forked from Imagelibrary/rtems
160 lines
3.9 KiB
C
160 lines
3.9 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.org/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 <unistd.h>
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const char rtems_test_name[] = "SP 62";
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/* forward declarations to avoid warnings */
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rtems_task Init(rtems_task_argument argument);
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rtems_task Blocker(rtems_task_argument ignored);
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rtems_id Region;
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uint32_t Region_Memory[256] CPU_STRUCTURE_ALIGNMENT;
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volatile bool case_hit;
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#define SECOND_ALLOC (sizeof(Region_Memory) / 2)
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#define RESIZE 1
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rtems_task Blocker(
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rtems_task_argument ignored
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)
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{
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rtems_status_code sc;
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void *segment_address_2;
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puts( "Blocker - rtems_region_get_segment - OK");
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sc = rtems_region_get_segment(
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Region,
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SECOND_ALLOC,
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RTEMS_DEFAULT_OPTIONS,
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RTEMS_NO_TIMEOUT,
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&segment_address_2
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);
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directive_failed( sc, "rtems_region_get_segment" );
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sc = rtems_region_return_segment( Region, segment_address_2 );
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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puts( "Blocker - Got memory after resize" );
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case_hit = true;
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(void) rtems_task_delete( RTEMS_SELF );
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}
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rtems_task Init(
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rtems_task_argument ignored
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)
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{
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rtems_id task_id;
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rtems_status_code sc;
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void *segment_address_1;
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uintptr_t old_size;
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size_t first_alloc_size;
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TEST_BEGIN();
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puts( "Init - rtems_task_create Blocker - OK" );
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sc = rtems_task_create(
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rtems_build_name( 'B', 'L', 'C', 'K' ),
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1,
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RTEMS_MINIMUM_STACK_SIZE,
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RTEMS_DEFAULT_MODES,
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RTEMS_DEFAULT_ATTRIBUTES,
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&task_id
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);
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directive_failed( sc, "rtems_task_create of Blocker" );
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puts( "Init - rtems_task_start Blocker - OK" );
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sc = rtems_task_start( task_id, Blocker, 0 );
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directive_failed( sc, "rtems_task_start of Blocker" );
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puts( "Init - rtems_task_create Region - OK" );
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sc = rtems_region_create(
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rtems_build_name( 'R', 'N', '1', ' ' ),
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Region_Memory,
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sizeof(Region_Memory),
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16,
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RTEMS_DEFAULT_ATTRIBUTES,
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&Region
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);
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directive_failed( sc, "rtems_region_create" );
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puts( "Init - rtems_region_get_segment - OK");
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first_alloc_size = sizeof( Region_Memory );
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do {
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--first_alloc_size;
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sc = rtems_region_get_segment(
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Region,
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first_alloc_size,
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RTEMS_NO_WAIT,
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RTEMS_NO_TIMEOUT,
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&segment_address_1
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);
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} while ( sc == RTEMS_UNSATISFIED || sc == RTEMS_INVALID_SIZE );
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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puts( "Init - sleep 1 second for Blocker - OK");
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sleep(1);
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/* Check resize_segment errors */
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sc = rtems_region_resize_segment(
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Region, segment_address_1, RESIZE, &old_size);
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directive_failed( sc, "rtems_region_resize_segment" );
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case_hit = false;
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puts( "Init - sleep 1 second for Blocker to run again - OK");
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sleep(1);
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if ( case_hit ) {
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puts( "Init - successfully resized and unblocked a task" );
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} else {
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puts( "Init - failed to resize and unblock a task" );
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rtems_test_exit(0);
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}
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/*
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* Now resize and take all of memory so there is no need to
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* process any blocked tasks waiting for memory.
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*/
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puts( "Init - resized to all of available memory" );
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sc = rtems_region_resize_segment(
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Region,
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segment_address_1,
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first_alloc_size,
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&old_size
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);
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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TEST_END();
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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_MAXIMUM_TASKS 2
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#define CONFIGURE_MAXIMUM_REGIONS 1
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#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
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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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/* global variables */
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