cmsis_gcc.h 61 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168
  1. /**************************************************************************//**
  2. * @file cmsis_gcc.h
  3. * @brief CMSIS compiler GCC header file
  4. * @version V5.2.0
  5. * @date 08. May 2019
  6. ******************************************************************************/
  7. /*
  8. * Copyright (c) 2009-2019 Arm Limited. All rights reserved.
  9. *
  10. * SPDX-License-Identifier: Apache-2.0
  11. *
  12. * Licensed under the Apache License, Version 2.0 (the License); you may
  13. * not use this file except in compliance with the License.
  14. * You may obtain a copy of the License at
  15. *
  16. * www.apache.org/licenses/LICENSE-2.0
  17. *
  18. * Unless required by applicable law or agreed to in writing, software
  19. * distributed under the License is distributed on an AS IS BASIS, WITHOUT
  20. * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  21. * See the License for the specific language governing permissions and
  22. * limitations under the License.
  23. */
  24. #ifndef __CMSIS_GCC_H
  25. #define __CMSIS_GCC_H
  26. /* ignore some GCC warnings */
  27. #pragma GCC diagnostic push
  28. #pragma GCC diagnostic ignored "-Wsign-conversion"
  29. #pragma GCC diagnostic ignored "-Wconversion"
  30. #pragma GCC diagnostic ignored "-Wunused-parameter"
  31. /* Fallback for __has_builtin */
  32. #ifndef __has_builtin
  33. #define __has_builtin(x) (0)
  34. #endif
  35. /* CMSIS compiler specific defines */
  36. #ifndef __ASM
  37. #define __ASM __asm
  38. #endif
  39. #ifndef __INLINE
  40. #define __INLINE inline
  41. #endif
  42. #ifndef __STATIC_INLINE
  43. #define __STATIC_INLINE static inline
  44. #endif
  45. #ifndef __STATIC_FORCEINLINE
  46. #define __STATIC_FORCEINLINE __attribute__((always_inline)) static inline
  47. #endif
  48. #ifndef __NO_RETURN
  49. #define __NO_RETURN __attribute__((__noreturn__))
  50. #endif
  51. #ifndef __USED
  52. #define __USED __attribute__((used))
  53. #endif
  54. #ifndef __WEAK
  55. #define __WEAK __attribute__((weak))
  56. #endif
  57. #ifndef __PACKED
  58. #define __PACKED __attribute__((packed, aligned(1)))
  59. #endif
  60. #ifndef __PACKED_STRUCT
  61. #define __PACKED_STRUCT struct __attribute__((packed, aligned(1)))
  62. #endif
  63. #ifndef __PACKED_UNION
  64. #define __PACKED_UNION union __attribute__((packed, aligned(1)))
  65. #endif
  66. #ifndef __UNALIGNED_UINT32 /* deprecated */
  67. #pragma GCC diagnostic push
  68. #pragma GCC diagnostic ignored "-Wpacked"
  69. #pragma GCC diagnostic ignored "-Wattributes"
  70. struct __attribute__((packed)) T_UINT32 { uint32_t v; };
  71. #pragma GCC diagnostic pop
  72. #define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v)
  73. #endif
  74. #ifndef __UNALIGNED_UINT16_WRITE
  75. #pragma GCC diagnostic push
  76. #pragma GCC diagnostic ignored "-Wpacked"
  77. #pragma GCC diagnostic ignored "-Wattributes"
  78. __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; };
  79. #pragma GCC diagnostic pop
  80. #define __UNALIGNED_UINT16_WRITE(addr, val) (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val))
  81. #endif
  82. #ifndef __UNALIGNED_UINT16_READ
  83. #pragma GCC diagnostic push
  84. #pragma GCC diagnostic ignored "-Wpacked"
  85. #pragma GCC diagnostic ignored "-Wattributes"
  86. __PACKED_STRUCT T_UINT16_READ { uint16_t v; };
  87. #pragma GCC diagnostic pop
  88. #define __UNALIGNED_UINT16_READ(addr) (((const struct T_UINT16_READ *)(const void *)(addr))->v)
  89. #endif
  90. #ifndef __UNALIGNED_UINT32_WRITE
  91. #pragma GCC diagnostic push
  92. #pragma GCC diagnostic ignored "-Wpacked"
  93. #pragma GCC diagnostic ignored "-Wattributes"
  94. __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
  95. #pragma GCC diagnostic pop
  96. #define __UNALIGNED_UINT32_WRITE(addr, val) (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val))
  97. #endif
  98. #ifndef __UNALIGNED_UINT32_READ
  99. #pragma GCC diagnostic push
  100. #pragma GCC diagnostic ignored "-Wpacked"
  101. #pragma GCC diagnostic ignored "-Wattributes"
  102. __PACKED_STRUCT T_UINT32_READ { uint32_t v; };
  103. #pragma GCC diagnostic pop
  104. #define __UNALIGNED_UINT32_READ(addr) (((const struct T_UINT32_READ *)(const void *)(addr))->v)
  105. #endif
  106. #ifndef __ALIGNED
  107. #define __ALIGNED(x) __attribute__((aligned(x)))
  108. #endif
  109. #ifndef __RESTRICT
  110. #define __RESTRICT __restrict
  111. #endif
  112. #ifndef __COMPILER_BARRIER
  113. #define __COMPILER_BARRIER() __ASM volatile("":::"memory")
  114. #endif
  115. /* ######################### Startup and Lowlevel Init ######################## */
  116. #ifndef __PROGRAM_START
  117. /**
  118. \brief Initializes data and bss sections
  119. \details This default implementations initialized all data and additional bss
  120. sections relying on .copy.table and .zero.table specified properly
  121. in the used linker script.
  122. */
  123. __STATIC_FORCEINLINE __NO_RETURN void __cmsis_start(void)
  124. {
  125. extern void _start(void) __NO_RETURN;
  126. typedef struct {
  127. uint32_t const* src;
  128. uint32_t* dest;
  129. uint32_t wlen;
  130. } __copy_table_t;
  131. typedef struct {
  132. uint32_t* dest;
  133. uint32_t wlen;
  134. } __zero_table_t;
  135. extern const __copy_table_t __copy_table_start__;
  136. extern const __copy_table_t __copy_table_end__;
  137. extern const __zero_table_t __zero_table_start__;
  138. extern const __zero_table_t __zero_table_end__;
  139. for (__copy_table_t const* pTable = &__copy_table_start__; pTable < &__copy_table_end__; ++pTable) {
  140. for(uint32_t i=0u; i<pTable->wlen; ++i) {
  141. pTable->dest[i] = pTable->src[i];
  142. }
  143. }
  144. for (__zero_table_t const* pTable = &__zero_table_start__; pTable < &__zero_table_end__; ++pTable) {
  145. for(uint32_t i=0u; i<pTable->wlen; ++i) {
  146. pTable->dest[i] = 0u;
  147. }
  148. }
  149. _start();
  150. }
  151. #define __PROGRAM_START __cmsis_start
  152. #endif
  153. #ifndef __INITIAL_SP
  154. #define __INITIAL_SP __StackTop
  155. #endif
  156. #ifndef __STACK_LIMIT
  157. #define __STACK_LIMIT __StackLimit
  158. #endif
  159. #ifndef __VECTOR_TABLE
  160. #define __VECTOR_TABLE __Vectors
  161. #endif
  162. #ifndef __VECTOR_TABLE_ATTRIBUTE
  163. #define __VECTOR_TABLE_ATTRIBUTE __attribute((used, section(".vectors")))
  164. #endif
  165. /* ########################### Core Function Access ########################### */
  166. /** \ingroup CMSIS_Core_FunctionInterface
  167. \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
  168. @{
  169. */
  170. /**
  171. \brief Enable IRQ Interrupts
  172. \details Enables IRQ interrupts by clearing the I-bit in the CPSR.
  173. Can only be executed in Privileged modes.
  174. */
  175. __STATIC_FORCEINLINE void __enable_irq(void)
  176. {
  177. __ASM volatile ("cpsie i" : : : "memory");
  178. }
  179. /**
  180. \brief Disable IRQ Interrupts
  181. \details Disables IRQ interrupts by setting the I-bit in the CPSR.
  182. Can only be executed in Privileged modes.
  183. */
  184. __STATIC_FORCEINLINE void __disable_irq(void)
  185. {
  186. __ASM volatile ("cpsid i" : : : "memory");
  187. }
  188. /**
  189. \brief Get Control Register
  190. \details Returns the content of the Control Register.
