEMS_SUCCESSFUL" );
status = rtems_io_control( STUB_DRIVER_MAJOR, 0, NULL );
directive_failed( status, "rtems_io_control" );
puts( "TA1 - 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( "TA1 - 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( "TA1 - 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(
"TA1 - 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(
"TA1 - 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(
"TA1 - 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( "TA1 - 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( "TA1 - 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( "TA1 - 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(
"TA1 - 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( "TA1 - rtems_io_unregister_driver - RTEMS_SUCCESSFUL" );
puts( "*** END OF TEST 21 ***" );
rtems_test_exit( 0 );
}
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