1 /*-----------------------------------------------------------------------------
2  *      Name:         CV_CoreInstr.c
3  *      Purpose:      CMSIS CORE validation tests implementation
4  *-----------------------------------------------------------------------------
5  *      Copyright (c) 2017 - 2021 Arm Limited. All rights reserved.
6  *----------------------------------------------------------------------------*/
7 
8 #include "CV_Framework.h"
9 #include "cmsis_cv.h"
10 
11 #if defined(__CORTEX_M)
12 #elif defined(__CORTEX_A)
13 #include "irq_ctrl.h"
14 #else
15 #error __CORTEX_M or __CORTEX_A must be defined!
16 #endif
17 
18 /*-----------------------------------------------------------------------------
19  *      Test implementation
20  *----------------------------------------------------------------------------*/
21 
22 /*-----------------------------------------------------------------------------
23  *      Test cases
24  *----------------------------------------------------------------------------*/
25 
26 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
27 /**
28 \brief Test case: TC_CoreInstr_NOP
29 \details
30 - Check if __NOP instrinsic is available
31 - No real assertion is deployed, just a compile time check.
32 */
TC_CoreInstr_NOP(void)33 void TC_CoreInstr_NOP (void) {
34   __NOP();
35   ASSERT_TRUE(1U == 1U);
36 }
37 
38 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
39 /**
40 \brief Test case: TC_CoreInstr_SEV
41 \details
42 - Check if __SEV instrinsic is available
43 - No real assertion is deployed, just a compile time check.
44 */
TC_CoreInstr_SEV(void)45 void TC_CoreInstr_SEV (void) {
46   __SEV();
47   ASSERT_TRUE(1U == 1U);
48 }
49 
50 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
51 /**
52 \brief Test case: TC_CoreInstr_BKPT
53 \details
54 - Check if __BKPT instrinsic is available
55 - No real assertion is deployed, just a compile time check.
56 */
TC_CoreInstr_BKPT(void)57 void TC_CoreInstr_BKPT (void) {
58   __BKPT(0xABU);
59   ASSERT_TRUE(1U == 1U);
60 }
61 
62 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
63 /**
64 \brief Test case: TC_CoreInstr_ISB
65 \details
66 - Check if __ISB instrinsic is available
67 - No real assertion is deployed, just a compile time check.
68 */
TC_CoreInstr_ISB(void)69 void TC_CoreInstr_ISB (void) {
70   __ISB();
71   ASSERT_TRUE(1U == 1U);
72 }
73 
74 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
75 /**
76 \brief Test case: TC_CoreInstr_DSB
77 \details
78 - Check if __DSB instrinsic is available
79 - No real assertion is deployed, just a compile time check.
80 */
TC_CoreInstr_DSB(void)81 void TC_CoreInstr_DSB (void) {
82   __DSB();
83   ASSERT_TRUE(1U == 1U);
84 }
85 
86 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
87 /**
88 \brief Test case: TC_CoreInstr_DMB
89 \details
90 - Check if __DNB instrinsic is available
91 - No real assertion is deployed, just a compile time check.
92 */
TC_CoreInstr_DMB(void)93 void TC_CoreInstr_DMB (void) {
94   __DMB();
95   ASSERT_TRUE(1U == 1U);
96 }
97 
98 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
99 /**
100 \brief Test case: TC_CoreInstr_WFI
101 \details
102 - Check if __WFI instrinsic is available
103 - No real assertion is deployed, just a compile time check.
104 */
TC_CoreInstr_WFI(void)105 void TC_CoreInstr_WFI (void) {
106   __WFI();
107   ASSERT_TRUE(1U == 1U);
108 }
109 
110 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
111 /**
112 \brief Test case: TC_CoreInstr_WFE
113 \details
114 - Check if __WFE instrinsic is available
115 - No real assertion is deployed, just a compile time check.
116 */
TC_CoreInstr_WFE(void)117 void TC_CoreInstr_WFE (void) {
118   __WFE();
119   ASSERT_TRUE(1U == 1U);
120 }
121 
122 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
123 /**
124 \brief Test case: TC_CoreInstr_REV
125 \details
126 - Check if __REV instrinsic swaps all bytes in a word.
