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mbed library sources. Supersedes mbed-src.

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cmsis/TARGET_CORTEX_M/cmsis_armcc.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
188:bcfe06ba3d64 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 180:96ed750bd169 1 /**************************************************************************//**
Anna Bridge 180:96ed750bd169 2 * @file cmsis_armcc.h
Anna Bridge 186:707f6e361f3e 3 * @brief CMSIS compiler ARMCC (Arm Compiler 5) header file
Anna Bridge 186:707f6e361f3e 4 * @version V5.0.4
Anna Bridge 186:707f6e361f3e 5 * @date 10. January 2018
Anna Bridge 180:96ed750bd169 6 ******************************************************************************/
Anna Bridge 180:96ed750bd169 7 /*
Anna Bridge 186:707f6e361f3e 8 * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
Anna Bridge 180:96ed750bd169 9 *
Anna Bridge 180:96ed750bd169 10 * SPDX-License-Identifier: Apache-2.0
Anna Bridge 180:96ed750bd169 11 *
Anna Bridge 180:96ed750bd169 12 * Licensed under the Apache License, Version 2.0 (the License); you may
Anna Bridge 180:96ed750bd169 13 * not use this file except in compliance with the License.
Anna Bridge 180:96ed750bd169 14 * You may obtain a copy of the License at
Anna Bridge 180:96ed750bd169 15 *
Anna Bridge 180:96ed750bd169 16 * www.apache.org/licenses/LICENSE-2.0
Anna Bridge 180:96ed750bd169 17 *
Anna Bridge 180:96ed750bd169 18 * Unless required by applicable law or agreed to in writing, software
Anna Bridge 180:96ed750bd169 19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
Anna Bridge 180:96ed750bd169 20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Anna Bridge 180:96ed750bd169 21 * See the License for the specific language governing permissions and
Anna Bridge 180:96ed750bd169 22 * limitations under the License.
Anna Bridge 180:96ed750bd169 23 */
Anna Bridge 180:96ed750bd169 24
Anna Bridge 180:96ed750bd169 25 #ifndef __CMSIS_ARMCC_H
Anna Bridge 180:96ed750bd169 26 #define __CMSIS_ARMCC_H
Anna Bridge 180:96ed750bd169 27
Anna Bridge 180:96ed750bd169 28
Anna Bridge 180:96ed750bd169 29 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 400677)
Anna Bridge 186:707f6e361f3e 30 #error "Please use Arm Compiler Toolchain V4.0.677 or later!"
Anna Bridge 180:96ed750bd169 31 #endif
Anna Bridge 180:96ed750bd169 32
Anna Bridge 180:96ed750bd169 33 /* CMSIS compiler control architecture macros */
Anna Bridge 180:96ed750bd169 34 #if ((defined (__TARGET_ARCH_6_M ) && (__TARGET_ARCH_6_M == 1)) || \
Anna Bridge 180:96ed750bd169 35 (defined (__TARGET_ARCH_6S_M ) && (__TARGET_ARCH_6S_M == 1)) )
Anna Bridge 180:96ed750bd169 36 #define __ARM_ARCH_6M__ 1
Anna Bridge 180:96ed750bd169 37 #endif
Anna Bridge 180:96ed750bd169 38
Anna Bridge 180:96ed750bd169 39 #if (defined (__TARGET_ARCH_7_M ) && (__TARGET_ARCH_7_M == 1))
Anna Bridge 180:96ed750bd169 40 #define __ARM_ARCH_7M__ 1
Anna Bridge 180:96ed750bd169 41 #endif
Anna Bridge 180:96ed750bd169 42
Anna Bridge 180:96ed750bd169 43 #if (defined (__TARGET_ARCH_7E_M) && (__TARGET_ARCH_7E_M == 1))
Anna Bridge 180:96ed750bd169 44 #define __ARM_ARCH_7EM__ 1
Anna Bridge 180:96ed750bd169 45 #endif
Anna Bridge 180:96ed750bd169 46
Anna Bridge 180:96ed750bd169 47 /* __ARM_ARCH_8M_BASE__ not applicable */
Anna Bridge 180:96ed750bd169 48 /* __ARM_ARCH_8M_MAIN__ not applicable */
Anna Bridge 180:96ed750bd169 49
Anna Bridge 180:96ed750bd169 50
Anna Bridge 180:96ed750bd169 51 /* CMSIS compiler specific defines */
Anna Bridge 180:96ed750bd169 52 #ifndef __ASM
