/*
* Copyright (c) 2013-2015 embedded brains GmbH. All rights reserved.
*
* 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 uint_atomic;
Atomic_Uintptr uintptr_atomic;
Atomic_Ulong ulong_atomic;
} test_context;
static test_context test_instance;
static void test_static_and_dynamic_initialization(void)
{
#if (__SIZEOF_INT__ == 2)
#define UINT_CONSTANT 0xc0feU
#else
#define UINT_CONSTANT 0xc01dc0feU
#endif
static Atomic_Uint static_uint = ATOMIC_INITIALIZER_UINT(UINT_CONSTANT);
static Atomic_Ulong static_ulong = ATOMIC_INITIALIZER_ULONG(0xdeadbeefUL);
static Atomic_Uintptr static_uintptr =
ATOMIC_INITIALIZER_UINTPTR((uintptr_t) &static_uintptr);
static Atomic_Flag static_flag = ATOMIC_INITIALIZER_FLAG;
Atomic_Uint stack_uint;
Atomic_Ulong stack_ulong;
Atomic_Uintptr stack_uintptr;
Atomic_Flag stack_flag;
puts("=== static and dynamic initialization test case ===");
_Atomic_Init_uint(&stack_uint, UINT_CONSTANT);
_Atomic_Init_ulong(&stack_ulong, 0xdeadbeefUL);
_Atomic_Init_uintptr(&stack_uintptr, (uintptr_t) &static_uintptr);
_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_uintptr, &static_uintptr, sizeof(stack_uintptr)) == 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_uintptr(&stack_uintptr, ATOMIC_ORDER_RELAXED)
== (uintptr_t) &static_uintptr
);
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;
uintptr_t pa = 42, pb = 24;
uintptr_t pc;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple add test case ===");
_Atomic_Store_uint(&ctx->uint_atomic, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_add_uint(&ctx->uint_atomic, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->uint_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == (ia + ib));
_Atomic_Store_uintptr(&ctx->uintptr_atomic, pa, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_add_uintptr(&ctx->uintptr_atomic, pb, ATOMIC_ORDER_RELAXED);
pc = _Atomic_Load_uintptr(&ctx->uintptr_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(pc == (pa + pb));
_Atomic_Store_ulong(&ctx->ulong_atomic, a, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_add_ulong(&ctx->ulong_atomic, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->ulong_atomic, 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;
uintptr_t pa = 42, pb = 24;
uintptr_t pc;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple sub test case ===");
_Atomic_Store_uint(&ctx->uint_atomic, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_sub_uint(&ctx->uint_atomic, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->uint_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == (ia - ib));
_Atomic_Store_uintptr(&ctx->uintptr_atomic, pa, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_sub_uintptr(&ctx->uintptr_atomic, pb, ATOMIC_ORDER_RELAXED);
pc = _Atomic_Load_uintptr(&ctx->uintptr_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(pc == (pa - pb));
_Atomic_Store_ulong(&ctx->ulong_atomic, a, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_sub_ulong(&ctx->ulong_atomic, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->ulong_atomic, 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;
uintptr_t pa = 42, pb = 24;
uintptr_t pc;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple or test case ===");
_Atomic_Store_uint(&ctx->uint_atomic, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_or_uint(&ctx->uint_atomic, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->uint_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == (ia | ib));
_Atomic_Store_uintptr(&ctx->uintptr_atomic, pa, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_or_uintptr(&ctx->uintptr_atomic, pb, ATOMIC_ORDER_RELAXED);
pc = _Atomic_Load_uintptr(&ctx->uintptr_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(pc == (pa | pb));