127 */
TC_CoreInstr_REV(void)128 void TC_CoreInstr_REV (void) {
129   volatile uint32_t op1_u32;
130   volatile uint32_t res_u32;
131 
132   op1_u32 = 0x47110815U;
133   res_u32 = __REV(op1_u32);
134   ASSERT_TRUE(res_u32 == 0x15081147U);
135 
136   op1_u32 = 0x80000000U;
137   res_u32 = __REV(op1_u32);
138   ASSERT_TRUE(res_u32 == 0x00000080U);
139 
140   op1_u32 = 0x00000080U;
141   res_u32 = __REV(op1_u32);
142   ASSERT_TRUE(res_u32 == 0x80000000U);
143 }
144 
145 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
146 /**
147 \brief Test case: TC_CoreInstr_REV16
148 \details
149 - Check if __REV16 instrinsic swaps the bytes in both halfwords independendly.
150 */
TC_CoreInstr_REV16(void)151 void TC_CoreInstr_REV16(void) {
152   volatile uint32_t op1_u32;
153   volatile uint32_t res_u32;
154 
155   op1_u32 = 0x47110815U;
156   res_u32 = __REV16(op1_u32);
157   ASSERT_TRUE(res_u32 == 0x11471508U);
158 
159   op1_u32 = 0x00001234U;
160   res_u32 = __REV16(op1_u32);
161   ASSERT_TRUE(res_u32 == 0x00003412U);
162 }
163 
164 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
165 /**
166 \brief Test case: TC_CoreInstr_REVSH
167 \details
168 - Check if __REVSH instrinsic swaps bytes in a signed halfword keeping the sign.
169 */
TC_CoreInstr_REVSH(void)170 void TC_CoreInstr_REVSH(void) {
171   volatile int16_t value  = 0U;
172            int16_t result = 0U;
173 
174   value = 0x4711;
175   result = __REVSH(value);
176   ASSERT_TRUE(result == 0x1147);
177 
178   value = (int16_t)0x8000;
179   result = __REVSH(value);
180   ASSERT_TRUE(result == 0x0080);
181 
182   value = 0x0080;
183   result = __REVSH(value);
184   ASSERT_TRUE(result == (int16_t)0x8000);
185 
186   value = -0x1234;
187   result = __REVSH(value);
188   ASSERT_TRUE(result == (int16_t)0xcced);
189 }
190 
191 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
192 /**
193 \brief Test case: TC_CoreInstr_RBIT
194 \details
195 - Check if __RBIT instrinsic revserses the bit order of arbitrary words.
196 */
TC_CoreInstr_RBIT(void)197 void TC_CoreInstr_RBIT (void) {
198   volatile uint32_t value  = 0U;
199            uint32_t result = 0U;
200 
201   value = 0xAAAAAAAAU;
202   result = __RBIT(value);
203   ASSERT_TRUE(result == 0x55555555U);
204 
205   value = 0x55555555U;
206   result = __RBIT(value);
207   ASSERT_TRUE(result == 0xAAAAAAAAU);
208 
209   value = 0x00000001U;
210   result = __RBIT(value);
211   ASSERT_TRUE(result == 0x80000000U);
212 
213   value = 0x80000000U;
214   result = __RBIT(value);
215   ASSERT_TRUE(result == 0x00000001U);
216 
217   value = 0xDEADBEEFU;
218   result = __RBIT(value);
219   ASSERT_TRUE(result == 0xF77DB57BU);
220 }
221 
222 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
223 /**
224 \brief Test case: TC_CoreInstr_ROR
225 \details
226 - Check if __ROR instrinsic moves all bits as expected.
227 */
TC_CoreInstr_ROR(void)228 void TC_CoreInstr_ROR(void) {
229   volatile uint32_t value  = 0U;
230            uint32_t result = 0U;
231 
232   value = 0x00000001U;
233   result = __ROR(value, 1U);
234   ASSERT_TRUE(result == 0x80000000U);
235 
236   value = 0x80000000U;
237   result = __ROR(value, 1U);
238   ASSERT_TRUE(result == 0x40000000U);
239 
240   value = 0x40000000U;
241   result = __ROR(value, 30U);
242   ASSERT_TRUE(result == 0x00000001U);
243 
244   value = 0x00000001U;
245   result = __ROR(value, 32U);
246   ASSERT_TRUE(result == 0x00000001U);
247 
248   value = 0x08154711U;
249   result = __ROR(value, 8U);
250   ASSERT_TRUE(result == 0x11081547U);
251 }
252 
253 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
254 /**
255 \brief Test case: TC_CoreInstr_CLZ
256 \details
257 - Check if __CLZ instrinsic counts leading zeros.
