forked from Imagelibrary/rtems
140 lines
2.9 KiB
C
140 lines
2.9 KiB
C
/*
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* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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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.h>
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#include <rtems/profiling.h>
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const char rtems_test_name[] = "SMPLOAD 1";
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#define CPU_COUNT 32
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#define WORKER_COUNT (3 * CPU_COUNT)
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struct {
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rtems_id sema_prio_inherit;
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rtems_id sema_prio_ceiling;
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} test_context;
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static uint32_t simple_random(uint32_t v)
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{
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v *= 1664525;
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v += 1013904223;
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return v;
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}
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static void worker_task(rtems_task_argument arg)
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{
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uint32_t v = arg;
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while (true) {
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rtems_status_code sc;
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rtems_id id;
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v = simple_random(v);
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if ((v & 0x80000000) != 0) {
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id = test_context.sema_prio_inherit;
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} else {
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id = test_context.sema_prio_ceiling;
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}
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sc = rtems_semaphore_obtain(id, RTEMS_WAIT, RTEMS_NO_TIMEOUT);
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rtems_test_assert(sc == RTEMS_SUCCESSFUL);
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sc = rtems_task_wake_after(1);
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rtems_test_assert(sc == RTEMS_SUCCESSFUL);
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sc = rtems_semaphore_release(id);
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rtems_test_assert(sc == RTEMS_SUCCESSFUL);
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}
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}
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static void test(void)
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{
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uint32_t i;
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rtems_status_code sc;
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rtems_id id;
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sc = rtems_semaphore_create(
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rtems_build_name('I', 'N', 'H', 'R'),
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1,
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RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY | RTEMS_INHERIT_PRIORITY,
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0,
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&test_context.sema_prio_inherit
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);
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rtems_test_assert(sc == RTEMS_SUCCESSFUL);
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sc = rtems_semaphore_create(
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rtems_build_name('C', 'E', 'I', 'L'),
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1,
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RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY | RTEMS_PRIORITY_CEILING,
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2,
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&test_context.sema_prio_ceiling
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);
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rtems_test_assert(sc == RTEMS_SUCCESSFUL);
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for (i = 0; i < WORKER_COUNT; ++i) {
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sc = rtems_task_create(
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rtems_build_name('W', 'O', 'R', 'K'),
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3 + i,
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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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&id
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);
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rtems_test_assert(sc == RTEMS_SUCCESSFUL);
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sc = rtems_task_start(id, worker_task, i);
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rtems_test_assert(sc == RTEMS_SUCCESSFUL);
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}
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sc = rtems_task_wake_after(10 * rtems_clock_get_ticks_per_second());
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rtems_test_assert(sc == RTEMS_SUCCESSFUL);
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rtems_profiling_report_xml("SMPLOAD 1", rtems_printf_plugin, NULL, 1, " ");
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}
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static void Init(rtems_task_argument arg)
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{
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TEST_BEGIN();
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test();
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TEST_END();
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rtems_test_exit(0);
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}
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
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#define CONFIGURE_SMP_APPLICATION
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#define CONFIGURE_SMP_MAXIMUM_PROCESSORS CPU_COUNT
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#define CONFIGURE_MAXIMUM_TASKS (1 + WORKER_COUNT)
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#define CONFIGURE_MAXIMUM_SEMAPHORES 2
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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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