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/*
* Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* Copyright (c) 2013 Deng Hengyi.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/atomic.h>
#include <stdio.h>
#include <rtems.h>
#include "tmacros.h"
const char rtems_test_name[] = "SPATOMIC 1";
typedef struct {
Atomic_Uint atomic_int_value;
Atomic_Ulong atomic_value;
} test_context;
static test_context test_instance;
static void test_static_and_dynamic_initialization(void)
{
static Atomic_Uint static_uint =
ATOMIC_INITIALIZER_UINT(0xc01dc0feU);
static Atomic_Ulong static_ulong =
ATOMIC_INITIALIZER_ULONG(0xdeadbeefUL);
static Atomic_Pointer static_ptr =
ATOMIC_INITIALIZER_PTR(&static_ptr);
static Atomic_Flag static_flag = ATOMIC_INITIALIZER_FLAG;
Atomic_Uint stack_uint;
Atomic_Ulong stack_ulong;
Atomic_Pointer stack_ptr;
Atomic_Flag stack_flag;
puts("=== static and dynamic initialization test case ===");
_Atomic_Init_uint(&stack_uint, 0xc01dc0feU);
_Atomic_Init_ulong(&stack_ulong, 0xdeadbeefUL);
_Atomic_Init_ptr(&stack_ptr, &static_ptr);
_Atomic_Flag_clear(&stack_flag, ATOMIC_ORDER_RELAXED);
rtems_test_assert(
memcmp(&stack_uint, &static_uint, sizeof(stack_uint)) == 0
);
rtems_test_assert(
memcmp(&stack_ulong, &static_ulong, sizeof(stack_ulong)) == 0
);
rtems_test_assert(
memcmp(&stack_ptr, &static_ptr, sizeof(stack_ptr)) == 0
);
rtems_test_assert(
memcmp(&stack_flag, &static_flag, sizeof(stack_flag)) == 0
);
rtems_test_assert(
_Atomic_Load_uint(&stack_uint, ATOMIC_ORDER_RELAXED) == 0xc01dc0feU
);
rtems_test_assert(
_Atomic_Load_ulong(&stack_ulong, ATOMIC_ORDER_RELAXED) == 0xdeadbeefUL
);
rtems_test_assert(
_Atomic_Load_ptr(&stack_ptr, ATOMIC_ORDER_RELAXED) == &static_ptr
);
rtems_test_assert(
!_Atomic_Flag_test_and_set(&stack_flag, ATOMIC_ORDER_RELAXED)
);
}
typedef void (*simple_test_body)(test_context *ctx);
static void test_simple_atomic_add_body(test_context *ctx)
{
unsigned int ia = 8, ib = 4;
unsigned int ic;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple add test case ===");
_Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_add_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == (ia + ib));
_Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_add_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(c == (a + b));
}
static void test_simple_atomic_sub_body(test_context *ctx)
{
unsigned int ia = 8, ib = 4;
unsigned int ic;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple sub test case ===");
_Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_sub_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == (ia - ib));
_Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_sub_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(c == (a - b));
}
static void test_simple_atomic_or_body(test_context *ctx)
{
unsigned int ia = 8, ib = 4;
unsigned int ic;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple or test case ===");
_Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_or_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == (ia | ib));
_Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_or_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(c == (a | b));
}
static void test_simple_atomic_and_body(test_context *ctx)
{
unsigned int ia = 8, ib = 4;
unsigned int ic;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple and test case ===");
_Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_and_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == (ia & ib));
_Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_and_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(c == (a & b));
}
static void test_simple_atomic_exchange_body(test_context *ctx)
{
unsigned int ia = 8, ib = 4;
unsigned int ic;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple exchange test case ===");
_Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Exchange_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == ib);
_Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED);
_Atomic_Exchange_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(c == b);
}
static void test_simple_atomic_compare_exchange_body(test_context *ctx)
{
unsigned int ia = 8, ib = 4;
unsigned int ic;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple compare exchange test case ===");
_Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Compare_exchange_uint(&ctx->atomic_int_value, &ia, ib,
ATOMIC_ORDER_RELAXED, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == ib);
_Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED);
_Atomic_Compare_exchange_ulong(&ctx->atomic_value, &a, b,
ATOMIC_ORDER_RELAXED, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED);
rtems_test_assert(c == b);
}
static const simple_test_body simple_test_bodies[] = {
test_simple_atomic_add_body,
test_simple_atomic_sub_body,
test_simple_atomic_or_body,
test_simple_atomic_and_body,
test_simple_atomic_exchange_body,
test_simple_atomic_compare_exchange_body,
};
#define SIMPLE_TEST_COUNT RTEMS_ARRAY_SIZE(simple_test_bodies)
static void simple_tests(void)
{
test_context *ctx = &test_instance;
size_t test;
for (test = 0; test < SIMPLE_TEST_COUNT; ++test) {
const simple_test_body *test_body = &simple_test_bodies[test];
(*test_body)(ctx);
}
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
test_static_and_dynamic_initialization();
simple_tests();
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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