  191. \return Control Register value
  192. */
  193. __STATIC_FORCEINLINE uint32_t __get_CONTROL(void)
  194. {
  195. uint32_t result;
  196. __ASM volatile ("MRS %0, control" : "=r" (result) );
  197. return(result);
  198. }
  199. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  200. /**
  201. \brief Get Control Register (non-secure)
  202. \details Returns the content of the non-secure Control Register when in secure mode.
  203. \return non-secure Control Register value
  204. */
  205. __STATIC_FORCEINLINE uint32_t __TZ_get_CONTROL_NS(void)
  206. {
  207. uint32_t result;
  208. __ASM volatile ("MRS %0, control_ns" : "=r" (result) );
  209. return(result);
  210. }
  211. #endif
  212. /**
  213. \brief Set Control Register
  214. \details Writes the given value to the Control Register.
  215. \param [in] control Control Register value to set
  216. */
  217. __STATIC_FORCEINLINE void __set_CONTROL(uint32_t control)
  218. {
  219. __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
  220. }
  221. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  222. /**
  223. \brief Set Control Register (non-secure)
  224. \details Writes the given value to the non-secure Control Register when in secure state.
  225. \param [in] control Control Register value to set
  226. */
  227. __STATIC_FORCEINLINE void __TZ_set_CONTROL_NS(uint32_t control)
  228. {
  229. __ASM volatile ("MSR control_ns, %0" : : "r" (control) : "memory");
  230. }
  231. #endif
  232. /**
  233. \brief Get IPSR Register
  234. \details Returns the content of the IPSR Register.
  235. \return IPSR Register value
  236. */
  237. __STATIC_FORCEINLINE uint32_t __get_IPSR(void)
  238. {
  239. uint32_t result;
  240. __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
  241. return(result);
  242. }
  243. /**
  244. \brief Get APSR Register
  245. \details Returns the content of the APSR Register.
  246. \return APSR Register value
  247. */
  248. __STATIC_FORCEINLINE uint32_t __get_APSR(void)
  249. {
  250. uint32_t result;
  251. __ASM volatile ("MRS %0, apsr" : "=r" (result) );
  252. return(result);
  253. }
  254. /**
  255. \brief Get xPSR Register
  256. \details Returns the content of the xPSR Register.
  257. \return xPSR Register value
  258. */
  259. __STATIC_FORCEINLINE uint32_t __get_xPSR(void)
  260. {
  261. uint32_t result;
  262. __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
  263. return(result);
  264. }
  265. /**
  266. \brief Get Process Stack Pointer
  267. \details Returns the current value of the Process Stack Pointer (PSP).
  268. \return PSP Register value
  269. */
  270. __STATIC_FORCEINLINE uint32_t __get_PSP(void)
  271. {
  272. uint32_t result;
  273. __ASM volatile ("MRS %0, psp" : "=r" (result) );
  274. return(result);
  275. }
  276. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  277. /**
  278. \brief Get Process Stack Pointer (non-secure)
  279. \details Returns the current value of the non-secure Process Stack Pointer (PSP) when in secure state.
  280. \return PSP Register value
  281. */
  282. __STATIC_FORCEINLINE uint32_t __TZ_get_PSP_NS(void)
  283. {
  284. uint32_t result;
  285. __ASM volatile ("MRS %0, psp_ns" : "=r" (result) );
  286. return(result);
  287. }
  288. #endif
  289. /**
  290. \brief Set Process Stack Pointer
  291. \details Assigns the given value to the Process Stack Pointer (PSP).
  292. \param [in] topOfProcStack Process Stack Pointer value to set
  293. */
  294. __STATIC_FORCEINLINE void __set_PSP(uint32_t topOfProcStack)
  295. {
  296. __ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : );
  297. }
  298. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  299. /**
  300. \brief Set Process Stack Pointer (non-secure)
  301. \details Assigns the given value to the non-secure Process Stack Pointer (PSP) when in secure state.
  302. \param [in] topOfProcStack Process Stack Pointer value to set
  303. */
  304. __STATIC_FORCEINLINE void __TZ_set_PSP_NS(uint32_t topOfProcStack)
  305. {
  306. __ASM volatile ("MSR psp_ns, %0" : : "r" (topOfProcStack) : );
  307. }
  308. #endif
  309. /**
  310. \brief Get Main Stack Pointer
  311. \details Returns the current value of the Main Stack Pointer (MSP).
  312. \return MSP Register value
  313. */
  314. __STATIC_FORCEINLINE uint32_t __get_MSP(void)
  315. {
  316. uint32_t result;
  317. __ASM volatile ("MRS %0, msp" : "=r" (result) );
  318. return(result);
  319. }
  320. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  321. /**
  322. \brief Get Main Stack Pointer (non-secure)
  323. \details Returns the current value of the non-secure Main Stack Pointer (MSP) when in secure state.
  324. \return MSP Register value
  325. */
  326. __STATIC_FORCEINLINE uint32_t __TZ_get_MSP_NS(void)
  327. {
  328. uint32_t result;
  329. __ASM volatile ("MRS %0, msp_ns" : "=r" (result) );
  330. return(result);
  331. }
  332. #endif
  333. /**
  334. \brief Set Main Stack Pointer
  335. \details Assigns the given value to the Main Stack Pointer (MSP).
  336. \param [in] topOfMainStack Main Stack Pointer value to set
  337. */
  338. __STATIC_FORCEINLINE void __set_MSP(uint32_t topOfMainStack)
  339. {
  340. __ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : );
  341. }
  342. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  343. /**
  344. \brief Set Main Stack Pointer (non-secure)
  345. \details Assigns the given value to the non-secure Main Stack Pointer (MSP) when in secure state.
  346. \param [in] topOfMainStack Main Stack Pointer value to set
  347. */
  348. __STATIC_FORCEINLINE void __TZ_set_MSP_NS(uint32_t topOfMainStack)
  349. {
  350. __ASM volatile ("MSR msp_ns, %0" : : "r" (topOfMainStack) : );
  351. }
  352. #endif
  353. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  354. /**
  355. \brief Get Stack Pointer (non-secure)
  356. \details Returns the current value of the non-secure Stack Pointer (SP) when in secure state.
  357. \return SP Register value
  358. */
  359. __STATIC_FORCEINLINE uint32_t __TZ_get_SP_NS(void)
  360. {
  361. uint32_t result;
  362. __ASM volatile ("MRS %0, sp_ns" : "=r" (result) );
  363. return(result);
  364. }
  365. /**
  366. \brief Set Stack Pointer (non-secure)
  367. \details Assigns the given value to the non-secure Stack Pointer (SP) when in secure state.
  368. \param [in] topOfStack Stack Pointer value to set
  369. */
  370. __STATIC_FORCEINLINE void __TZ_set_SP_NS(uint32_t topOfStack)
  371. {
  372. __ASM volatile ("MSR sp_ns, %0" : : "r" (topOfStack) : );
  373. }
  374. #endif
  375. /**
  376. \brief Get Priority Mask
  377. \details Returns the current state of the priority mask bit from the Priority Mask Register.
  378. \return Priority Mask value
  379. */
  380. __STATIC_FORCEINLINE uint32_t __get_PRIMASK(void)
  381. {
  382. uint32_t result;
  383. __ASM volatile ("MRS %0, primask" : "=r" (result) :: "memory");
  384. return(result);
  385. }
  386. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  387. /**
  388. \brief Get Priority Mask (non-secure)
  389. \details Returns the current state of the non-secure priority mask bit from the Priority Mask Register when in secure state.
  390. \return Priority Mask value
  391. */
  392. __STATIC_FORCEINLINE uint32_t __TZ_get_PRIMASK_NS(void)
  393. {
  394. uint32_t result;
  395. __ASM volatile ("MRS %0, primask_ns" : "=r" (result) :: "memory");
  396. return(result);
  397. }
  398. #endif
  399. /**
  400. \brief Set Priority Mask
  401. \details Assigns the given value to the Priority Mask Register.
  402. \param [in] priMask Priority Mask
  403. */
  404. __STATIC_FORCEINLINE void __set_PRIMASK(uint32_t priMask)
  405. {
  406. __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
  407. }
  408. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  409. /**
  410. \brief Set Priority Mask (non-secure)
  411. \details Assigns the given value to the non-secure Priority Mask Register when in secure state.