258 */
TC_CoreInstr_CLZ(void)259 void TC_CoreInstr_CLZ (void) {
260   volatile uint32_t value  = 0U;
261            uint32_t result = 0U;
262 
263   value = 0x00000000U;
264   result = __CLZ(value);
265   ASSERT_TRUE(result == 32);
266 
267   value = 0x00000001U;
268   result = __CLZ(value);
269   ASSERT_TRUE(result == 31);
270 
271   value = 0x40000000U;
272   result = __CLZ(value);
273   ASSERT_TRUE(result == 1);
274 
275   value = 0x80000000U;
276   result = __CLZ(value);
277   ASSERT_TRUE(result == 0);
278 
279   value = 0xFFFFFFFFU;
280   result = __CLZ(value);
281   ASSERT_TRUE(result == 0);
282 
283   value = 0x80000001U;
284   result = __CLZ(value);
285   ASSERT_TRUE(result == 0);
286 }
287 
288 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
289 /**
290 \brief Test case: TC_CoreInstr_SSAT
291 \details
292 - Check if __SSAT instrinsic saturates signed integer values.
293 */
TC_CoreInstr_SSAT(void)294 void TC_CoreInstr_SSAT (void) {
295   volatile int32_t value  = 0;
296            int32_t result = 0;
297 
298   value = INT32_MAX;
299   result = __SSAT(value, 32U);
300   ASSERT_TRUE(result == INT32_MAX);
301 
302   value = INT32_MAX;
303   result = __SSAT(value, 16U);
304   ASSERT_TRUE(result == INT16_MAX);
305 
306   value = INT32_MAX;
307   result = __SSAT(value, 8U);
308   ASSERT_TRUE(result == INT8_MAX);
309 
310   value = INT32_MAX;
311   result = __SSAT(value, 1U);
312   ASSERT_TRUE(result == 0);
313 
314   value = INT32_MIN;
315   result = __SSAT(value, 32U);
316   ASSERT_TRUE(result == INT32_MIN);
317 
318   value = INT32_MIN;
319   result = __SSAT(value, 16U);
320   ASSERT_TRUE(result == INT16_MIN);
321 
322   value = INT32_MIN;
323   result = __SSAT(value, 8U);
324   ASSERT_TRUE(result == INT8_MIN);
325 
326   value = INT32_MIN;
327   result = __SSAT(value, 1U);
328   ASSERT_TRUE(result == -1);
329 }
330 
331 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
332 /**
333 \brief Test case: TC_CoreInstr_USAT
334 \details
335 - Check if __USAT instrinsic saturates unsigned integer values.
336 */
TC_CoreInstr_USAT(void)337 void TC_CoreInstr_USAT (void) {
338   volatile  int32_t value  = 0U;
339            uint32_t result = 0U;
340 
341   value = INT32_MAX;
342   result = __USAT(value, 31U);
343   ASSERT_TRUE(result == (UINT32_MAX >> 1U));
344 
345   value = INT32_MAX;
346   result = __USAT(value, 16U);
347   ASSERT_TRUE(result == UINT16_MAX);
348 
349   value = INT32_MAX;
350   result = __USAT(value, 8U);
351   ASSERT_TRUE(result == UINT8_MAX);
352 
353   value = INT32_MAX;
354   result = __USAT(value, 0U);
355   ASSERT_TRUE(result == 0U);
356 
357   value = INT32_MIN;
358   result = __USAT(value, 31U);
359   ASSERT_TRUE(result == 0U);
360 
361   value = INT32_MIN;
362   result = __USAT(value, 16U);
363   ASSERT_TRUE(result == 0U);
364 
365   value = INT32_MIN;
366   result = __USAT(value, 8U);
367   ASSERT_TRUE(result == 0U);
368 
369   value = INT32_MIN;
370   result = __USAT(value, 0U);
371   ASSERT_TRUE(result == 0U);
372 }
373 
374 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
375 /**
376 \brief Test case: TC_CoreInstr_RRX
377 \details
378 - Check if __USAT instrinsic saturates unsigned integer values.