Anna Bridge 180:96ed750bd169 53 #define __ASM __asm
Anna Bridge 180:96ed750bd169 54 #endif
Anna Bridge 180:96ed750bd169 55 #ifndef __INLINE
Anna Bridge 180:96ed750bd169 56 #define __INLINE __inline
Anna Bridge 180:96ed750bd169 57 #endif
Anna Bridge 180:96ed750bd169 58 #ifndef __STATIC_INLINE
Anna Bridge 180:96ed750bd169 59 #define __STATIC_INLINE static __inline
Anna Bridge 180:96ed750bd169 60 #endif
Anna Bridge 186:707f6e361f3e 61 #ifndef __STATIC_FORCEINLINE
Anna Bridge 186:707f6e361f3e 62 #define __STATIC_FORCEINLINE static __forceinline
Anna Bridge 186:707f6e361f3e 63 #endif
Anna Bridge 180:96ed750bd169 64 #ifndef __NO_RETURN
Anna Bridge 180:96ed750bd169 65 #define __NO_RETURN __declspec(noreturn)
Anna Bridge 180:96ed750bd169 66 #endif
Anna Bridge 180:96ed750bd169 67 #ifndef __USED
Anna Bridge 180:96ed750bd169 68 #define __USED __attribute__((used))
Anna Bridge 180:96ed750bd169 69 #endif
Anna Bridge 180:96ed750bd169 70 #ifndef __WEAK
Anna Bridge 180:96ed750bd169 71 #define __WEAK __attribute__((weak))
Anna Bridge 180:96ed750bd169 72 #endif
Anna Bridge 180:96ed750bd169 73 #ifndef __PACKED
Anna Bridge 180:96ed750bd169 74 #define __PACKED __attribute__((packed))
Anna Bridge 180:96ed750bd169 75 #endif
Anna Bridge 180:96ed750bd169 76 #ifndef __PACKED_STRUCT
Anna Bridge 180:96ed750bd169 77 #define __PACKED_STRUCT __packed struct
Anna Bridge 180:96ed750bd169 78 #endif
Anna Bridge 180:96ed750bd169 79 #ifndef __PACKED_UNION
Anna Bridge 180:96ed750bd169 80 #define __PACKED_UNION __packed union
Anna Bridge 180:96ed750bd169 81 #endif
Anna Bridge 180:96ed750bd169 82 #ifndef __UNALIGNED_UINT32 /* deprecated */
Anna Bridge 180:96ed750bd169 83 #define __UNALIGNED_UINT32(x) (*((__packed uint32_t *)(x)))
Anna Bridge 180:96ed750bd169 84 #endif
Anna Bridge 180:96ed750bd169 85 #ifndef __UNALIGNED_UINT16_WRITE
Anna Bridge 180:96ed750bd169 86 #define __UNALIGNED_UINT16_WRITE(addr, val) ((*((__packed uint16_t *)(addr))) = (val))
Anna Bridge 180:96ed750bd169 87 #endif
Anna Bridge 180:96ed750bd169 88 #ifndef __UNALIGNED_UINT16_READ
Anna Bridge 180:96ed750bd169 89 #define __UNALIGNED_UINT16_READ(addr) (*((const __packed uint16_t *)(addr)))
Anna Bridge 180:96ed750bd169 90 #endif
Anna Bridge 180:96ed750bd169 91 #ifndef __UNALIGNED_UINT32_WRITE
Anna Bridge 180:96ed750bd169 92 #define __UNALIGNED_UINT32_WRITE(addr, val) ((*((__packed uint32_t *)(addr))) = (val))
Anna Bridge 180:96ed750bd169 93 #endif
Anna Bridge 180:96ed750bd169 94 #ifndef __UNALIGNED_UINT32_READ
Anna Bridge 180:96ed750bd169 95 #define __UNALIGNED_UINT32_READ(addr) (*((const __packed uint32_t *)(addr)))
Anna Bridge 180:96ed750bd169 96 #endif
Anna Bridge 180:96ed750bd169 97 #ifndef __ALIGNED
Anna Bridge 180:96ed750bd169 98 #define __ALIGNED(x) __attribute__((aligned(x)))
Anna Bridge 180:96ed750bd169 99 #endif
Anna Bridge 180:96ed750bd169 100 #ifndef __RESTRICT
Anna Bridge 180:96ed750bd169 101 #define __RESTRICT __restrict
Anna Bridge 180:96ed750bd169 102 #endif
Anna Bridge 180:96ed750bd169 103
Anna Bridge 180:96ed750bd169 104 /* ########################### Core Function Access ########################### */
Anna Bridge 180:96ed750bd169 105 /** \ingroup CMSIS_Core_FunctionInterface
Anna Bridge 180:96ed750bd169 106 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
Anna Bridge 180:96ed750bd169 107 @{
Anna Bridge 180:96ed750bd169 108 */
Anna Bridge 180:96ed750bd169 109
Anna Bridge 180:96ed750bd169 110 /**
Anna Bridge 180:96ed750bd169 111 \brief Enable IRQ Interrupts
Anna Bridge 180:96ed750bd169 112 \details Enables IRQ interrupts by clearing the I-bit in the CPSR.