  412. \param [in] priMask Priority Mask
  413. */
  414. __STATIC_FORCEINLINE void __TZ_set_PRIMASK_NS(uint32_t priMask)
  415. {
  416. __ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory");
  417. }
  418. #endif
  419. #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
  420. (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
  421. (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
  422. /**
  423. \brief Enable FIQ
  424. \details Enables FIQ interrupts by clearing the F-bit in the CPSR.
  425. Can only be executed in Privileged modes.
  426. */
  427. __STATIC_FORCEINLINE void __enable_fault_irq(void)
  428. {
  429. __ASM volatile ("cpsie f" : : : "memory");
  430. }
  431. /**
  432. \brief Disable FIQ
  433. \details Disables FIQ interrupts by setting the F-bit in the CPSR.
  434. Can only be executed in Privileged modes.
  435. */
  436. __STATIC_FORCEINLINE void __disable_fault_irq(void)
  437. {
  438. __ASM volatile ("cpsid f" : : : "memory");
  439. }
  440. /**
  441. \brief Get Base Priority
  442. \details Returns the current value of the Base Priority register.
  443. \return Base Priority register value
  444. */
  445. __STATIC_FORCEINLINE uint32_t __get_BASEPRI(void)
  446. {
  447. uint32_t result;
  448. __ASM volatile ("MRS %0, basepri" : "=r" (result) );
  449. return(result);
  450. }
  451. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  452. /**
  453. \brief Get Base Priority (non-secure)
  454. \details Returns the current value of the non-secure Base Priority register when in secure state.
  455. \return Base Priority register value
  456. */
  457. __STATIC_FORCEINLINE uint32_t __TZ_get_BASEPRI_NS(void)
  458. {
  459. uint32_t result;
  460. __ASM volatile ("MRS %0, basepri_ns" : "=r" (result) );
  461. return(result);
  462. }
  463. #endif
  464. /**
  465. \brief Set Base Priority
  466. \details Assigns the given value to the Base Priority register.
  467. \param [in] basePri Base Priority value to set
  468. */
  469. __STATIC_FORCEINLINE void __set_BASEPRI(uint32_t basePri)
  470. {
  471. __ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory");
  472. }
  473. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  474. /**
  475. \brief Set Base Priority (non-secure)
  476. \details Assigns the given value to the non-secure Base Priority register when in secure state.
  477. \param [in] basePri Base Priority value to set
  478. */
  479. __STATIC_FORCEINLINE void __TZ_set_BASEPRI_NS(uint32_t basePri)
  480. {
  481. __ASM volatile ("MSR basepri_ns, %0" : : "r" (basePri) : "memory");
  482. }
  483. #endif
  484. /**
  485. \brief Set Base Priority with condition
  486. \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
  487. or the new value increases the BASEPRI priority level.
  488. \param [in] basePri Base Priority value to set
  489. */
  490. __STATIC_FORCEINLINE void __set_BASEPRI_MAX(uint32_t basePri)
  491. {
  492. __ASM volatile ("MSR basepri_max, %0" : : "r" (basePri) : "memory");
  493. }
  494. /**
  495. \brief Get Fault Mask
  496. \details Returns the current value of the Fault Mask register.
  497. \return Fault Mask register value
  498. */
  499. __STATIC_FORCEINLINE uint32_t __get_FAULTMASK(void)
  500. {
  501. uint32_t result;
  502. __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
  503. return(result);
  504. }
  505. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  506. /**
  507. \brief Get Fault Mask (non-secure)
  508. \details Returns the current value of the non-secure Fault Mask register when in secure state.
  509. \return Fault Mask register value
  510. */
  511. __STATIC_FORCEINLINE uint32_t __TZ_get_FAULTMASK_NS(void)
  512. {
  513. uint32_t result;
  514. __ASM volatile ("MRS %0, faultmask_ns" : "=r" (result) );
  515. return(result);
  516. }
  517. #endif
  518. /**
  519. \brief Set Fault Mask
  520. \details Assigns the given value to the Fault Mask register.
  521. \param [in] faultMask Fault Mask value to set
  522. */
  523. __STATIC_FORCEINLINE void __set_FAULTMASK(uint32_t faultMask)
  524. {
  525. __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
  526. }
  527. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  528. /**
  529. \brief Set Fault Mask (non-secure)
  530. \details Assigns the given value to the non-secure Fault Mask register when in secure state.
  531. \param [in] faultMask Fault Mask value to set
  532. */
  533. __STATIC_FORCEINLINE void __TZ_set_FAULTMASK_NS(uint32_t faultMask)
  534. {
  535. __ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory");
  536. }
  537. #endif
  538. #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
  539. (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
  540. (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
  541. #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
  542. (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
  543. /**
  544. \brief Get Process Stack Pointer Limit
  545. Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
  546. Stack Pointer Limit register hence zero is returned always in non-secure
  547. mode.
  548. \details Returns the current value of the Process Stack Pointer Limit (PSPLIM).
  549. \return PSPLIM Register value
  550. */
  551. __STATIC_FORCEINLINE uint32_t __get_PSPLIM(void)
  552. {
  553. #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
  554. (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
  555. // without main extensions, the non-secure PSPLIM is RAZ/WI
  556. return 0U;
  557. #else
  558. uint32_t result;
  559. __ASM volatile ("MRS %0, psplim" : "=r" (result) );
  560. return result;
  561. #endif
  562. }
  563. #if (defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3))
  564. /**
  565. \brief Get Process Stack Pointer Limit (non-secure)
  566. Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
  567. Stack Pointer Limit register hence zero is returned always.
  568. \details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
  569. \return PSPLIM Register value
  570. */
  571. __STATIC_FORCEINLINE uint32_t __TZ_get_PSPLIM_NS(void)
  572. {
  573. #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)))
  574. // without main extensions, the non-secure PSPLIM is RAZ/WI
  575. return 0U;
  576. #else
  577. uint32_t result;
  578. __ASM volatile ("MRS %0, psplim_ns" : "=r" (result) );
  579. return result;
  580. #endif
  581. }
  582. #endif
  583. /**
  584. \brief Set Process Stack Pointer Limit
  585. Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
  586. Stack Pointer Limit register hence the write is silently ignored in non-secure
  587. mode.
  588. \details Assigns the given value to the Process Stack Pointer Limit (PSPLIM).
  589. \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
  590. */
  591. __STATIC_FORCEINLINE void __set_PSPLIM(uint32_t ProcStackPtrLimit)
  592. {
  593. #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
  594. (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
  595. // without main extensions, the non-secure PSPLIM is RAZ/WI
  596. (void)ProcStackPtrLimit;
  597. #else
  598. __ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit));
  599. #endif
  600. }
  601. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  602. /**
  603. \brief Set Process Stack Pointer (non-secure)
  604. Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
  605. Stack Pointer Limit register hence the write is silently ignored.
  606. \details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
  607. \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
  608. */
  609. __STATIC_FORCEINLINE void __TZ_set_PSPLIM_NS(uint32_t ProcStackPtrLimit)
  610. {
  611. #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)))
  612. // without main extensions, the non-secure PSPLIM is RAZ/WI
  613. (void)ProcStackPtrLimit;
  614. #else
  615. __ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit));
  616. #endif
  617. }
  618. #endif
  619. /**
  620. \brief Get Main Stack Pointer Limit
  621. Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
  622. Stack Pointer Limit register hence zero is returned always in non-secure
  623. mode.
  624. \details Returns the current value of the Main Stack Pointer Limit (MSPLIM).
  625. \return MSPLIM Register value
  626. */
  627. __STATIC_FORCEINLINE uint32_t __get_MSPLIM(void)
  628. {
  629. #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
  630. (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
  631. // without main extensions, the non-secure MSPLIM is RAZ/WI
  632. return 0U;
  633. #else
  634. uint32_t result;
  635. __ASM volatile ("MRS %0, msplim" : "=r" (result) );
  636. return result;
  637. #endif
  638. }
  639. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  640. /**
  641. \brief Get Main Stack Pointer Limit (non-secure)
  642. Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
  643. Stack Pointer Limit register hence zero is returned always.
  644. \details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state.
  645. \return MSPLIM Register value
  646. */
  647. __STATIC_FORCEINLINE uint32_t __TZ_get_MSPLIM_NS(void)
  648. {
  649. #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)))
  650. // without main extensions, the non-secure MSPLIM is RAZ/WI
  651. return 0U;
  652. #else
  653. uint32_t result;
  654. __ASM volatile ("MRS %0, msplim_ns" : "=r" (result) );
  655. return result;
  656. #endif
  657. }
  658. #endif
  659. /**
  660. \brief Set Main Stack Pointer Limit
  661. Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
  662. Stack Pointer Limit register hence the write is silently ignored in non-secure
  663. mode.
