1 | /* |
---|
2 | * Copyright (c) 2013 embedded brains GmbH. All rights reserved. |
---|
3 | * |
---|
4 | * embedded brains GmbH |
---|
5 | * Dornierstr. 4 |
---|
6 | * 82178 Puchheim |
---|
7 | * Germany |
---|
8 | * <rtems@embedded-brains.de> |
---|
9 | * |
---|
10 | * Copyright (c) 2013 Deng Hengyi. |
---|
11 | * |
---|
12 | * The license and distribution terms for this file may be |
---|
13 | * found in the file LICENSE in this distribution or at |
---|
14 | * http://www.rtems.com/license/LICENSE. |
---|
15 | */ |
---|
16 | |
---|
17 | #ifdef HAVE_CONFIG_H |
---|
18 | #include "config.h" |
---|
19 | #endif |
---|
20 | |
---|
21 | #include <rtems/score/atomic.h> |
---|
22 | #include <rtems.h> |
---|
23 | #include <string.h> |
---|
24 | |
---|
25 | #include "tmacros.h" |
---|
26 | |
---|
27 | /* FIXME: Add barrier to Score */ |
---|
28 | |
---|
29 | typedef struct { |
---|
30 | Atomic_Ulong value; |
---|
31 | Atomic_Ulong sense; |
---|
32 | } SMP_barrier_Control; |
---|
33 | |
---|
34 | typedef struct { |
---|
35 | unsigned long sense; |
---|
36 | } SMP_barrier_State; |
---|
37 | |
---|
38 | #define SMP_BARRIER_CONTROL_INITIALIZER \ |
---|
39 | { ATOMIC_INITIALIZER_ULONG( 0 ), ATOMIC_INITIALIZER_ULONG( 0 ) } |
---|
40 | |
---|
41 | #define SMP_BARRIER_STATE_INITIALIZER { 0 } |
---|
42 | |
---|
43 | static void _SMP_barrier_Wait( |
---|
44 | SMP_barrier_Control *control, |
---|
45 | SMP_barrier_State *state, |
---|
46 | unsigned long count |
---|
47 | ) |
---|
48 | { |
---|
49 | unsigned long sense = ~state->sense; |
---|
50 | unsigned long previous_value; |
---|
51 | |
---|
52 | state->sense = sense; |
---|
53 | |
---|
54 | previous_value = _Atomic_Fetch_add_ulong( |
---|
55 | &control->value, |
---|
56 | 1, |
---|
57 | ATOMIC_ORDER_RELAXED |
---|
58 | ); |
---|
59 | |
---|
60 | if ( previous_value + 1 == count ) { |
---|
61 | _Atomic_Store_ulong( &control->value, 0, ATOMIC_ORDER_RELAXED ); |
---|
62 | _Atomic_Store_ulong( &control->sense, sense, ATOMIC_ORDER_RELEASE ); |
---|
63 | } else { |
---|
64 | while ( |
---|
65 | _Atomic_Load_ulong( &control->sense, ATOMIC_ORDER_ACQUIRE ) != sense |
---|
66 | ) { |
---|
67 | /* Wait */ |
---|
68 | } |
---|
69 | } |
---|
70 | } |
---|
71 | |
---|
72 | #define MASTER_PRIORITY 1 |
---|
73 | |
---|
74 | #define WORKER_PRIORITY 2 |
---|
75 | |
---|
76 | #define CPU_COUNT 32 |
---|
77 | |
---|
78 | typedef struct { |
---|
79 | Atomic_Ulong stop; |
---|
80 | SMP_barrier_Control barrier; |
---|
81 | size_t worker_count; |
---|
82 | rtems_id stop_worker_timer_id; |
---|
83 | Atomic_Uint atomic_int_value; |
---|
84 | Atomic_Ulong atomic_value; |
---|
85 | unsigned long per_worker_value[CPU_COUNT]; |
---|
86 | unsigned long normal_value; |
---|
87 | Atomic_Flag global_flag; |
---|
88 | } test_context; |
---|
89 | |
---|
90 | typedef struct { |
---|
91 | void (*init)(test_context *ctx); |
---|
92 | void (*body)(test_context *ctx, size_t worker_index); |
---|
93 | void (*fini)(test_context *ctx); |
---|
94 | } test_case; |
---|
95 | |
---|
96 | static test_context test_instance = { |
---|
97 | .stop = ATOMIC_INITIALIZER_ULONG(0), |
---|
98 | .barrier = SMP_BARRIER_CONTROL_INITIALIZER |
---|
99 | }; |
---|
100 | |
---|
101 | static bool stop(test_context *ctx) |
---|
102 | { |
---|
103 | return _Atomic_Load_ulong(&ctx->stop, ATOMIC_ORDER_RELAXED) != 0; |
