forked from Imagelibrary/rtems
282 lines
8.5 KiB
C
282 lines
8.5 KiB
C
/*
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* COPYRIGHT (c) 1989-2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tmacros.h>
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#include <rtems/devnull.h>
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#include <rtems/devzero.h>
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#include <rtems/libio.h>
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/* forward declarations to avoid warnings */
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rtems_task Init(rtems_task_argument argument);
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void do_test_io_manager(void);
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void do_test_io_lookup_name(void);
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void do_test_zero_driver(void);
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#define PRIurtems_device_major_number PRIu32
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#define STUB_DRIVER_MAJOR 0x2
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#define ZERO_DRIVER_MAJOR 0x3
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#define NO_DRIVER_MAJOR 0x4
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#define INVALID_DRIVER_MAJOR \
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(rtems_configuration_get_number_of_device_drivers() + 1)
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/* driver entries to use with io_register */
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rtems_driver_address_table GoodDriver = DEVNULL_DRIVER_TABLE_ENTRY;
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rtems_driver_address_table BadDriver_Nothing = {
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NULL, NULL, NULL, NULL, NULL, NULL
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};
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void do_test_io_manager(void)
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{
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rtems_status_code status;
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rtems_device_major_number registered;
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rtems_device_major_number registered_worked;
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puts( "----- TESTING THE NULL DRIVER CHECKS -----" );
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status = rtems_io_initialize( NO_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_initialize" );
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puts( "rtems_io_initialize - NULL DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_open( NO_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_open" );
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puts( "rtems_io_open - NULL DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_close( NO_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_close" );
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puts( "rtems_io_close - NULL DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_read( NO_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_read" );
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puts( "rtems_io_read - NULL DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_write( NO_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_write" );
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puts( "rtems_io_write - NULL DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_control( NO_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_control" );
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puts( "rtems_io_control - NULL DRIVER RTEMS_SUCCESSFUL" );
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puts( "----- TESTING THE I/O MANAGER DIRECTIVES -----" );
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status = rtems_io_initialize( STUB_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_initialize" );
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puts( "rtems_io_initialize - STUB DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_open( STUB_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_open" );
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puts( "rtems_io_open - STUB DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_close( STUB_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_close" );
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puts( "rtems_io_close - STUB DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_read( STUB_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_read" );
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puts( "rtems_io_read - STUB DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_write( STUB_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_write" );
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puts( "rtems_io_write - STUB DRIVER RTEMS_SUCCESSFUL" );
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status = rtems_io_control( STUB_DRIVER_MAJOR, 0, NULL );
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directive_failed( status, "rtems_io_control" );
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puts( "rtems_io_control - STUB DRIVER RTEMS_SUCCESSFUL" );
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/*
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* Invalid major number
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*/
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puts( "----- RETURNING INVALID MAJOR NUMBER -----" );
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status = rtems_io_initialize( INVALID_DRIVER_MAJOR, 0, NULL );
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fatal_directive_status(
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status,
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RTEMS_INVALID_NUMBER,
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"rtems_io_initialize"
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);
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puts( "rtems_io_initialize - RTEMS_INVALID_NUMBER" );
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status = rtems_io_open( INVALID_DRIVER_MAJOR, 0, NULL );
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fatal_directive_status(
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status,
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RTEMS_INVALID_NUMBER,
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"rtems_io_open"
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);
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puts( "rtems_io_open - RTEMS_INVALID_NUMBER" );
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/*
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* Exercise the io register driver directive
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*/
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puts( "----- EXERCISE DRIVER REGISTER -----" );
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status = rtems_io_register_driver( 0, &GoodDriver, NULL );
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fatal_directive_status(
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status,
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RTEMS_INVALID_ADDRESS,
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"rtems_io_register_driver"
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);
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puts(
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"rtems_io_register_driver - RTEMS_INVALID_ADDRESS - NULL registered"
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);
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status = rtems_io_register_driver( 0, NULL, ®istered );
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fatal_directive_status(
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status,
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RTEMS_INVALID_ADDRESS,
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"rtems_io_register_driver"
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);
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puts(
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"rtems_io_register_driver - RTEMS_INVALID_ADDRESS - NULL device"
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);
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status = rtems_io_register_driver( 0, &BadDriver_Nothing, ®istered );
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fatal_directive_status(
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status,
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RTEMS_INVALID_ADDRESS,
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"rtems_io_register_driver"