  664. \details Assigns the given value to the Main Stack Pointer Limit (MSPLIM).
  665. \param [in] MainStackPtrLimit Main Stack Pointer Limit value to set
  666. */
  667. __STATIC_FORCEINLINE void __set_MSPLIM(uint32_t MainStackPtrLimit)
  668. {
  669. #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
  670. (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
  671. // without main extensions, the non-secure MSPLIM is RAZ/WI
  672. (void)MainStackPtrLimit;
  673. #else
  674. __ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit));
  675. #endif
  676. }
  677. #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
  678. /**
  679. \brief Set Main Stack Pointer Limit (non-secure)
  680. Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
  681. Stack Pointer Limit register hence the write is silently ignored.
  682. \details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state.
  683. \param [in] MainStackPtrLimit Main Stack Pointer value to set
  684. */
  685. __STATIC_FORCEINLINE void __TZ_set_MSPLIM_NS(uint32_t MainStackPtrLimit)
  686. {
  687. #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)))
  688. // without main extensions, the non-secure MSPLIM is RAZ/WI
  689. (void)MainStackPtrLimit;
  690. #else
  691. __ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit));
  692. #endif
  693. }
  694. #endif
  695. #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
  696. (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
  697. /**
  698. \brief Get FPSCR
  699. \details Returns the current value of the Floating Point Status/Control register.
  700. \return Floating Point Status/Control register value
  701. */
  702. __STATIC_FORCEINLINE uint32_t __get_FPSCR(void)
  703. {
  704. #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
  705. (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
  706. #if __has_builtin(__builtin_arm_get_fpscr)
  707. // Re-enable using built-in when GCC has been fixed
  708. // || (__GNUC__ > 7) || (__GNUC__ == 7 && __GNUC_MINOR__ >= 2)
  709. /* see https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00443.html */
  710. return __builtin_arm_get_fpscr();
  711. #else
  712. uint32_t result;
  713. __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
  714. return(result);
  715. #endif
  716. #else
  717. return(0U);
  718. #endif
  719. }
  720. /**
  721. \brief Set FPSCR
  722. \details Assigns the given value to the Floating Point Status/Control register.
  723. \param [in] fpscr Floating Point Status/Control value to set
  724. */
  725. __STATIC_FORCEINLINE void __set_FPSCR(uint32_t fpscr)
  726. {
  727. #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
  728. (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
  729. #if __has_builtin(__builtin_arm_set_fpscr)
  730. // Re-enable using built-in when GCC has been fixed
  731. // || (__GNUC__ > 7) || (__GNUC__ == 7 && __GNUC_MINOR__ >= 2)
  732. /* see https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00443.html */
  733. __builtin_arm_set_fpscr(fpscr);
  734. #else
  735. __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc", "memory");
  736. #endif
  737. #else
  738. (void)fpscr;
  739. #endif
  740. }
  741. /*@} end of CMSIS_Core_RegAccFunctions */
  742. /* ########################## Core Instruction Access ######################### */
  743. /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
  744. Access to dedicated instructions
  745. @{
  746. */
  747. /* Define macros for porting to both thumb1 and thumb2.
  748. * For thumb1, use low register (r0-r7), specified by constraint "l"
  749. * Otherwise, use general registers, specified by constraint "r" */
  750. #if defined (__thumb__) && !defined (__thumb2__)
  751. #define __CMSIS_GCC_OUT_REG(r) "=l" (r)
  752. #define __CMSIS_GCC_RW_REG(r) "+l" (r)
  753. #define __CMSIS_GCC_USE_REG(r) "l" (r)
  754. #else
  755. #define __CMSIS_GCC_OUT_REG(r) "=r" (r)
  756. #define __CMSIS_GCC_RW_REG(r) "+r" (r)
  757. #define __CMSIS_GCC_USE_REG(r) "r" (r)
  758. #endif
  759. /**
  760. \brief No Operation
  761. \details No Operation does nothing. This instruction can be used for code alignment purposes.
  762. */
  763. #define __NOP() __ASM volatile ("nop")
  764. /**
  765. \brief Wait For Interrupt
  766. \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
  767. */
  768. #define __WFI() __ASM volatile ("wfi")
  769. /**
  770. \brief Wait For Event
  771. \details Wait For Event is a hint instruction that permits the processor to enter
  772. a low-power state until one of a number of events occurs.
  773. */
  774. #define __WFE() __ASM volatile ("wfe")
  775. /**
  776. \brief Send Event
  777. \details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
  778. */
  779. #define __SEV() __ASM volatile ("sev")
  780. /**
  781. \brief Instruction Synchronization Barrier
  782. \details Instruction Synchronization Barrier flushes the pipeline in the processor,
  783. so that all instructions following the ISB are fetched from cache or memory,
  784. after the instruction has been completed.
  785. */
  786. __STATIC_FORCEINLINE void __ISB(void)
  787. {
  788. __ASM volatile ("isb 0xF":::"memory");
  789. }
  790. /**
  791. \brief Data Synchronization Barrier
  792. \details Acts as a special kind of Data Memory Barrier.
  793. It completes when all explicit memory accesses before this instruction complete.
  794. */
  795. __STATIC_FORCEINLINE void __DSB(void)
  796. {
  797. __ASM volatile ("dsb 0xF":::"memory");
  798. }
  799. /**
  800. \brief Data Memory Barrier
  801. \details Ensures the apparent order of the explicit memory operations before
  802. and after the instruction, without ensuring their completion.
  803. */
  804. __STATIC_FORCEINLINE void __DMB(void)
  805. {
  806. __ASM volatile ("dmb 0xF":::"memory");
  807. }
  808. /**
  809. \brief Reverse byte order (32 bit)
  810. \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412.
  811. \param [in] value Value to reverse
  812. \return Reversed value
  813. */
  814. __STATIC_FORCEINLINE uint32_t __REV(uint32_t value)
  815. {
  816. #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
  817. return __builtin_bswap32(value);
  818. #else
  819. uint32_t result;
  820. __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
  821. return result;
  822. #endif
  823. }
  824. /**
  825. \brief Reverse byte order (16 bit)
  826. \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856.
  827. \param [in] value Value to reverse
  828. \return Reversed value
  829. */
  830. __STATIC_FORCEINLINE uint32_t __REV16(uint32_t value)
  831. {
  832. uint32_t result;
  833. __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
  834. return result;
  835. }
  836. /**
  837. \brief Reverse byte order (16 bit)
  838. \details Reverses the byte order in a 16-bit value and returns the signed 16-bit result. For example, 0x0080 becomes 0x8000.
  839. \param [in] value Value to reverse
  840. \return Reversed value
  841. */
  842. __STATIC_FORCEINLINE int16_t __REVSH(int16_t value)
  843. {
  844. #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
  845. return (int16_t)__builtin_bswap16(value);
  846. #else
  847. int16_t result;
  848. __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
  849. return result;
  850. #endif
  851. }
  852. /**
  853. \brief Rotate Right in unsigned value (32 bit)
  854. \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
  855. \param [in] op1 Value to rotate
  856. \param [in] op2 Number of Bits to rotate
  857. \return Rotated value
  858. */
  859. __STATIC_FORCEINLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
  860. {
  861. op2 %= 32U;
  862. if (op2 == 0U)
  863. {
  864. return op1;
  865. }
  866. return (op1 >> op2) | (op1 << (32U - op2));
  867. }
  868. /**
  869. \brief Breakpoint
  870. \details Causes the processor to enter Debug state.
  871. Debug tools can use this to investigate system state when the instruction at a particular address is reached.
  872. \param [in] value is ignored by the processor.
  873. If required, a debugger can use it to store additional information about the breakpoint.
  874. */
  875. #define __BKPT(value) __ASM volatile ("bkpt "#value)
  876. /**
  877. \brief Reverse bit order of value
  878. \details Reverses the bit order of the given value.