---|
104 | } |
---|
105 | |
---|
106 | static bool is_master_worker(size_t worker_index) |
---|
107 | { |
---|
108 | return worker_index == 0; |
---|
109 | } |
---|
110 | |
---|
111 | static void test_fini( |
---|
112 | test_context *ctx, |
---|
113 | const char *test, |
---|
114 | bool atomic |
---|
115 | ) |
---|
116 | { |
---|
117 | unsigned long expected_value = 0; |
---|
118 | unsigned long actual_value; |
---|
119 | size_t worker_index; |
---|
120 | |
---|
121 | printf("=== atomic %s test case ==\n", test); |
---|
122 | |
---|
123 | for (worker_index = 0; worker_index < ctx->worker_count; ++worker_index) { |
---|
124 | unsigned long worker_value = ctx->per_worker_value[worker_index]; |
---|
125 | |
---|
126 | expected_value += worker_value; |
---|
127 | |
---|
128 | printf( |
---|
129 | "worker %zu value: %lu\n", |
---|
130 | worker_index, |
---|
131 | worker_value |
---|
132 | ); |
---|
133 | } |
---|
134 | |
---|
135 | if (atomic) { |
---|
136 | actual_value = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED); |
---|
137 | } else { |
---|
138 | actual_value = ctx->normal_value; |
---|
139 | } |
---|
140 | |
---|
141 | printf( |
---|
142 | "atomic value: expected = %lu, actual = %lu\n", |
---|
143 | expected_value, |
---|
144 | actual_value |
---|
145 | ); |
---|
146 | |
---|
147 | rtems_test_assert(expected_value == actual_value); |
---|
148 | } |
---|
149 | |
---|
150 | static void test_atomic_add_init(test_context *ctx) |
---|
151 | { |
---|
152 | _Atomic_Init_ulong(&ctx->atomic_value, 0); |
---|
153 | } |
---|
154 | |
---|
155 | static void test_atomic_add_body(test_context *ctx, size_t worker_index) |
---|
156 | { |
---|
157 | unsigned long counter = 0; |
---|
158 | |
---|
159 | while (!stop(ctx)) { |
---|
160 | ++counter; |
---|
161 | _Atomic_Fetch_add_ulong(&ctx->atomic_value, 1, ATOMIC_ORDER_RELAXED); |
---|
162 | } |
---|
163 | |
---|
164 | ctx->per_worker_value[worker_index] = counter; |
---|
165 | } |
---|
166 | |
---|
167 | static void test_atomic_add_fini(test_context *ctx) |
---|
168 | { |
---|
169 | test_fini(ctx, "add", true); |
---|
170 | } |
---|
171 | |
---|
172 | static void test_atomic_flag_init(test_context *ctx) |
---|
173 | { |
---|
174 | _Atomic_Flag_clear(&ctx->global_flag, ATOMIC_ORDER_RELEASE); |
---|
175 | ctx->normal_value = 0; |
---|
176 | } |
---|
177 | |
---|
178 | static void test_atomic_flag_body(test_context *ctx, size_t worker_index) |
---|
179 | { |
---|
180 | unsigned long counter = 0; |
---|
181 | |
---|
182 | while (!stop(ctx)) { |
---|
183 | while (_Atomic_Flag_test_and_set(&ctx->global_flag, ATOMIC_ORDER_ACQUIRE)) { |
---|
184 | /* Wait */ |
---|
185 | } |
---|
186 | |
---|
187 | ++counter; |
---|
188 | ++ctx->normal_value; |
---|
189 | |
---|
190 | _Atomic_Flag_clear(&ctx->global_flag, ATOMIC_ORDER_RELEASE); |
---|
191 | } |
---|
192 | |
---|
193 | ctx->per_worker_value[worker_index] = counter; |
---|
194 | } |
---|
195 | |
---|
196 | static void test_atomic_flag_fini(test_context *ctx) |
---|
197 | { |
---|
198 | test_fini(ctx, "flag", false); |
---|
199 | } |
---|
200 | |
---|
201 | static void test_atomic_sub_init(test_context *ctx) |
---|
202 | { |
---|
203 | _Atomic_Init_ulong(&ctx->atomic_value, 0); |
---|
204 | } |
---|
205 | |
---|
206 | static void test_atomic_sub_body(test_context *ctx, size_t worker_index) |