_Atomic_Store_ulong(&ctx->ulong_atomic, a, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_or_ulong(&ctx->ulong_atomic, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->ulong_atomic, 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;
uintptr_t pa = 42, pb = 24;
uintptr_t pc;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple and test case ===");
_Atomic_Store_uint(&ctx->uint_atomic, ia, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_and_uint(&ctx->uint_atomic, ib, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Load_uint(&ctx->uint_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == (ia & ib));
_Atomic_Store_uintptr(&ctx->uintptr_atomic, pa, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_and_uintptr(&ctx->uintptr_atomic, pb, ATOMIC_ORDER_RELAXED);
pc = _Atomic_Load_uintptr(&ctx->uintptr_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(pc == (pa & pb));
_Atomic_Store_ulong(&ctx->ulong_atomic, a, ATOMIC_ORDER_RELAXED);
_Atomic_Fetch_and_ulong(&ctx->ulong_atomic, b, ATOMIC_ORDER_RELAXED);
c = _Atomic_Load_ulong(&ctx->ulong_atomic, 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;
uintptr_t pa = 42, pb = 24;
uintptr_t pc;
unsigned long a = 2, b = 1;
unsigned long c;
puts("=== atomic simple exchange test case ===");
_Atomic_Store_uint(&ctx->uint_atomic, ia, ATOMIC_ORDER_RELAXED);
ic = _Atomic_Exchange_uint(&ctx->uint_atomic, ib, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == ia);
ic = _Atomic_Load_uint(&ctx->uint_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(ic == ib);
_Atomic_Store_uintptr(&ctx->uintptr_atomic, pa, ATOMIC_ORDER_RELAXED);
pc = _Atomic_Exchange_uintptr(&ctx->uintptr_atomic, pb, ATOMIC_ORDER_RELAXED);
rtems_test_assert(pc == pa);
pc = _Atomic_Load_uintptr(&ctx->uintptr_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(pc == pb);
_Atomic_Store_ulong(&ctx->ulong_atomic, a, ATOMIC_ORDER_RELAXED);
c = _Atomic_Exchange_ulong(&ctx->ulong_atomic, b, ATOMIC_ORDER_RELAXED);
rtems_test_assert(c == a);
c = _Atomic_Load_ulong(&ctx->ulong_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(c == b);
}
static void test_simple_atomic_compare_exchange_body(test_context *ctx)
{
unsigned int ei;
unsigned int vi;
uintptr_t ep;
uintptr_t vp;
unsigned long el;
unsigned long vl;
bool success;
puts("=== atomic simple compare exchange test case ===");
_Atomic_Store_uint(&ctx->uint_atomic, 1, ATOMIC_ORDER_RELAXED);
ei = 2;
success = _Atomic_Compare_exchange_uint(
&ctx->uint_atomic,
&ei,
3,
ATOMIC_ORDER_RELAXED,
ATOMIC_ORDER_RELAXED
);
rtems_test_assert(!success);
rtems_test_assert(ei == 1);
success = _Atomic_Compare_exchange_uint(
&ctx->uint_atomic,
&ei,
3,
ATOMIC_ORDER_RELAXED,
ATOMIC_ORDER_RELAXED
);
rtems_test_assert(success);
vi = _Atomic_Load_uint(&ctx->uint_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(vi == 3);
_Atomic_Store_uintptr(&ctx->uintptr_atomic, 111, ATOMIC_ORDER_RELAXED);
ep = 211;
success = _Atomic_Compare_exchange_uintptr(
&ctx->uintptr_atomic,
&ep,
311,
ATOMIC_ORDER_RELAXED,
ATOMIC_ORDER_RELAXED
);
rtems_test_assert(!success);
rtems_test_assert(ep == 111);
success = _Atomic_Compare_exchange_uintptr(
&ctx->uintptr_atomic,
&ep,
311,
ATOMIC_ORDER_RELAXED,
ATOMIC_ORDER_RELAXED
);
rtems_test_assert(success);
vp = _Atomic_Load_uintptr(&ctx->uintptr_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(vp == 311);
_Atomic_Store_ulong(&ctx->ulong_atomic, 10, ATOMIC_ORDER_RELAXED);
el = 11;
success = _Atomic_Compare_exchange_ulong(
&ctx->ulong_atomic,
&el,
12,
ATOMIC_ORDER_RELAXED,
ATOMIC_ORDER_RELAXED
);
rtems_test_assert(!success);
rtems_test_assert(el == 10);
success = _Atomic_Compare_exchange_ulong(
&ctx->ulong_atomic,
&el,
12,
ATOMIC_ORDER_RELAXED,
ATOMIC_ORDER_RELAXED
);
rtems_test_assert(success);
vl = _Atomic_Load_ulong(&ctx->ulong_atomic, ATOMIC_ORDER_RELAXED);
rtems_test_assert(vl == 12);
}
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_SIMPLE_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>