  879. \param [in] value Value to reverse
  880. \return Reversed value
  881. */
  882. __STATIC_FORCEINLINE uint32_t __RBIT(uint32_t value)
  883. {
  884. uint32_t result;
  885. #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
  886. (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
  887. (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
  888. __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
  889. #else
  890. uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */
  891. result = value; /* r will be reversed bits of v; first get LSB of v */
  892. for (value >>= 1U; value != 0U; value >>= 1U)
  893. {
  894. result <<= 1U;
  895. result |= value & 1U;
  896. s--;
  897. }
  898. result <<= s; /* shift when v's highest bits are zero */
  899. #endif
  900. return result;
  901. }
  902. /**
  903. \brief Count leading zeros
  904. \details Counts the number of leading zeros of a data value.
  905. \param [in] value Value to count the leading zeros
  906. \return number of leading zeros in value
  907. */
  908. __STATIC_FORCEINLINE uint8_t __CLZ(uint32_t value)
  909. {
  910. /* Even though __builtin_clz produces a CLZ instruction on ARM, formally
  911. __builtin_clz(0) is undefined behaviour, so handle this case specially.
  912. This guarantees ARM-compatible results if happening to compile on a non-ARM
  913. target, and ensures the compiler doesn't decide to activate any
  914. optimisations using the logic "value was passed to __builtin_clz, so it
  915. is non-zero".
  916. ARM GCC 7.3 and possibly earlier will optimise this test away, leaving a
  917. single CLZ instruction.
  918. */
  919. if (value == 0U)
  920. {
  921. return 32U;
  922. }
  923. return __builtin_clz(value);
  924. }
  925. #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
  926. (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
  927. (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
  928. (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
  929. /**
  930. \brief LDR Exclusive (8 bit)
  931. \details Executes a exclusive LDR instruction for 8 bit value.
  932. \param [in] ptr Pointer to data
  933. \return value of type uint8_t at (*ptr)
  934. */
  935. __STATIC_FORCEINLINE uint8_t __LDREXB(volatile uint8_t *addr)
  936. {
  937. uint32_t result;
  938. #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
  939. __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) );
  940. #else
  941. /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
  942. accepted by assembler. So has to use following less efficient pattern.
  943. */
  944. __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
  945. #endif
  946. return ((uint8_t) result); /* Add explicit type cast here */
  947. }
  948. /**
  949. \brief LDR Exclusive (16 bit)
  950. \details Executes a exclusive LDR instruction for 16 bit values.
  951. \param [in] ptr Pointer to data
  952. \return value of type uint16_t at (*ptr)
  953. */
  954. __STATIC_FORCEINLINE uint16_t __LDREXH(volatile uint16_t *addr)
  955. {
  956. uint32_t result;
  957. #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
  958. __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) );
  959. #else
  960. /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
  961. accepted by assembler. So has to use following less efficient pattern.
  962. */
  963. __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
  964. #endif
  965. return ((uint16_t) result); /* Add explicit type cast here */
  966. }
  967. /**
  968. \brief LDR Exclusive (32 bit)
  969. \details Executes a exclusive LDR instruction for 32 bit values.
  970. \param [in] ptr Pointer to data
  971. \return value of type uint32_t at (*ptr)
  972. */
  973. __STATIC_FORCEINLINE uint32_t __LDREXW(volatile uint32_t *addr)
  974. {
  975. uint32_t result;
  976. __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) );
  977. return(result);
  978. }
  979. /**
  980. \brief STR Exclusive (8 bit)
  981. \details Executes a exclusive STR instruction for 8 bit values.
  982. \param [in] value Value to store
  983. \param [in] ptr Pointer to location
  984. \return 0 Function succeeded
  985. \return 1 Function failed
  986. */
  987. __STATIC_FORCEINLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
  988. {
  989. uint32_t result;
  990. __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
  991. return(result);
  992. }
  993. /**
  994. \brief STR Exclusive (16 bit)
  995. \details Executes a exclusive STR instruction for 16 bit values.
  996. \param [in] value Value to store
  997. \param [in] ptr Pointer to location
  998. \return 0 Function succeeded
  999. \return 1 Function failed
  1000. */
  1001. __STATIC_FORCEINLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
  1002. {
  1003. uint32_t result;
  1004. __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
  1005. return(result);
  1006. }
  1007. /**
  1008. \brief STR Exclusive (32 bit)
  1009. \details Executes a exclusive STR instruction for 32 bit values.
  1010. \param [in] value Value to store
  1011. \param [in] ptr Pointer to location
  1012. \return 0 Function succeeded
  1013. \return 1 Function failed
  1014. */
  1015. __STATIC_FORCEINLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
  1016. {
  1017. uint32_t result;
  1018. __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) );
  1019. return(result);
  1020. }
  1021. /**
  1022. \brief Remove the exclusive lock
  1023. \details Removes the exclusive lock which is created by LDREX.
  1024. */
  1025. __STATIC_FORCEINLINE void __CLREX(void)
  1026. {
  1027. __ASM volatile ("clrex" ::: "memory");
  1028. }
  1029. #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
  1030. (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
  1031. (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
  1032. (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
  1033. #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
  1034. (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
  1035. (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
  1036. /**
  1037. \brief Signed Saturate
  1038. \details Saturates a signed value.
  1039. \param [in] ARG1 Value to be saturated
  1040. \param [in] ARG2 Bit position to saturate to (1..32)
  1041. \return Saturated value
  1042. */
  1043. #define __SSAT(ARG1,ARG2) \
  1044. __extension__ \
  1045. ({ \
  1046. int32_t __RES, __ARG1 = (ARG1); \
  1047. __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
  1048. __RES; \
  1049. })
  1050. /**
  1051. \brief Unsigned Saturate
  1052. \details Saturates an unsigned value.
  1053. \param [in] ARG1 Value to be saturated
  1054. \param [in] ARG2 Bit position to saturate to (0..31)
  1055. \return Saturated value
  1056. */
  1057. #define __USAT(ARG1,ARG2) \
  1058. __extension__ \
  1059. ({ \
  1060. uint32_t __RES, __ARG1 = (ARG1); \
  1061. __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
  1062. __RES; \
  1063. })
  1064. /**
  1065. \brief Rotate Right with Extend (32 bit)
  1066. \details Moves each bit of a bitstring right by one bit.
  1067. The carry input is shifted in at the left end of the bitstring.
  1068. \param [in] value Value to rotate
  1069. \return Rotated value
  1070. */
  1071. __STATIC_FORCEINLINE uint32_t __RRX(uint32_t value)
  1072. {
  1073. uint32_t result;
  1074. __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
  1075. return(result);
  1076. }
  1077. /**
  1078. \brief LDRT Unprivileged (8 bit)
  1079. \details Executes a Unprivileged LDRT instruction for 8 bit value.
  1080. \param [in] ptr Pointer to data
  1081. \return value of type uint8_t at (*ptr)
  1082. */
  1083. __STATIC_FORCEINLINE uint8_t __LDRBT(volatile uint8_t *ptr)
  1084. {
  1085. uint32_t result;
  1086. #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
  1087. __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) );
  1088. #else
  1089. /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
  1090. accepted by assembler. So has to use following less efficient pattern.
  1091. */
  1092. __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
  1093. #endif
  1094. return ((uint8_t) result); /* Add explicit type cast here */
  1095. }
  1096. /**
  1097. \brief LDRT Unprivileged (16 bit)
  1098. \details Executes a Unprivileged LDRT instruction for 16 bit values.
  1099. \param [in] ptr Pointer to data
  1100. \return value of type uint16_t at (*ptr)
  1101. */
  1102. __STATIC_FORCEINLINE uint16_t __LDRHT(volatile uint16_t *ptr)
  1103. {
  1104. uint32_t result;
  1105. #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
  1106. __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) );
  1107. #else
  1108. /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
  1109. accepted by assembler. So has to use following less efficient pattern.
  1110. */
  1111. __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
  1112. #endif
  1113. return ((uint16_t) result); /* Add explicit type cast here */
  1114. }
  1115. /**
  1116. \brief LDRT Unprivileged (32 bit)
  1117. \details Executes a Unprivileged LDRT instruction for 32 bit values.
  1118. \param [in] ptr Pointer to data
  1119. \return value of type uint32_t at (*ptr)
  1120. */
  1121. __STATIC_FORCEINLINE uint32_t __LDRT(volatile uint32_t *ptr)
  1122. {
  1123. uint32_t result;
  1124. __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) );
  1125. return(result);
  1126. }
  1127. /**
  1128. \brief STRT Unprivileged (8 bit)
  1129. \details Executes a Unprivileged STRT instruction for 8 bit values.