379 */
TC_CoreInstr_RRX(void)380 void TC_CoreInstr_RRX (void) {
381 #if ((defined (__ARM_ARCH_7M__        ) && (__ARM_ARCH_7M__        == 1)) || \
382      (defined (__ARM_ARCH_7EM__       ) && (__ARM_ARCH_7EM__       == 1)) || \
383      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
384      (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1))    )
385 
386   volatile uint32_t  value  = 0U;
387   volatile uint32_t  result = 0U;
388   volatile xPSR_Type xPSR;
389 
390   value = 0x80000002;
391   xPSR.w = __get_xPSR();
392   result = __RRX(value);
393   ASSERT_TRUE(result == (0x40000001 | (uint32_t)(xPSR.b.C << 31)));
394 #endif
395 }
396 
397 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
398 #if ((defined (__ARM_ARCH_7M__        ) && (__ARM_ARCH_7M__        == 1)) || \
399      (defined (__ARM_ARCH_7EM__       ) && (__ARM_ARCH_7EM__       == 1)) || \
400      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
401      (defined (__ARM_ARCH_8M_BASE__   ) && (__ARM_ARCH_8M_BASE__   == 1)) || \
402      (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) || \
403      (defined(__CORTEX_A)                                               )    )
404 
405 /// Exclusive byte value
406 static volatile uint8_t TC_CoreInstr_LoadStoreExclusive_byte = 0x47U;
407 
408 /// Exclusive halfword value
409 static volatile uint16_t TC_CoreInstr_LoadStoreExclusive_hword = 0x0815U;
410 
411 /// Exclusive word value
412 static volatile uint32_t TC_CoreInstr_LoadStoreExclusive_word = 0x08154711U;
413 
414 /**
415 \brief Interrupt function for TC_CoreInstr_LoadStoreExclusive
416 \details
417 The interrupt manipulates all the global data
418 which disrupts the exclusive sequences in the test
419 */
TC_CoreInstr_LoadStoreExclusive_IRQHandler(void)420 static void TC_CoreInstr_LoadStoreExclusive_IRQHandler(void) {
421 
422   const uint8_t b = __LDREXB(&TC_CoreInstr_LoadStoreExclusive_byte);
423   __STREXB((uint8_t)~b, &TC_CoreInstr_LoadStoreExclusive_byte);
424 
425   const uint16_t hw = __LDREXH(&TC_CoreInstr_LoadStoreExclusive_hword);
426   __STREXH((uint16_t)~hw, &TC_CoreInstr_LoadStoreExclusive_hword);
427 
428   const uint32_t w = __LDREXW(&TC_CoreInstr_LoadStoreExclusive_word);
429   __STREXW((uint32_t)~w, &TC_CoreInstr_LoadStoreExclusive_word);
430 }
431 
432 /**
433 \brief Helper function for TC_CoreInstr_LoadStoreExclusive to enable test interrupt.
434 \details
435 This helper function implements interrupt enabling according to target
436 architecture, i.e. Cortex-A or Cortex-M.
437 */
TC_CoreInstr_LoadStoreExclusive_IRQEnable(void)438 static void TC_CoreInstr_LoadStoreExclusive_IRQEnable(void) {
439 #if defined(__CORTEX_M)
440   TST_IRQHandler = TC_CoreInstr_LoadStoreExclusive_IRQHandler;
441   NVIC_EnableIRQ(Interrupt0_IRQn);
442 #elif defined(__CORTEX_A)
443   IRQ_SetHandler(SGI0_IRQn, TC_CoreInstr_LoadStoreExclusive_IRQHandler);
444   IRQ_Enable(SGI0_IRQn);
445 #else
446   #error __CORTEX_M or __CORTEX_A must be defined!
447 #endif
448   __enable_irq();
449 }
450 
451 /**
452 \brief Helper function for TC_CoreInstr_LoadStoreExclusive to set test interrupt pending.
453 \details
454 This helper function implements set pending the test interrupt according to target
455 architecture, i.e. Cortex-A or Cortex-M.
456 */
TC_CoreInstr_LoadStoreExclusive_IRQPend(void)457 static void TC_CoreInstr_LoadStoreExclusive_IRQPend(void) {
458 #if defined(__CORTEX_M)
459   NVIC_SetPendingIRQ(Interrupt0_IRQn);
460 #elif defined(__CORTEX_A)
461   IRQ_SetPending(SGI0_IRQn);
462 #else
463   #error __CORTEX_M or __CORTEX_A must be defined!
464 #endif
465   for(uint32_t i = 10U; i > 0U; --i) {}
466 }
467 
468 /**
469 \brief Helper function for TC_CoreInstr_LoadStoreExclusive to disable test interrupt.
470 \details
471 This helper function implements interrupt disabling according to target
472 architecture, i.e. Cortex-A or Cortex-M.
473 */
TC_CoreInstr_LoadStoreExclusive_IRQDisable(void)474 static void TC_CoreInstr_LoadStoreExclusive_IRQDisable(void) {
475   __disable_irq();
476 #if defined(__CORTEX_M)
477   NVIC_DisableIRQ(Interrupt0_IRQn);
478   TST_IRQHandler = NULL;
479 #elif defined(__CORTEX_A)
480   IRQ_Disable(SGI0_IRQn);
481   IRQ_SetHandler(SGI0_IRQn, NULL);
482 #else
483   #error __CORTEX_M or __CORTEX_A must be defined!