---|
207 | { |
---|
208 | unsigned long counter = 0; |
---|
209 | |
---|
210 | while (!stop(ctx)) { |
---|
211 | --counter; |
---|
212 | _Atomic_Fetch_sub_ulong(&ctx->atomic_value, 1, ATOMIC_ORDER_RELAXED); |
---|
213 | } |
---|
214 | |
---|
215 | ctx->per_worker_value[worker_index] = counter; |
---|
216 | } |
---|
217 | |
---|
218 | static void test_atomic_sub_fini(test_context *ctx) |
---|
219 | { |
---|
220 | test_fini(ctx, "sub", true); |
---|
221 | } |
---|
222 | |
---|
223 | static void test_atomic_compare_exchange_init(test_context *ctx) |
---|
224 | { |
---|
225 | _Atomic_Init_ulong(&ctx->atomic_value, 0); |
---|
226 | ctx->normal_value = 0; |
---|
227 | } |
---|
228 | |
---|
229 | static void test_atomic_compare_exchange_body(test_context *ctx, size_t worker_index) |
---|
230 | { |
---|
231 | unsigned long counter = 0; |
---|
232 | |
---|
233 | while (!stop(ctx)) { |
---|
234 | bool success; |
---|
235 | |
---|
236 | do { |
---|
237 | unsigned long zero = 0; |
---|
238 | |
---|
239 | success = _Atomic_Compare_exchange_ulong( |
---|
240 | &ctx->atomic_value, |
---|
241 | &zero, |
---|
242 | 1, |
---|
243 | ATOMIC_ORDER_ACQUIRE, |
---|
244 | ATOMIC_ORDER_RELAXED |
---|
245 | ); |
---|
246 | } while (!success); |
---|
247 | |
---|
248 | ++counter; |
---|
249 | ++ctx->normal_value; |
---|
250 | |
---|
251 | _Atomic_Store_ulong(&ctx->atomic_value, 0, ATOMIC_ORDER_RELEASE); |
---|
252 | } |
---|
253 | |
---|
254 | ctx->per_worker_value[worker_index] = counter; |
---|
255 | } |
---|
256 | |
---|
257 | static void test_atomic_compare_exchange_fini(test_context *ctx) |
---|
258 | { |
---|
259 | test_fini(ctx, "compare exchange", false); |
---|
260 | } |
---|
261 | |
---|
262 | static void test_atomic_or_and_init(test_context *ctx) |
---|
263 | { |
---|
264 | _Atomic_Init_ulong(&ctx->atomic_value, 0); |
---|
265 | } |
---|
266 | |
---|
267 | static void test_atomic_or_and_body(test_context *ctx, size_t worker_index) |
---|
268 | { |
---|
269 | unsigned long the_bit = 1UL << worker_index; |
---|
270 | unsigned long current_bit = 0; |
---|
271 | |
---|
272 | while (!stop(ctx)) { |
---|
273 | unsigned long previous; |
---|
274 | |
---|
275 | if (current_bit != 0) { |
---|
276 | previous = _Atomic_Fetch_and_ulong( |
---|
277 | &ctx->atomic_value, |
---|
278 | ~the_bit, |
---|
279 | ATOMIC_ORDER_RELAXED |
---|
280 | ); |
---|
281 | current_bit = 0; |
---|
282 | } else { |
---|
283 | previous = _Atomic_Fetch_or_ulong( |
---|
284 | &ctx->atomic_value, |
---|
285 | the_bit, |
---|
286 | ATOMIC_ORDER_RELAXED |
---|
287 | ); |
---|
288 | current_bit = the_bit; |
---|
289 | } |
---|
290 | |
---|
291 | rtems_test_assert((previous & the_bit) != current_bit); |
---|
292 | } |
---|
293 | |
---|
294 | ctx->per_worker_value[worker_index] = current_bit; |
---|
295 | } |
---|
296 | |
---|
297 | static void test_atomic_or_and_fini(test_context *ctx) |
---|
298 | { |
---|
299 | test_fini(ctx, "or/and", true); |
---|
300 | } |
---|
301 | |
---|
302 | static const test_case test_cases[] = { |
---|
303 | { |
---|
304 | test_atomic_add_init, |
---|
305 | test_atomic_add_body, |
---|
306 | test_atomic_add_fini |
---|
307 | }, { |
---|
308 | test_atomic_flag_init, |
---|
309 | test_atomic_flag_body, |
---|
310 | test_atomic_flag_fini |
---|
311 | }, { |
---|