Anna Bridge 180:96ed750bd169 113 Can only be executed in Privileged modes.
Anna Bridge 180:96ed750bd169 114 */
Anna Bridge 180:96ed750bd169 115 /* intrinsic void __enable_irq(); */
Anna Bridge 180:96ed750bd169 116
Anna Bridge 180:96ed750bd169 117
Anna Bridge 180:96ed750bd169 118 /**
Anna Bridge 180:96ed750bd169 119 \brief Disable IRQ Interrupts
Anna Bridge 180:96ed750bd169 120 \details Disables IRQ interrupts by setting the I-bit in the CPSR.
Anna Bridge 180:96ed750bd169 121 Can only be executed in Privileged modes.
Anna Bridge 180:96ed750bd169 122 */
Anna Bridge 180:96ed750bd169 123 /* intrinsic void __disable_irq(); */
Anna Bridge 180:96ed750bd169 124
Anna Bridge 180:96ed750bd169 125 /**
Anna Bridge 180:96ed750bd169 126 \brief Get Control Register
Anna Bridge 180:96ed750bd169 127 \details Returns the content of the Control Register.
Anna Bridge 180:96ed750bd169 128 \return Control Register value
Anna Bridge 180:96ed750bd169 129 */
Anna Bridge 180:96ed750bd169 130 __STATIC_INLINE uint32_t __get_CONTROL(void)
Anna Bridge 180:96ed750bd169 131 {
Anna Bridge 180:96ed750bd169 132 register uint32_t __regControl __ASM("control");
Anna Bridge 180:96ed750bd169 133 return(__regControl);
Anna Bridge 180:96ed750bd169 134 }
Anna Bridge 180:96ed750bd169 135
Anna Bridge 180:96ed750bd169 136
Anna Bridge 180:96ed750bd169 137 /**
Anna Bridge 180:96ed750bd169 138 \brief Set Control Register
Anna Bridge 180:96ed750bd169 139 \details Writes the given value to the Control Register.
Anna Bridge 180:96ed750bd169 140 \param [in] control Control Register value to set
Anna Bridge 180:96ed750bd169 141 */
Anna Bridge 180:96ed750bd169 142 __STATIC_INLINE void __set_CONTROL(uint32_t control)
Anna Bridge 180:96ed750bd169 143 {
Anna Bridge 180:96ed750bd169 144 register uint32_t __regControl __ASM("control");
Anna Bridge 180:96ed750bd169 145 __regControl = control;
Anna Bridge 180:96ed750bd169 146 }
Anna Bridge 180:96ed750bd169 147
Anna Bridge 180:96ed750bd169 148
Anna Bridge 180:96ed750bd169 149 /**
Anna Bridge 180:96ed750bd169 150 \brief Get IPSR Register
Anna Bridge 180:96ed750bd169 151 \details Returns the content of the IPSR Register.
Anna Bridge 180:96ed750bd169 152 \return IPSR Register value
Anna Bridge 180:96ed750bd169 153 */
Anna Bridge 180:96ed750bd169 154 __STATIC_INLINE uint32_t __get_IPSR(void)
Anna Bridge 180:96ed750bd169 155 {
Anna Bridge 180:96ed750bd169 156 register uint32_t __regIPSR __ASM("ipsr");
Anna Bridge 180:96ed750bd169 157 return(__regIPSR);
Anna Bridge 180:96ed750bd169 158 }
Anna Bridge 180:96ed750bd169 159
Anna Bridge 180:96ed750bd169 160
Anna Bridge 180:96ed750bd169 161 /**
Anna Bridge 180:96ed750bd169 162 \brief Get APSR Register
Anna Bridge 180:96ed750bd169 163 \details Returns the content of the APSR Register.