484 #endif
485 }
486 #endif
487 
488 /**
489 \brief Test case: TC_CoreInstr_LoadStoreExclusive
490 \details
491 Checks exclusive load and store instructions:
492 - LDREXB, LDREXH, LDREXW
493 - STREXB, STREXH, STREXW
494 - CLREX
495 */
TC_CoreInstr_LoadStoreExclusive(void)496 void TC_CoreInstr_LoadStoreExclusive (void) {
497 #if ((defined (__ARM_ARCH_7M__        ) && (__ARM_ARCH_7M__        == 1)) || \
498      (defined (__ARM_ARCH_7EM__       ) && (__ARM_ARCH_7EM__       == 1)) || \
499      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
500      (defined (__ARM_ARCH_8M_BASE__   ) && (__ARM_ARCH_8M_BASE__   == 1)) || \
501      (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) || \
502      (defined(__CORTEX_A)                                               )    )
503   uint8_t  u8,  u8Inv;
504   uint16_t u16, u16Inv;
505   uint32_t u32, u32Inv;
506   uint32_t result;
507 
508   /* 1. Test exclusives without interruption */
509   u8 = __LDREXB(&TC_CoreInstr_LoadStoreExclusive_byte);
510   ASSERT_TRUE(u8 == TC_CoreInstr_LoadStoreExclusive_byte);
511 
512   result = __STREXB(u8+1U, &TC_CoreInstr_LoadStoreExclusive_byte);
513   ASSERT_TRUE(result == 0U);
514   ASSERT_TRUE(TC_CoreInstr_LoadStoreExclusive_byte == u8+1U);
515 
516   u16 = __LDREXH(&TC_CoreInstr_LoadStoreExclusive_hword);
517   ASSERT_TRUE(u16 == TC_CoreInstr_LoadStoreExclusive_hword);
518 
519   result = __STREXH(u16+1U, &TC_CoreInstr_LoadStoreExclusive_hword);
520   ASSERT_TRUE(result == 0U);
521   ASSERT_TRUE(TC_CoreInstr_LoadStoreExclusive_hword == u16+1U);
522 
523   u32 = __LDREXW(&TC_CoreInstr_LoadStoreExclusive_word);
524   ASSERT_TRUE(u32 == TC_CoreInstr_LoadStoreExclusive_word);
525 
526   result = __STREXW(u32+1U, &TC_CoreInstr_LoadStoreExclusive_word);
527   ASSERT_TRUE(result == 0U);
528   ASSERT_TRUE(TC_CoreInstr_LoadStoreExclusive_word == u32+1U);
529 
530   /* 2. Test exclusives with clear */
531   u8 = __LDREXB(&TC_CoreInstr_LoadStoreExclusive_byte);
532   ASSERT_TRUE(u8 == TC_CoreInstr_LoadStoreExclusive_byte);
533 
534   __CLREX();
535 
536   result = __STREXB(u8+1U, &TC_CoreInstr_LoadStoreExclusive_byte);
537   ASSERT_TRUE(result == 1U);
538   ASSERT_TRUE(TC_CoreInstr_LoadStoreExclusive_byte == u8);
539 
540   u16 = __LDREXH(&TC_CoreInstr_LoadStoreExclusive_hword);
541   ASSERT_TRUE(u16 == TC_CoreInstr_LoadStoreExclusive_hword);
542 
543   __CLREX();
544 
545   result = __STREXH(u16+1U, &TC_CoreInstr_LoadStoreExclusive_hword);
546   ASSERT_TRUE(result == 1U);
547   ASSERT_TRUE(TC_CoreInstr_LoadStoreExclusive_hword == u16);
548 
549   u32 = __LDREXW(&TC_CoreInstr_LoadStoreExclusive_word);
550   ASSERT_TRUE(u32 == TC_CoreInstr_LoadStoreExclusive_word);
551 
552   __CLREX();
553 
554   result = __STREXW(u32+1U, &TC_CoreInstr_LoadStoreExclusive_word);
555   ASSERT_TRUE(result == 1U);
556   ASSERT_TRUE(TC_CoreInstr_LoadStoreExclusive_word == u32);
557 
558   /* 3. Test exclusives with interruption */
559   TC_CoreInstr_LoadStoreExclusive_IRQEnable();
560 
561   u8 = __LDREXB(&TC_CoreInstr_LoadStoreExclusive_byte);
562   ASSERT_TRUE(u8 == TC_CoreInstr_LoadStoreExclusive_byte);
563 
564   TC_CoreInstr_LoadStoreExclusive_IRQPend();
565 
566   result = __STREXB(u8+1U, &TC_CoreInstr_LoadStoreExclusive_byte);