312 | test_atomic_sub_init, |
---|
313 | test_atomic_sub_body, |
---|
314 | test_atomic_sub_fini |
---|
315 | }, { |
---|
316 | test_atomic_compare_exchange_init, |
---|
317 | test_atomic_compare_exchange_body, |
---|
318 | test_atomic_compare_exchange_fini |
---|
319 | }, { |
---|
320 | test_atomic_or_and_init, |
---|
321 | test_atomic_or_and_body, |
---|
322 | test_atomic_or_and_fini |
---|
323 | }, |
---|
324 | }; |
---|
325 | |
---|
326 | #define TEST_COUNT RTEMS_ARRAY_SIZE(test_cases) |
---|
327 | |
---|
328 | static void stop_worker_timer(rtems_id timer_id, void *arg) |
---|
329 | { |
---|
330 | test_context *ctx = arg; |
---|
331 | |
---|
332 | _Atomic_Store_ulong(&ctx->stop, 1, ATOMIC_ORDER_RELAXED); |
---|
333 | } |
---|
334 | |
---|
335 | static void start_worker_stop_timer(test_context *ctx) |
---|
336 | { |
---|
337 | rtems_status_code sc; |
---|
338 | |
---|
339 | _Atomic_Store_ulong(&ctx->stop, 0, ATOMIC_ORDER_RELEASE); |
---|
340 | |
---|
341 | sc = rtems_timer_fire_after( |
---|
342 | ctx->stop_worker_timer_id, |
---|
343 | rtems_clock_get_ticks_per_second(), |
---|
344 | stop_worker_timer, |
---|
345 | ctx |
---|
346 | ); |
---|
347 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
---|
348 | } |
---|
349 | |
---|
350 | static void run_tests(test_context *ctx, size_t worker_index) |
---|
351 | { |
---|
352 | SMP_barrier_State bs = SMP_BARRIER_STATE_INITIALIZER; |
---|
353 | size_t test; |
---|
354 | |
---|
355 | for (test = 0; test < TEST_COUNT; ++test) { |
---|
356 | const test_case *tc = &test_cases[test]; |
---|
357 | |
---|
358 | if (is_master_worker(worker_index)) { |
---|
359 | start_worker_stop_timer(ctx); |
---|
360 | (*tc->init)(ctx); |
---|
361 | } |
---|
362 | |
---|
363 | _SMP_barrier_Wait(&ctx->barrier, &bs, ctx->worker_count); |
---|
364 | |
---|
365 | (*tc->body)(ctx, worker_index); |
---|
366 | |
---|
367 | _SMP_barrier_Wait(&ctx->barrier, &bs, ctx->worker_count); |
---|
368 | |
---|
369 | if (is_master_worker(worker_index)) { |
---|
370 | (*tc->fini)(ctx); |
---|
371 | } |
---|
372 | } |
---|
373 | } |
---|
374 | |
---|
375 | static void worker_task(size_t worker_index) |
---|
376 | { |
---|
377 | test_context *ctx = &test_instance; |
---|
378 | |
---|
379 | run_tests(ctx, worker_index); |
---|
380 | |
---|
381 | (void) rtems_task_suspend(RTEMS_SELF); |
---|
382 | rtems_test_assert(0); |
---|
383 | } |
---|
384 | |
---|
385 | static void test_static_and_dynamic_initialization(void) |
---|
386 | { |
---|
387 | static Atomic_Uint static_uint = |
---|
388 | ATOMIC_INITIALIZER_UINT(0xc01dc0feU); |
---|
389 | static Atomic_Ulong static_ulong = |
---|
390 | ATOMIC_INITIALIZER_ULONG(0xdeadbeefUL); |
---|
391 | static Atomic_Pointer static_ptr = |
---|
392 | ATOMIC_INITIALIZER_PTR(&static_ptr); |
---|
393 | static Atomic_Flag static_flag = ATOMIC_INITIALIZER_FLAG; |
---|
394 | |
---|
395 | Atomic_Uint stack_uint; |
---|
396 | Atomic_Ulong stack_ulong; |
---|
397 | Atomic_Pointer stack_ptr; |
---|
398 | Atomic_Flag stack_flag; |
---|
399 | |
---|
400 | puts("=== static and dynamic initialization test case ==="); |
---|
401 | |
---|
402 | _Atomic_Init_uint(&stack_uint, 0xc01dc0feU); |
---|
403 | _Atomic_Init_ulong(&stack_ulong, 0xdeadbeefUL); |
---|
404 | _Atomic_Init_ptr(&stack_ptr, &static_ptr); |
---|
405 | _Atomic_Flag_clear(&stack_flag, ATOMIC_ORDER_RELAXED); |