  1130. \param [in] value Value to store
  1131. \param [in] ptr Pointer to location
  1132. */
  1133. __STATIC_FORCEINLINE void __STRBT(uint8_t value, volatile uint8_t *ptr)
  1134. {
  1135. __ASM volatile ("strbt %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
  1136. }
  1137. /**
  1138. \brief STRT Unprivileged (16 bit)
  1139. \details Executes a Unprivileged STRT instruction for 16 bit values.
  1140. \param [in] value Value to store
  1141. \param [in] ptr Pointer to location
  1142. */
  1143. __STATIC_FORCEINLINE void __STRHT(uint16_t value, volatile uint16_t *ptr)
  1144. {
  1145. __ASM volatile ("strht %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
  1146. }
  1147. /**
  1148. \brief STRT Unprivileged (32 bit)
  1149. \details Executes a Unprivileged STRT instruction for 32 bit values.
  1150. \param [in] value Value to store
  1151. \param [in] ptr Pointer to location
  1152. */
  1153. __STATIC_FORCEINLINE void __STRT(uint32_t value, volatile uint32_t *ptr)
  1154. {
  1155. __ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) );
  1156. }
  1157. #else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
  1158. (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
  1159. (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
  1160. /**
  1161. \brief Signed Saturate
  1162. \details Saturates a signed value.
  1163. \param [in] value Value to be saturated
  1164. \param [in] sat Bit position to saturate to (1..32)
  1165. \return Saturated value
  1166. */
  1167. __STATIC_FORCEINLINE int32_t __SSAT(int32_t val, uint32_t sat)
  1168. {
  1169. if ((sat >= 1U) && (sat <= 32U))
  1170. {
  1171. const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U);
  1172. const int32_t min = -1 - max ;
  1173. if (val > max)
  1174. {
  1175. return max;
  1176. }
  1177. else if (val < min)
  1178. {
  1179. return min;
  1180. }
  1181. }
  1182. return val;
  1183. }
  1184. /**
  1185. \brief Unsigned Saturate
  1186. \details Saturates an unsigned value.
  1187. \param [in] value Value to be saturated
  1188. \param [in] sat Bit position to saturate to (0..31)
  1189. \return Saturated value
  1190. */
  1191. __STATIC_FORCEINLINE uint32_t __USAT(int32_t val, uint32_t sat)
  1192. {
  1193. if (sat <= 31U)
  1194. {
  1195. const uint32_t max = ((1U << sat) - 1U);
  1196. if (val > (int32_t)max)
  1197. {
  1198. return max;
  1199. }
  1200. else if (val < 0)
  1201. {
  1202. return 0U;
  1203. }
  1204. }
  1205. return (uint32_t)val;
  1206. }
  1207. #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
  1208. (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
  1209. (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
  1210. #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
  1211. (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
  1212. /**
  1213. \brief Load-Acquire (8 bit)
  1214. \details Executes a LDAB instruction for 8 bit value.
  1215. \param [in] ptr Pointer to data
  1216. \return value of type uint8_t at (*ptr)
  1217. */
  1218. __STATIC_FORCEINLINE uint8_t __LDAB(volatile uint8_t *ptr)
  1219. {
  1220. uint32_t result;
  1221. __ASM volatile ("ldab %0, %1" : "=r" (result) : "Q" (*ptr) );
  1222. return ((uint8_t) result);
  1223. }
  1224. /**
  1225. \brief Load-Acquire (16 bit)
  1226. \details Executes a LDAH instruction for 16 bit values.
  1227. \param [in] ptr Pointer to data
  1228. \return value of type uint16_t at (*ptr)
  1229. */
  1230. __STATIC_FORCEINLINE uint16_t __LDAH(volatile uint16_t *ptr)
  1231. {
  1232. uint32_t result;
  1233. __ASM volatile ("ldah %0, %1" : "=r" (result) : "Q" (*ptr) );
  1234. return ((uint16_t) result);
  1235. }
  1236. /**
  1237. \brief Load-Acquire (32 bit)
  1238. \details Executes a LDA instruction for 32 bit values.
  1239. \param [in] ptr Pointer to data
  1240. \return value of type uint32_t at (*ptr)
  1241. */
  1242. __STATIC_FORCEINLINE uint32_t __LDA(volatile uint32_t *ptr)
  1243. {
  1244. uint32_t result;
  1245. __ASM volatile ("lda %0, %1" : "=r" (result) : "Q" (*ptr) );
  1246. return(result);
  1247. }
  1248. /**
  1249. \brief Store-Release (8 bit)
  1250. \details Executes a STLB instruction for 8 bit values.
  1251. \param [in] value Value to store
  1252. \param [in] ptr Pointer to location
  1253. */
  1254. __STATIC_FORCEINLINE void __STLB(uint8_t value, volatile uint8_t *ptr)
  1255. {
  1256. __ASM volatile ("stlb %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
  1257. }
  1258. /**
  1259. \brief Store-Release (16 bit)
  1260. \details Executes a STLH instruction for 16 bit values.
  1261. \param [in] value Value to store
  1262. \param [in] ptr Pointer to location
  1263. */
  1264. __STATIC_FORCEINLINE void __STLH(uint16_t value, volatile uint16_t *ptr)
  1265. {
  1266. __ASM volatile ("stlh %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
  1267. }
  1268. /**
  1269. \brief Store-Release (32 bit)
  1270. \details Executes a STL instruction for 32 bit values.
  1271. \param [in] value Value to store
  1272. \param [in] ptr Pointer to location
  1273. */
  1274. __STATIC_FORCEINLINE void __STL(uint32_t value, volatile uint32_t *ptr)
  1275. {
  1276. __ASM volatile ("stl %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
  1277. }
  1278. /**
  1279. \brief Load-Acquire Exclusive (8 bit)
  1280. \details Executes a LDAB exclusive instruction for 8 bit value.
  1281. \param [in] ptr Pointer to data
  1282. \return value of type uint8_t at (*ptr)
  1283. */
  1284. __STATIC_FORCEINLINE uint8_t __LDAEXB(volatile uint8_t *ptr)
  1285. {
  1286. uint32_t result;
  1287. __ASM volatile ("ldaexb %0, %1" : "=r" (result) : "Q" (*ptr) );
  1288. return ((uint8_t) result);
  1289. }
  1290. /**
  1291. \brief Load-Acquire Exclusive (16 bit)
  1292. \details Executes a LDAH exclusive instruction for 16 bit values.
  1293. \param [in] ptr Pointer to data
  1294. \return value of type uint16_t at (*ptr)
  1295. */
  1296. __STATIC_FORCEINLINE uint16_t __LDAEXH(volatile uint16_t *ptr)
  1297. {
  1298. uint32_t result;
  1299. __ASM volatile ("ldaexh %0, %1" : "=r" (result) : "Q" (*ptr) );
  1300. return ((uint16_t) result);
  1301. }
  1302. /**
  1303. \brief Load-Acquire Exclusive (32 bit)
  1304. \details Executes a LDA exclusive instruction for 32 bit values.
  1305. \param [in] ptr Pointer to data
  1306. \return value of type uint32_t at (*ptr)
  1307. */
  1308. __STATIC_FORCEINLINE uint32_t __LDAEX(volatile uint32_t *ptr)
  1309. {
  1310. uint32_t result;
  1311. __ASM volatile ("ldaex %0, %1" : "=r" (result) : "Q" (*ptr) );
  1312. return(result);
  1313. }
  1314. /**
  1315. \brief Store-Release Exclusive (8 bit)
  1316. \details Executes a STLB exclusive instruction for 8 bit values.
  1317. \param [in] value Value to store
  1318. \param [in] ptr Pointer to location
  1319. \return 0 Function succeeded
  1320. \return 1 Function failed
  1321. */
  1322. __STATIC_FORCEINLINE uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
  1323. {
  1324. uint32_t result;
  1325. __ASM volatile ("stlexb %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
  1326. return(result);
  1327. }
  1328. /**
  1329. \brief Store-Release Exclusive (16 bit)
  1330. \details Executes a STLH exclusive instruction for 16 bit values.
  1331. \param [in] value Value to store
  1332. \param [in] ptr Pointer to location
  1333. \return 0 Function succeeded
  1334. \return 1 Function failed
  1335. */
  1336. __STATIC_FORCEINLINE uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
  1337. {
  1338. uint32_t result;
  1339. __ASM volatile ("stlexh %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
  1340. return(result);
  1341. }
  1342. /**
  1343. \brief Store-Release Exclusive (32 bit)
  1344. \details Executes a STL exclusive instruction for 32 bit values.