567   ASSERT_TRUE(result == 1U);
568   u8Inv = (uint8_t)~u8;
569   ASSERT_TRUE(u8Inv == TC_CoreInstr_LoadStoreExclusive_byte);
570 
571   u16 = __LDREXH(&TC_CoreInstr_LoadStoreExclusive_hword);
572   ASSERT_TRUE(u16 == TC_CoreInstr_LoadStoreExclusive_hword);
573 
574   TC_CoreInstr_LoadStoreExclusive_IRQPend();
575 
576   result = __STREXH(u16+1U, &TC_CoreInstr_LoadStoreExclusive_hword);
577   ASSERT_TRUE(result == 1U);
578   u16Inv = (uint16_t)~u16;
579   ASSERT_TRUE(u16Inv == TC_CoreInstr_LoadStoreExclusive_hword);
580 
581   u32 = __LDREXW(&TC_CoreInstr_LoadStoreExclusive_word);
582   ASSERT_TRUE(u32 == TC_CoreInstr_LoadStoreExclusive_word);
583 
584   TC_CoreInstr_LoadStoreExclusive_IRQPend();
585 
586   result = __STREXW(u32+1U, &TC_CoreInstr_LoadStoreExclusive_word);
587   ASSERT_TRUE(result == 1U);
588   u32Inv = (uint32_t)~u32;
589   ASSERT_TRUE(u32Inv == TC_CoreInstr_LoadStoreExclusive_word);
590 
591   TC_CoreInstr_LoadStoreExclusive_IRQDisable();
592 #endif
593 }
594 
595 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
596 #if ((defined (__ARM_ARCH_7M__        ) && (__ARM_ARCH_7M__        == 1)) || \
597      (defined (__ARM_ARCH_7EM__       ) && (__ARM_ARCH_7EM__       == 1)) || \
598      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
599      (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1))    )
600 
601 /// byte value unprivileged access
602 static volatile uint8_t TC_CoreInstr_LoadStoreUnpriv_byte = 0x47U;
603 
604 /// halfword value unprivileged access
605 static volatile uint16_t TC_CoreInstr_LoadStoreUnpriv_hword = 0x0815U;
606 
607 /// word value unprivileged access
608 static volatile uint32_t TC_CoreInstr_LoadStoreUnpriv_word = 0x08154711U;
609 #endif
610 
611 
612 /**
613 \brief Test case: TC_CoreInstr_LoadStoreUnpriv
614 \details
615 Checks load/store unprivileged instructions:
616 - LDRBT, LDRHT, LDRT
617 - STRBT, STRHT, STRT
618 */
TC_CoreInstr_LoadStoreUnpriv(void)619 void TC_CoreInstr_LoadStoreUnpriv (void) {
620 #if ((defined (__ARM_ARCH_7M__        ) && (__ARM_ARCH_7M__        == 1)) || \
621      (defined (__ARM_ARCH_7EM__       ) && (__ARM_ARCH_7EM__       == 1)) || \
622      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
623      (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1))    )
624   uint8_t  u8     = 0U;
625   uint16_t u16    = 0U;
626   uint32_t u32    = 0U;
627 
628   /* 1. Test without interruption */
629   u8 = __LDRBT(&TC_CoreInstr_LoadStoreUnpriv_byte);
630   ASSERT_TRUE(u8 == TC_CoreInstr_LoadStoreUnpriv_byte);
631 
632   __STRBT(u8+1U, &TC_CoreInstr_LoadStoreUnpriv_byte);
633   ASSERT_TRUE(TC_CoreInstr_LoadStoreUnpriv_byte == u8+1U);
634 
635   u16 = __LDRHT(&TC_CoreInstr_LoadStoreUnpriv_hword);
636   ASSERT_TRUE(u16 == TC_CoreInstr_LoadStoreUnpriv_hword);
637 
638   __STRHT(u16+1U, &TC_CoreInstr_LoadStoreUnpriv_hword);
639   ASSERT_TRUE(TC_CoreInstr_LoadStoreUnpriv_hword == u16+1U);
640 
641   u32 = __LDRT(&TC_CoreInstr_LoadStoreUnpriv_word);
642   ASSERT_TRUE(u32 == TC_CoreInstr_LoadStoreUnpriv_word);
643 
644   __STRT(u32+1U, &TC_CoreInstr_LoadStoreUnpriv_word);
645   ASSERT_TRUE(TC_CoreInstr_LoadStoreUnpriv_word == u32+1U);
646 #endif
647 }
648 
649 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