---|
406 | |
---|
407 | rtems_test_assert( |
---|
408 | memcmp(&stack_uint, &static_uint, sizeof(stack_uint)) == 0 |
---|
409 | ); |
---|
410 | rtems_test_assert( |
---|
411 | memcmp(&stack_ulong, &static_ulong, sizeof(stack_ulong)) == 0 |
---|
412 | ); |
---|
413 | rtems_test_assert( |
---|
414 | memcmp(&stack_ptr, &static_ptr, sizeof(stack_ptr)) == 0 |
---|
415 | ); |
---|
416 | rtems_test_assert( |
---|
417 | memcmp(&stack_flag, &static_flag, sizeof(stack_flag)) == 0 |
---|
418 | ); |
---|
419 | |
---|
420 | rtems_test_assert( |
---|
421 | _Atomic_Load_uint(&stack_uint, ATOMIC_ORDER_RELAXED) == 0xc01dc0feU |
---|
422 | ); |
---|
423 | rtems_test_assert( |
---|
424 | _Atomic_Load_ulong(&stack_ulong, ATOMIC_ORDER_RELAXED) == 0xdeadbeefUL |
---|
425 | ); |
---|
426 | rtems_test_assert( |
---|
427 | _Atomic_Load_ptr(&stack_ptr, ATOMIC_ORDER_RELAXED) == &static_ptr |
---|
428 | ); |
---|
429 | rtems_test_assert( |
---|
430 | !_Atomic_Flag_test_and_set(&stack_flag, ATOMIC_ORDER_RELAXED) |
---|
431 | ); |
---|
432 | } |
---|
433 | |
---|
434 | static void test(void) |
---|
435 | { |
---|
436 | test_context *ctx = &test_instance; |
---|
437 | rtems_status_code sc; |
---|
438 | size_t worker_index; |
---|
439 | |
---|
440 | test_static_and_dynamic_initialization(); |
---|
441 | |
---|
442 | ctx->worker_count = rtems_smp_get_processor_count(); |
---|
443 | |
---|
444 | sc = rtems_timer_create( |
---|
445 | rtems_build_name('S', 'T', 'O', 'P'), |
---|
446 | &ctx->stop_worker_timer_id |
---|
447 | ); |
---|
448 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
---|
449 | |
---|
450 | for (worker_index = 1; worker_index < ctx->worker_count; ++worker_index) { |
---|
451 | rtems_id worker_id; |
---|
452 | |
---|
453 | sc = rtems_task_create( |
---|
454 | rtems_build_name('W', 'O', 'R', 'K'), |
---|
455 | WORKER_PRIORITY, |
---|
456 | RTEMS_MINIMUM_STACK_SIZE, |
---|
457 | RTEMS_DEFAULT_MODES, |
---|
458 | RTEMS_DEFAULT_ATTRIBUTES, |
---|
459 | &worker_id |
---|
460 | ); |
---|
461 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
---|
462 | |
---|
463 | sc = rtems_task_start(worker_id, worker_task, worker_index); |
---|
464 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
---|
465 | } |
---|
466 | |
---|
467 | run_tests(ctx, 0); |
---|
468 | } |
---|
469 | |
---|
470 | typedef void (*simple_test_body)(test_context *ctx); |
---|
471 | |
---|
472 | static void test_simple_atomic_add_body(test_context *ctx) |
---|
473 | { |
---|
474 | unsigned int ia = 8, ib = 4; |
---|
475 | unsigned int ic; |
---|
476 | unsigned long a = 2, b = 1; |
---|
477 | unsigned long c; |
---|
478 | |
---|
479 | puts("=== atomic simple add test case ==\n"); |
---|
480 | |
---|
481 | _Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED); |
---|
482 | _Atomic_Fetch_add_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED); |
---|
483 | ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED); |
---|
484 | rtems_test_assert(ic == (ia + ib)); |
---|
485 | |
---|
486 | _Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED); |
---|
487 | _Atomic_Fetch_add_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED); |
---|
488 | c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED); |
---|
489 | rtems_test_assert(c == (a + b)); |
---|
490 | } |
---|
491 | |
---|