  1345. \param [in] value Value to store
  1346. \param [in] ptr Pointer to location
  1347. \return 0 Function succeeded
  1348. \return 1 Function failed
  1349. */
  1350. __STATIC_FORCEINLINE uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
  1351. {
  1352. uint32_t result;
  1353. __ASM volatile ("stlex %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
  1354. return(result);
  1355. }
  1356. #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
  1357. (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
  1358. /*@}*/ /* end of group CMSIS_Core_InstructionInterface */
  1359. /* ################### Compiler specific Intrinsics ########################### */
  1360. /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
  1361. Access to dedicated SIMD instructions
  1362. @{
  1363. */
  1364. #if (defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1))
  1365. __STATIC_FORCEINLINE uint32_t __SADD8(uint32_t op1, uint32_t op2)
  1366. {
  1367. uint32_t result;
  1368. __ASM volatile ("sadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1369. return(result);
  1370. }
  1371. __STATIC_FORCEINLINE uint32_t __QADD8(uint32_t op1, uint32_t op2)
  1372. {
  1373. uint32_t result;
  1374. __ASM volatile ("qadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1375. return(result);
  1376. }
  1377. __STATIC_FORCEINLINE uint32_t __SHADD8(uint32_t op1, uint32_t op2)
  1378. {
  1379. uint32_t result;
  1380. __ASM volatile ("shadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1381. return(result);
  1382. }
  1383. __STATIC_FORCEINLINE uint32_t __UADD8(uint32_t op1, uint32_t op2)
  1384. {
  1385. uint32_t result;
  1386. __ASM volatile ("uadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1387. return(result);
  1388. }
  1389. __STATIC_FORCEINLINE uint32_t __UQADD8(uint32_t op1, uint32_t op2)
  1390. {
  1391. uint32_t result;
  1392. __ASM volatile ("uqadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1393. return(result);
  1394. }
  1395. __STATIC_FORCEINLINE uint32_t __UHADD8(uint32_t op1, uint32_t op2)
  1396. {
  1397. uint32_t result;
  1398. __ASM volatile ("uhadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1399. return(result);
  1400. }
  1401. __STATIC_FORCEINLINE uint32_t __SSUB8(uint32_t op1, uint32_t op2)
  1402. {
  1403. uint32_t result;
  1404. __ASM volatile ("ssub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1405. return(result);
  1406. }
  1407. __STATIC_FORCEINLINE uint32_t __QSUB8(uint32_t op1, uint32_t op2)
  1408. {
  1409. uint32_t result;
  1410. __ASM volatile ("qsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1411. return(result);
  1412. }
  1413. __STATIC_FORCEINLINE uint32_t __SHSUB8(uint32_t op1, uint32_t op2)
  1414. {
  1415. uint32_t result;
  1416. __ASM volatile ("shsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1417. return(result);
  1418. }
  1419. __STATIC_FORCEINLINE uint32_t __USUB8(uint32_t op1, uint32_t op2)
  1420. {
  1421. uint32_t result;
  1422. __ASM volatile ("usub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1423. return(result);
  1424. }
  1425. __STATIC_FORCEINLINE uint32_t __UQSUB8(uint32_t op1, uint32_t op2)
  1426. {
  1427. uint32_t result;
  1428. __ASM volatile ("uqsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1429. return(result);
  1430. }
  1431. __STATIC_FORCEINLINE uint32_t __UHSUB8(uint32_t op1, uint32_t op2)
  1432. {
  1433. uint32_t result;
  1434. __ASM volatile ("uhsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1435. return(result);
  1436. }
  1437. __STATIC_FORCEINLINE uint32_t __SADD16(uint32_t op1, uint32_t op2)
  1438. {
  1439. uint32_t result;
  1440. __ASM volatile ("sadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1441. return(result);
  1442. }
  1443. __STATIC_FORCEINLINE uint32_t __QADD16(uint32_t op1, uint32_t op2)
  1444. {
  1445. uint32_t result;
  1446. __ASM volatile ("qadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1447. return(result);
  1448. }
  1449. __STATIC_FORCEINLINE uint32_t __SHADD16(uint32_t op1, uint32_t op2)
  1450. {
  1451. uint32_t result;
  1452. __ASM volatile ("shadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1453. return(result);
  1454. }
  1455. __STATIC_FORCEINLINE uint32_t __UADD16(uint32_t op1, uint32_t op2)
  1456. {
  1457. uint32_t result;
  1458. __ASM volatile ("uadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1459. return(result);
  1460. }
  1461. __STATIC_FORCEINLINE uint32_t __UQADD16(uint32_t op1, uint32_t op2)
  1462. {
  1463. uint32_t result;
  1464. __ASM volatile ("uqadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1465. return(result);
  1466. }
  1467. __STATIC_FORCEINLINE uint32_t __UHADD16(uint32_t op1, uint32_t op2)
  1468. {
  1469. uint32_t result;
  1470. __ASM volatile ("uhadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1471. return(result);
  1472. }
  1473. __STATIC_FORCEINLINE uint32_t __SSUB16(uint32_t op1, uint32_t op2)
  1474. {
  1475. uint32_t result;
  1476. __ASM volatile ("ssub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1477. return(result);
  1478. }
  1479. __STATIC_FORCEINLINE uint32_t __QSUB16(uint32_t op1, uint32_t op2)
  1480. {
  1481. uint32_t result;
  1482. __ASM volatile ("qsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1483. return(result);
  1484. }
  1485. __STATIC_FORCEINLINE uint32_t __SHSUB16(uint32_t op1, uint32_t op2)
  1486. {
  1487. uint32_t result;
  1488. __ASM volatile ("shsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1489. return(result);
  1490. }
  1491. __STATIC_FORCEINLINE uint32_t __USUB16(uint32_t op1, uint32_t op2)
  1492. {
  1493. uint32_t result;
  1494. __ASM volatile ("usub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1495. return(result);
  1496. }
  1497. __STATIC_FORCEINLINE uint32_t __UQSUB16(uint32_t op1, uint32_t op2)
  1498. {
  1499. uint32_t result;
  1500. __ASM volatile ("uqsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1501. return(result);
  1502. }
  1503. __STATIC_FORCEINLINE uint32_t __UHSUB16(uint32_t op1, uint32_t op2)
  1504. {
  1505. uint32_t result;
  1506. __ASM volatile ("uhsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1507. return(result);
  1508. }
  1509. __STATIC_FORCEINLINE uint32_t __SASX(uint32_t op1, uint32_t op2)
  1510. {
  1511. uint32_t result;
  1512. __ASM volatile ("sasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1513. return(result);
  1514. }
  1515. __STATIC_FORCEINLINE uint32_t __QASX(uint32_t op1, uint32_t op2)
  1516. {
  1517. uint32_t result;
  1518. __ASM volatile ("qasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1519. return(result);
  1520. }
  1521. __STATIC_FORCEINLINE uint32_t __SHASX(uint32_t op1, uint32_t op2)
  1522. {
  1523. uint32_t result;
  1524. __ASM volatile ("shasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1525. return(result);
  1526. }
  1527. __STATIC_FORCEINLINE uint32_t __UASX(uint32_t op1, uint32_t op2)
  1528. {
  1529. uint32_t result;
  1530. __ASM volatile ("uasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1531. return(result);
  1532. }
  1533. __STATIC_FORCEINLINE uint32_t __UQASX(uint32_t op1, uint32_t op2)
  1534. {
  1535. uint32_t result;
  1536. __ASM volatile ("uqasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1537. return(result);
  1538. }
  1539. __STATIC_FORCEINLINE uint32_t __UHASX(uint32_t op1, uint32_t op2)
  1540. {
  1541. uint32_t result;
  1542. __ASM volatile ("uhasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1543. return(result);
  1544. }
  1545. __STATIC_FORCEINLINE uint32_t __SSAX(uint32_t op1, uint32_t op2)
  1546. {
  1547. uint32_t result;
  1548. __ASM volatile ("ssax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1549. return(result);
  1550. }
  1551. __STATIC_FORCEINLINE uint32_t __QSAX(uint32_t op1, uint32_t op2)
  1552. {
  1553. uint32_t result;
  1554. __ASM volatile ("qsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1555. return(result);
  1556. }
  1557. __STATIC_FORCEINLINE uint32_t __SHSAX(uint32_t op1, uint32_t op2)
  1558. {
  1559. uint32_t result;