650 #if ((defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) || \
651      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
652      (defined (__ARM_ARCH_8M_BASE__   ) && (__ARM_ARCH_8M_BASE__   == 1))    )
653 
654 /// byte value unprivileged access
655 static volatile uint8_t TC_CoreInstr_LoadStoreAcquire_byte = 0x47U;
656 
657 /// halfword value unprivileged access
658 static volatile uint16_t TC_CoreInstr_LoadStoreAcquire_hword = 0x0815U;
659 
660 /// word value unprivileged access
661 static volatile uint32_t TC_CoreInstr_LoadStoreAcquire_word = 0x08154711U;
662 #endif
663 
664 
665 /**
666 \brief Test case: TC_CoreInstr_LoadStoreAquire
667 \details
668 Checks Load-Acquire and Store-Release instructions:
669 - LDAB, LDAH, LDA
670 - STLB, STLH, STL
671 */
TC_CoreInstr_LoadStoreAcquire(void)672 void TC_CoreInstr_LoadStoreAcquire (void) {
673 #if ((defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) || \
674      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
675      (defined (__ARM_ARCH_8M_BASE__   ) && (__ARM_ARCH_8M_BASE__   == 1))    )
676   uint8_t  u8     = 0U;
677   uint16_t u16    = 0U;
678   uint32_t u32    = 0U;
679 
680   /* 1. Test without interruption */
681   u8 = __LDAB(&TC_CoreInstr_LoadStoreAcquire_byte);
682   ASSERT_TRUE(u8 == TC_CoreInstr_LoadStoreAcquire_byte);
683 
684   __STLB(u8+1U, &TC_CoreInstr_LoadStoreAcquire_byte);
685   ASSERT_TRUE(TC_CoreInstr_LoadStoreAcquire_byte == u8+1U);
686 
687   u16 = __LDAH(&TC_CoreInstr_LoadStoreAcquire_hword);
688   ASSERT_TRUE(u16 == TC_CoreInstr_LoadStoreAcquire_hword);
689 
690   __STLH(u16+1U, &TC_CoreInstr_LoadStoreAcquire_hword);
691   ASSERT_TRUE(TC_CoreInstr_LoadStoreAcquire_hword == u16+1U);
692 
693   u32 = __LDA(&TC_CoreInstr_LoadStoreAcquire_word);
694   ASSERT_TRUE(u32 == TC_CoreInstr_LoadStoreAcquire_word);
695 
696   __STL(u32+1U, &TC_CoreInstr_LoadStoreAcquire_word);
697   ASSERT_TRUE(TC_CoreInstr_LoadStoreAcquire_word == u32+1U);
698 #endif
699 }
700 
701 /*=======0=========1=========2=========3=========4=========5=========6=========7=========8=========9=========0=========1====*/
702 #if ((defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) || \
703      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
704      (defined (__ARM_ARCH_8M_BASE__   ) && (__ARM_ARCH_8M_BASE__   == 1))    )
705 
706 /// byte value unprivileged access
707 static volatile uint8_t TC_CoreInstr_LoadStoreAcquireExclusive_byte = 0x47U;
708 
709 /// halfword value unprivileged access
710 static volatile uint16_t TC_CoreInstr_LoadStoreAcquireExclusive_hword = 0x0815U;
711 
712 /// word value unprivileged access
713 static volatile uint32_t TC_CoreInstr_LoadStoreAcquireExclusive_word = 0x08154711U;
714 #endif
715 
716 
717 /**
718 \brief Test case: TC_CoreInstr_LoadStoreAquire
719 \details
720 Checks Load-Acquire and Store-Release exclusive instructions:
721 - LDAEXB, LDAEXH, LDAEX
722 - STLEXB, STLEXH, STLEX
723 */
TC_CoreInstr_LoadStoreAcquireExclusive(void)724 void TC_CoreInstr_LoadStoreAcquireExclusive (void) {
725 #if ((defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) || \
726      (defined (__ARM_ARCH_8M_MAIN__   ) && (__ARM_ARCH_8M_MAIN__   == 1)) || \