492 | static void test_simple_atomic_sub_body(test_context *ctx) |
---|
493 | { |
---|
494 | unsigned int ia = 8, ib = 4; |
---|
495 | unsigned int ic; |
---|
496 | unsigned long a = 2, b = 1; |
---|
497 | unsigned long c; |
---|
498 | |
---|
499 | puts("=== atomic simple sub test case ==\n"); |
---|
500 | |
---|
501 | _Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED); |
---|
502 | _Atomic_Fetch_sub_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED); |
---|
503 | ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED); |
---|
504 | rtems_test_assert(ic == (ia - ib)); |
---|
505 | |
---|
506 | _Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED); |
---|
507 | _Atomic_Fetch_sub_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED); |
---|
508 | c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED); |
---|
509 | rtems_test_assert(c == (a - b)); |
---|
510 | } |
---|
511 | |
---|
512 | static void test_simple_atomic_or_body(test_context *ctx) |
---|
513 | { |
---|
514 | unsigned int ia = 8, ib = 4; |
---|
515 | unsigned int ic; |
---|
516 | unsigned long a = 2, b = 1; |
---|
517 | unsigned long c; |
---|
518 | |
---|
519 | puts("=== atomic simple or test case ==\n"); |
---|
520 | |
---|
521 | _Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED); |
---|
522 | _Atomic_Fetch_or_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED); |
---|
523 | ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED); |
---|
524 | rtems_test_assert(ic == (ia | ib)); |
---|
525 | |
---|
526 | _Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED); |
---|
527 | _Atomic_Fetch_or_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED); |
---|
528 | c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED); |
---|
529 | rtems_test_assert(c == (a | b)); |
---|
530 | } |
---|
531 | |
---|
532 | static void test_simple_atomic_and_body(test_context *ctx) |
---|
533 | { |
---|
534 | unsigned int ia = 8, ib = 4; |
---|
535 | unsigned int ic; |
---|
536 | unsigned long a = 2, b = 1; |
---|
537 | unsigned long c; |
---|
538 | |
---|
539 | puts("=== atomic simple and test case ==\n"); |
---|
540 | |
---|
541 | _Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED); |
---|
542 | _Atomic_Fetch_and_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED); |
---|
543 | ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED); |
---|
544 | rtems_test_assert(ic == (ia & ib)); |
---|
545 | |
---|
546 | _Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED); |
---|
547 | _Atomic_Fetch_and_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED); |
---|
548 | c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED); |
---|
549 | rtems_test_assert(c == (a & b)); |
---|
550 | } |
---|
551 | |
---|
552 | static void test_simple_atomic_exchange_body(test_context *ctx) |
---|
553 | { |
---|
554 | unsigned int ia = 8, ib = 4; |
---|
555 | unsigned int ic; |
---|
556 | unsigned long a = 2, b = 1; |
---|
557 | unsigned long c; |
---|
558 | |
---|
559 | puts("=== atomic simple exchange test case ==\n"); |
---|
560 | |
---|
561 | _Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED); |
---|
562 | _Atomic_Exchange_uint(&ctx->atomic_int_value, ib, ATOMIC_ORDER_RELAXED); |
---|
563 | ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED); |
---|
564 | rtems_test_assert(ic == ib); |
---|