  1560. __ASM volatile ("shsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1561. return(result);
  1562. }
  1563. __STATIC_FORCEINLINE uint32_t __USAX(uint32_t op1, uint32_t op2)
  1564. {
  1565. uint32_t result;
  1566. __ASM volatile ("usax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1567. return(result);
  1568. }
  1569. __STATIC_FORCEINLINE uint32_t __UQSAX(uint32_t op1, uint32_t op2)
  1570. {
  1571. uint32_t result;
  1572. __ASM volatile ("uqsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1573. return(result);
  1574. }
  1575. __STATIC_FORCEINLINE uint32_t __UHSAX(uint32_t op1, uint32_t op2)
  1576. {
  1577. uint32_t result;
  1578. __ASM volatile ("uhsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1579. return(result);
  1580. }
  1581. __STATIC_FORCEINLINE uint32_t __USAD8(uint32_t op1, uint32_t op2)
  1582. {
  1583. uint32_t result;
  1584. __ASM volatile ("usad8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1585. return(result);
  1586. }
  1587. __STATIC_FORCEINLINE uint32_t __USADA8(uint32_t op1, uint32_t op2, uint32_t op3)
  1588. {
  1589. uint32_t result;
  1590. __ASM volatile ("usada8 %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
  1591. return(result);
  1592. }
  1593. #define __SSAT16(ARG1,ARG2) \
  1594. ({ \
  1595. int32_t __RES, __ARG1 = (ARG1); \
  1596. __ASM ("ssat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
  1597. __RES; \
  1598. })
  1599. #define __USAT16(ARG1,ARG2) \
  1600. ({ \
  1601. uint32_t __RES, __ARG1 = (ARG1); \
  1602. __ASM ("usat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
  1603. __RES; \
  1604. })
  1605. __STATIC_FORCEINLINE uint32_t __UXTB16(uint32_t op1)
  1606. {
  1607. uint32_t result;
  1608. __ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1));
  1609. return(result);
  1610. }
  1611. __STATIC_FORCEINLINE uint32_t __UXTAB16(uint32_t op1, uint32_t op2)
  1612. {
  1613. uint32_t result;
  1614. __ASM volatile ("uxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1615. return(result);
  1616. }
  1617. __STATIC_FORCEINLINE uint32_t __SXTB16(uint32_t op1)
  1618. {
  1619. uint32_t result;
  1620. __ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1));
  1621. return(result);
  1622. }
  1623. __STATIC_FORCEINLINE uint32_t __SXTAB16(uint32_t op1, uint32_t op2)
  1624. {
  1625. uint32_t result;
  1626. __ASM volatile ("sxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1627. return(result);
  1628. }
  1629. __STATIC_FORCEINLINE uint32_t __SMUAD (uint32_t op1, uint32_t op2)
  1630. {
  1631. uint32_t result;
  1632. __ASM volatile ("smuad %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1633. return(result);
  1634. }
  1635. __STATIC_FORCEINLINE uint32_t __SMUADX (uint32_t op1, uint32_t op2)
  1636. {
  1637. uint32_t result;
  1638. __ASM volatile ("smuadx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1639. return(result);
  1640. }
  1641. __STATIC_FORCEINLINE uint32_t __SMLAD (uint32_t op1, uint32_t op2, uint32_t op3)
  1642. {
  1643. uint32_t result;
  1644. __ASM volatile ("smlad %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
  1645. return(result);
  1646. }
  1647. __STATIC_FORCEINLINE uint32_t __SMLADX (uint32_t op1, uint32_t op2, uint32_t op3)
  1648. {
  1649. uint32_t result;
  1650. __ASM volatile ("smladx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
  1651. return(result);
  1652. }
  1653. __STATIC_FORCEINLINE uint64_t __SMLALD (uint32_t op1, uint32_t op2, uint64_t acc)
  1654. {
  1655. union llreg_u{
  1656. uint32_t w32[2];
  1657. uint64_t w64;
  1658. } llr;
  1659. llr.w64 = acc;
  1660. #ifndef __ARMEB__ /* Little endian */
  1661. __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
  1662. #else /* Big endian */
  1663. __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
  1664. #endif
  1665. return(llr.w64);
  1666. }
  1667. __STATIC_FORCEINLINE uint64_t __SMLALDX (uint32_t op1, uint32_t op2, uint64_t acc)
  1668. {
  1669. union llreg_u{
  1670. uint32_t w32[2];
  1671. uint64_t w64;
  1672. } llr;
  1673. llr.w64 = acc;
  1674. #ifndef __ARMEB__ /* Little endian */
  1675. __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
  1676. #else /* Big endian */
  1677. __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
  1678. #endif
  1679. return(llr.w64);
  1680. }
  1681. __STATIC_FORCEINLINE uint32_t __SMUSD (uint32_t op1, uint32_t op2)
  1682. {
  1683. uint32_t result;
  1684. __ASM volatile ("smusd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1685. return(result);
  1686. }
  1687. __STATIC_FORCEINLINE uint32_t __SMUSDX (uint32_t op1, uint32_t op2)
  1688. {
  1689. uint32_t result;
  1690. __ASM volatile ("smusdx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1691. return(result);
  1692. }
  1693. __STATIC_FORCEINLINE uint32_t __SMLSD (uint32_t op1, uint32_t op2, uint32_t op3)
  1694. {
  1695. uint32_t result;
  1696. __ASM volatile ("smlsd %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
  1697. return(result);
  1698. }
  1699. __STATIC_FORCEINLINE uint32_t __SMLSDX (uint32_t op1, uint32_t op2, uint32_t op3)
  1700. {
  1701. uint32_t result;
  1702. __ASM volatile ("smlsdx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
  1703. return(result);
  1704. }
  1705. __STATIC_FORCEINLINE uint64_t __SMLSLD (uint32_t op1, uint32_t op2, uint64_t acc)
  1706. {
  1707. union llreg_u{
  1708. uint32_t w32[2];
  1709. uint64_t w64;
  1710. } llr;
  1711. llr.w64 = acc;
  1712. #ifndef __ARMEB__ /* Little endian */
  1713. __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
  1714. #else /* Big endian */
  1715. __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
  1716. #endif
  1717. return(llr.w64);
  1718. }
  1719. __STATIC_FORCEINLINE uint64_t __SMLSLDX (uint32_t op1, uint32_t op2, uint64_t acc)
  1720. {
  1721. union llreg_u{
  1722. uint32_t w32[2];
  1723. uint64_t w64;
  1724. } llr;
  1725. llr.w64 = acc;
  1726. #ifndef __ARMEB__ /* Little endian */
  1727. __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
  1728. #else /* Big endian */
  1729. __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
  1730. #endif
  1731. return(llr.w64);
  1732. }
  1733. __STATIC_FORCEINLINE uint32_t __SEL (uint32_t op1, uint32_t op2)
  1734. {
  1735. uint32_t result;
  1736. __ASM volatile ("sel %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1737. return(result);
  1738. }
  1739. __STATIC_FORCEINLINE int32_t __QADD( int32_t op1, int32_t op2)
  1740. {
  1741. int32_t result;
  1742. __ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1743. return(result);
  1744. }
  1745. __STATIC_FORCEINLINE int32_t __QSUB( int32_t op1, int32_t op2)
  1746. {
  1747. int32_t result;
  1748. __ASM volatile ("qsub %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
  1749. return(result);
  1750. }
  1751. #if 0
  1752. #define __PKHBT(ARG1,ARG2,ARG3) \
  1753. ({ \
  1754. uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
  1755. __ASM ("pkhbt %0, %1, %2, lsl %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
  1756. __RES; \
  1757. })
  1758. #define __PKHTB(ARG1,ARG2,ARG3) \
  1759. ({ \
  1760. uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
  1761. if (ARG3 == 0) \
  1762. __ASM ("pkhtb %0, %1, %2" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2) ); \
  1763. else \
  1764. __ASM ("pkhtb %0, %1, %2, asr %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
  1765. __RES; \
  1766. })
  1767. #endif
  1768. #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \
  1769. ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) )
  1770. #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \
  1771. ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) )
  1772. __STATIC_FORCEINLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3)
  1773. {
  1774. int32_t result;
  1775. __ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) );
  1776. return(result);
  1777. }
  1778. #endif /* (__ARM_FEATURE_DSP == 1) */
  1779. /*@} end of group CMSIS_SIMD_intrinsics */
  1780. #pragma GCC diagnostic pop
  1781. #endif /* __CMSIS_GCC_H */