Anna Bridge 180:96ed750bd169 164 \return APSR Register value
Anna Bridge 180:96ed750bd169 165 */
Anna Bridge 180:96ed750bd169 166 __STATIC_INLINE uint32_t __get_APSR(void)
Anna Bridge 180:96ed750bd169 167 {
Anna Bridge 180:96ed750bd169 168 register uint32_t __regAPSR __ASM("apsr");
Anna Bridge 180:96ed750bd169 169 return(__regAPSR);
Anna Bridge 180:96ed750bd169 170 }
Anna Bridge 180:96ed750bd169 171
Anna Bridge 180:96ed750bd169 172
Anna Bridge 180:96ed750bd169 173 /**
Anna Bridge 180:96ed750bd169 174 \brief Get xPSR Register
Anna Bridge 180:96ed750bd169 175 \details Returns the content of the xPSR Register.
Anna Bridge 180:96ed750bd169 176 \return xPSR Register value
Anna Bridge 180:96ed750bd169 177 */
Anna Bridge 180:96ed750bd169 178 __STATIC_INLINE uint32_t __get_xPSR(void)
Anna Bridge 180:96ed750bd169 179 {
Anna Bridge 180:96ed750bd169 180 register uint32_t __regXPSR __ASM("xpsr");
Anna Bridge 180:96ed750bd169 181 return(__regXPSR);
Anna Bridge 180:96ed750bd169 182 }
Anna Bridge 180:96ed750bd169 183
Anna Bridge 180:96ed750bd169 184
Anna Bridge 180:96ed750bd169 185 /**
Anna Bridge 180:96ed750bd169 186 \brief Get Process Stack Pointer
Anna Bridge 180:96ed750bd169 187 \details Returns the current value of the Process Stack Pointer (PSP).
Anna Bridge 180:96ed750bd169 188 \return PSP Register value
Anna Bridge 180:96ed750bd169 189 */
Anna Bridge 180:96ed750bd169 190 __STATIC_INLINE uint32_t __get_PSP(void)
Anna Bridge 180:96ed750bd169 191 {
Anna Bridge 180:96ed750bd169 192 register uint32_t __regProcessStackPointer __ASM("psp");
Anna Bridge 180:96ed750bd169 193 return(__regProcessStackPointer);
Anna Bridge 180:96ed750bd169 194 }
Anna Bridge 180:96ed750bd169 195
Anna Bridge 180:96ed750bd169 196
Anna Bridge 180:96ed750bd169 197 /**
Anna Bridge 180:96ed750bd169 198 \brief Set Process Stack Pointer
Anna Bridge 180:96ed750bd169 199 \details Assigns the given value to the Process Stack Pointer (PSP).
Anna Bridge 180:96ed750bd169 200 \param [in] topOfProcStack Process Stack Pointer value to set
Anna Bridge 180:96ed750bd169 201 */
Anna Bridge 180:96ed750bd169 202 __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
Anna Bridge 180:96ed750bd169 203 {
Anna Bridge 180:96ed750bd169 204 register uint32_t __regProcessStackPointer __ASM("psp");
Anna Bridge 180:96ed750bd169 205 __regProcessStackPointer = topOfProcStack;
Anna Bridge 180:96ed750bd169 206 }
Anna Bridge 180:96ed750bd169 207
Anna Bridge 180:96ed750bd169 208
Anna Bridge 180:96ed750bd169 209 /**
Anna Bridge 180:96ed750bd169 210 \brief Get Main Stack Pointer
Anna Bridge 180:96ed750bd169 211 \details Returns the current value of the Main Stack Pointer (MSP).
Anna Bridge 180:96ed750bd169 212 \return MSP Register value
Anna Bridge 180:96ed750bd169 213 */
Anna Bridge 180:96ed750bd169 214 __STATIC_INLINE uint32_t __get_MSP(void)
Anna Bridge 180:96ed750bd169 215 {
Anna Bridge 180:96ed750bd169 216 register uint32_t __regMainStackPointer __ASM("msp");
Anna Bridge 180:96ed750bd169 217 return(__regMainStackPointer);
Anna Bridge 180:96ed750bd169 218 }
Anna Bridge 180:96ed750bd169 219
Anna Bridge 180:96ed750bd169 220
Anna Bridge 180:96ed750bd169 221 /**
Anna Bridge 180:96ed750bd169 222 \brief Set Main Stack Pointer
Anna Bridge 180:96ed750bd169 223 \details Assigns the given value to the Main Stack Pointer (MSP).