565 | |
---|
566 | _Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED); |
---|
567 | _Atomic_Exchange_ulong(&ctx->atomic_value, b, ATOMIC_ORDER_RELAXED); |
---|
568 | c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED); |
---|
569 | rtems_test_assert(c == b); |
---|
570 | } |
---|
571 | |
---|
572 | static void test_simple_atomic_compare_exchange_body(test_context *ctx) |
---|
573 | { |
---|
574 | unsigned int ia = 8, ib = 4; |
---|
575 | unsigned int ic; |
---|
576 | unsigned long a = 2, b = 1; |
---|
577 | unsigned long c; |
---|
578 | |
---|
579 | puts("=== atomic simple compare exchange test case ==\n"); |
---|
580 | |
---|
581 | _Atomic_Store_uint(&ctx->atomic_int_value, ia, ATOMIC_ORDER_RELAXED); |
---|
582 | _Atomic_Compare_exchange_uint(&ctx->atomic_int_value, &ia, ib, |
---|
583 | ATOMIC_ORDER_RELAXED, ATOMIC_ORDER_RELAXED); |
---|
584 | ic = _Atomic_Load_uint(&ctx->atomic_int_value, ATOMIC_ORDER_RELAXED); |
---|
585 | rtems_test_assert(ic == ib); |
---|
586 | |
---|
587 | _Atomic_Store_ulong(&ctx->atomic_value, a, ATOMIC_ORDER_RELAXED); |
---|
588 | _Atomic_Compare_exchange_ulong(&ctx->atomic_value, &a, b, |
---|
589 | ATOMIC_ORDER_RELAXED, ATOMIC_ORDER_RELAXED); |
---|
590 | c = _Atomic_Load_ulong(&ctx->atomic_value, ATOMIC_ORDER_RELAXED); |
---|
591 | rtems_test_assert(c == b); |
---|
592 | } |
---|
593 | |
---|
594 | static const simple_test_body simple_test_bodies[] = { |
---|
595 | test_simple_atomic_add_body, |
---|
596 | test_simple_atomic_sub_body, |
---|
597 | test_simple_atomic_or_body, |
---|
598 | test_simple_atomic_and_body, |
---|
599 | test_simple_atomic_exchange_body, |
---|
600 | test_simple_atomic_compare_exchange_body, |
---|
601 | }; |
---|
602 | |
---|
603 | #define SIMPLE_TEST_COUNT RTEMS_ARRAY_SIZE(simple_test_bodies) |
---|
604 | |
---|
605 | static void simple_tests(void) |
---|
606 | { |
---|
607 | test_context *ctx = &test_instance; |
---|
608 | size_t test; |
---|
609 | |
---|
610 | for (test = 0; test < SIMPLE_TEST_COUNT; ++test) { |
---|
611 | const simple_test_body *test_body = &simple_test_bodies[test]; |
---|
612 | |
---|
613 | (*test_body)(ctx); |
---|
614 | } |
---|
615 | } |
---|
616 | |
---|
617 | static void Init(rtems_task_argument arg) |
---|
618 | { |
---|
619 | puts("\n\n*** TEST SMPATOMIC 1 ***"); |
---|
620 | |
---|
621 | simple_tests(); |
---|
622 | |
---|
623 | test(); |
---|
624 | |
---|
625 | puts("*** END OF TEST SMPATOMIC 1 ***"); |
---|
626 | |
---|
627 | rtems_test_exit(0); |
---|
628 | } |
---|
629 | |
---|
630 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
---|
631 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
---|
632 | |
---|
633 | #define CONFIGURE_SMP_APPLICATION |
---|
634 | |
---|
635 | #define CONFIGURE_SMP_MAXIMUM_PROCESSORS CPU_COUNT |
---|
636 | |
---|
637 | #define CONFIGURE_MAXIMUM_TASKS CPU_COUNT |
---|
638 | |
---|
639 | #define CONFIGURE_MAXIMUM_TIMERS 1 |
---|
640 | |
---|
641 | #define CONFIGURE_INIT_TASK_PRIORITY MASTER_PRIORITY |
---|
642 | #define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES |
---|
643 | #define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES |
---|
644 | |
---|
645 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
---|
646 | |
---|
647 | #define CONFIGURE_INIT |
---|
648 | |
---|
649 | #include <rtems/confdefs.h> |
---|