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);
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puts(
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"rtems_io_register_driver - RTEMS_INVALID_ADDRESS - no callouts"
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);
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status = rtems_io_register_driver(
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INVALID_DRIVER_MAJOR, &GoodDriver, ®istered );
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fatal_directive_status(
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status,
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RTEMS_INVALID_NUMBER,
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"rtems_io_register_driver"
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);
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puts( "rtems_io_register_driver - RTEMS_INVALID_NUMBER - bad major" );
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/* this has to succeed to overwrite NULL driver entry required above. */
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status = rtems_io_register_driver( 0, &GoodDriver, ®istered_worked );
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directive_failed( status, "rtems_io_register_driver" );
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puts( "rtems_io_register_driver - RTEMS_SUCCESSFUL - overwrite NULL" );
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status = rtems_io_register_driver( 0, &GoodDriver, ®istered );
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if ( status == RTEMS_SUCCESSFUL )
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printf(
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"registered major = %" PRIurtems_device_major_number "\n", registered );
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fatal_directive_status(
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status,
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RTEMS_TOO_MANY,
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"rtems_io_register_driver"
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);
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puts( "rtems_io_register_driver - RTEMS_TOO_MANY - no slots" );
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/* there should be a driver at major 1 -- clock, console, or stub */
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status = rtems_io_register_driver( 1, &GoodDriver, ®istered );
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fatal_directive_status(
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status,
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RTEMS_RESOURCE_IN_USE,
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"rtems_io_register_driver"
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);
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puts(
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"rtems_io_register_driver - RTEMS_RESOURCE_IN_USE - major in use"
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);
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/* this should unregister the device driver we registered above */
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status = rtems_io_unregister_driver( registered_worked );
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directive_failed( status, "rtems_io_unregister_driver" );
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puts( "rtems_io_unregister_driver - RTEMS_SUCCESSFUL" );
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}
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void do_test_io_lookup_name(void)
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{
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rtems_status_code sc;
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rtems_driver_name_t info;
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puts( "rtems_io_lookup_name( \"\", &info ) - RTEMS_UNSATISFIED" );
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sc = rtems_io_lookup_name( "", &info );
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fatal_directive_status( sc, RTEMS_UNSATISFIED, "lookup empty string" );
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puts( "rtems_io_lookup_name( \"/dev\", &info ) - RTEMS_UNSATISFIED" );
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sc = rtems_io_lookup_name( "/dev", &info );
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fatal_directive_status( sc, RTEMS_UNSATISFIED, "lookup empty string" );
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puts( "rtems_io_lookup_name( \"/dev/null\", &info ) - RTEMS_SUCCESSFUL" );
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sc = rtems_io_lookup_name( "/dev/null", &info );
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directive_failed( sc, "lookup /dev/null" );
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}
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void do_test_zero_driver(void)
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{
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rtems_status_code sc = RTEMS_SUCCESSFUL;
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char in = 'I';
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rtems_libio_rw_args_t rw_in = {
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.buffer = &in,
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.count = sizeof(in)
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};
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char out = 'O';
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rtems_libio_rw_args_t rw_out = {
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.buffer = &out,
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.count = sizeof(out)
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};
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puts( "----- TESTING THE ZERO DRIVER CHECKS -----" );
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sc = rtems_io_initialize( ZERO_DRIVER_MAJOR, 0, NULL );
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rtems_test_assert( sc == RTEMS_TOO_MANY );
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sc = rtems_io_open( ZERO_DRIVER_MAJOR, 0, NULL );
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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sc = rtems_io_close( ZERO_DRIVER_MAJOR, 0, NULL );
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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sc = rtems_io_read( ZERO_DRIVER_MAJOR, 0, &rw_in );
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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rtems_test_assert( in == 0 );
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rtems_test_assert( rw_in.bytes_moved == sizeof(in) );
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sc = rtems_io_write( ZERO_DRIVER_MAJOR, 0, &rw_out );
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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rtems_test_assert( out == 'O' );
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rtems_test_assert( rw_out.bytes_moved == sizeof(out) );
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sc = rtems_io_control( ZERO_DRIVER_MAJOR, 0, NULL );
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rtems_test_assert( sc == RTEMS_IO_ERROR );
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}
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rtems_task Init(
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rtems_task_argument argument
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)
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{
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puts( "\n\n*** TEST 21 ***" );
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do_test_io_manager();
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do_test_io_lookup_name();
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do_test_zero_driver();
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puts( "*** END OF TEST 21 ***" );
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rtems_test_exit( 0 );
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}
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/* configuration information */
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#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_STUB_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_ZERO_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_NULL_DRIVER
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#define CONFIGURE_MAXIMUM_TASKS 1
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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/* end of file */
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