727      (defined (__ARM_ARCH_8M_BASE__   ) && (__ARM_ARCH_8M_BASE__   == 1))    )
728   uint8_t  u8     = 0U;
729   uint16_t u16    = 0U;
730   uint32_t u32    = 0U;
731   uint32_t result = 0U;
732 
733   /* 1. Test without interruption */
734   u8 = __LDAEXB(&TC_CoreInstr_LoadStoreAcquireExclusive_byte);
735   ASSERT_TRUE(u8 == TC_CoreInstr_LoadStoreAcquireExclusive_byte);
736 
737   result = __STLEXB(u8+1U, &TC_CoreInstr_LoadStoreAcquireExclusive_byte);
738   ASSERT_TRUE(result == 0U);
739   ASSERT_TRUE(TC_CoreInstr_LoadStoreAcquireExclusive_byte == u8+1U);
740 
741   u16 = __LDAEXH(&TC_CoreInstr_LoadStoreAcquireExclusive_hword);
742   ASSERT_TRUE(u16 == TC_CoreInstr_LoadStoreAcquireExclusive_hword);
743 
744   result = __STLEXH(u16+1U, &TC_CoreInstr_LoadStoreAcquireExclusive_hword);
745   ASSERT_TRUE(result == 0U);
746   ASSERT_TRUE(TC_CoreInstr_LoadStoreAcquireExclusive_hword == u16+1U);
747 
748   u32 = __LDAEX(&TC_CoreInstr_LoadStoreAcquireExclusive_word);
749   ASSERT_TRUE(u32 == TC_CoreInstr_LoadStoreAcquireExclusive_word);
750 
751   result = __STLEX(u32+1U, &TC_CoreInstr_LoadStoreAcquireExclusive_word);
752   ASSERT_TRUE(result == 0U);
753   ASSERT_TRUE(TC_CoreInstr_LoadStoreAcquireExclusive_word == u32+1U);
754 #endif
755 }
756 
757 
758 /**
759 \brief Test case: TC_CoreInstr_UnalignedUint16
760 \details
761 Checks macro functions to access unaligned uint16_t values:
762 - __UNALIGNED_UINT16_READ
763 - __UNALIGNED_UINT16_WRITE
764 */
TC_CoreInstr_UnalignedUint16(void)765 void TC_CoreInstr_UnalignedUint16(void) {
766   uint8_t buffer[3] = { 0U, 0U, 0U };
767   uint16_t val;
768 
769   for(int i=0; i<2; i++) {
770     __UNALIGNED_UINT16_WRITE(&(buffer[i]), 0x4711U);
771     ASSERT_TRUE(buffer[i]       == 0x11U);
772     ASSERT_TRUE(buffer[i+1]     == 0x47U);
773     ASSERT_TRUE(buffer[(i+2)%3] == 0x00U);
774 
775     buffer[i] = 0x12U;
776     buffer[i+1] = 0x46U;
777 
778     val = __UNALIGNED_UINT16_READ(&(buffer[i]));
779     ASSERT_TRUE(val == 0x4612U);
780 
781     buffer[i]   = 0x00U;
782     buffer[i+1] = 0x00U;
783   }
784 }
785 
786 
787 /**
788 \brief Test case: TC_CoreInstr_UnalignedUint32
789 \details
790 Checks macro functions to access unaligned uint32_t values:
791 - __UNALIGNED_UINT32_READ
792 - __UNALIGNED_UINT32_WRITE
793 */
TC_CoreInstr_UnalignedUint32(void)794 void TC_CoreInstr_UnalignedUint32(void) {
795   uint8_t buffer[7] = { 0U, 0U, 0U, 0U, 0U, 0U, 0U };
796   uint32_t val;
797 
798   for(int i=0; i<4; i++) {
799     __UNALIGNED_UINT32_WRITE(&(buffer[i]), 0x08154711UL);
800     ASSERT_TRUE(buffer[i+0]     == 0x11U);
801     ASSERT_TRUE(buffer[i+1]     == 0x47U);
802     ASSERT_TRUE(buffer[i+2]     == 0x15U);
803     ASSERT_TRUE(buffer[i+3]     == 0x08U);
804     ASSERT_TRUE(buffer[(i+4)%7] == 0x00U);
805     ASSERT_TRUE(buffer[(i+5)%7] == 0x00U);
806     ASSERT_TRUE(buffer[(i+6)%7] == 0x00U);
807 
808     buffer[i+0] = 0x12U;
809     buffer[i+1] = 0x46U;
810     buffer[i+2] = 0x14U;
811     buffer[i+3] = 0x09U;
812 
813     val = __UNALIGNED_UINT32_READ(&(buffer[i]));
814     ASSERT_TRUE(val == 0x09144612UL);
815 
816     buffer[i+0] = 0x00U;
817     buffer[i+1] = 0x00U;
818     buffer[i+2] = 0x00U;
819     buffer[i+3] = 0x00U;
820   }
821 }
822