Anna Bridge 180:96ed750bd169 224 \param [in] topOfMainStack Main Stack Pointer value to set
Anna Bridge 180:96ed750bd169 225 */
Anna Bridge 180:96ed750bd169 226 __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
Anna Bridge 180:96ed750bd169 227 {
Anna Bridge 180:96ed750bd169 228 register uint32_t __regMainStackPointer __ASM("msp");
Anna Bridge 180:96ed750bd169 229 __regMainStackPointer = topOfMainStack;
Anna Bridge 180:96ed750bd169 230 }
Anna Bridge 180:96ed750bd169 231
Anna Bridge 180:96ed750bd169 232
Anna Bridge 180:96ed750bd169 233 /**
Anna Bridge 180:96ed750bd169 234 \brief Get Priority Mask
Anna Bridge 180:96ed750bd169 235 \details Returns the current state of the priority mask bit from the Priority Mask Register.
Anna Bridge 180:96ed750bd169 236 \return Priority Mask value
Anna Bridge 180:96ed750bd169 237 */
Anna Bridge 180:96ed750bd169 238 __STATIC_INLINE uint32_t __get_PRIMASK(void)
Anna Bridge 180:96ed750bd169 239 {
Anna Bridge 180:96ed750bd169 240 register uint32_t __regPriMask __ASM("primask");
Anna Bridge 180:96ed750bd169 241 return(__regPriMask);
Anna Bridge 180:96ed750bd169 242 }
Anna Bridge 180:96ed750bd169 243
Anna Bridge 180:96ed750bd169 244
Anna Bridge 180:96ed750bd169 245 /**
Anna Bridge 180:96ed750bd169 246 \brief Set Priority Mask
Anna Bridge 180:96ed750bd169 247 \details Assigns the given value to the Priority Mask Register.
Anna Bridge 180:96ed750bd169 248 \param [in] priMask Priority Mask
Anna Bridge 180:96ed750bd169 249 */
Anna Bridge 180:96ed750bd169 250 __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
Anna Bridge 180:96ed750bd169 251 {
Anna Bridge 180:96ed750bd169 252 register uint32_t __regPriMask __ASM("primask");
Anna Bridge 180:96ed750bd169 253 __regPriMask = (priMask);
Anna Bridge 180:96ed750bd169 254 }
Anna Bridge 180:96ed750bd169 255
Anna Bridge 180:96ed750bd169 256
Anna Bridge 180:96ed750bd169 257 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
Anna Bridge 180:96ed750bd169 258 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) )
Anna Bridge 180:96ed750bd169 259
Anna Bridge 180:96ed750bd169 260 /**
Anna Bridge 180:96ed750bd169 261 \brief Enable FIQ
Anna Bridge 180:96ed750bd169 262 \details Enables FIQ interrupts by clearing the F-bit in the CPSR.
Anna Bridge 180:96ed750bd169 263 Can only be executed in Privileged modes.
Anna Bridge 180:96ed750bd169 264 */
Anna Bridge 180:96ed750bd169 265 #define __enable_fault_irq __enable_fiq
Anna Bridge 180:96ed750bd169 266
Anna Bridge 180:96ed750bd169 267
Anna Bridge 180:96ed750bd169 268 /**
Anna Bridge 180:96ed750bd169 269 \brief Disable FIQ
Anna Bridge 180:96ed750bd169 270 \details Disables FIQ interrupts by setting the F-bit in the CPSR.
Anna Bridge 180:96ed750bd169 271 Can only be executed in Privileged modes.
Anna Bridge 180:96ed750bd169 272 */
Anna Bridge 180:96ed750bd169 273 #define __disable_fault_irq __disable_fiq
Anna Bridge 180:96ed750bd169 274
Anna Bridge 180:96ed750bd169 275
Anna Bridge 180:96ed750bd169 276 /**
Anna Bridge 180:96ed750bd169 277 \brief Get Base Priority
Anna Bridge 180:96ed750bd169 278 \details Returns the current value of the Base Priority register.
Anna Bridge 180:96ed750bd169 279 \return Base Priority register value
Anna Bridge 180:96ed750bd169 280 */
Anna Bridge 180:96ed750bd169 281 __STATIC_INLINE uint32_t __get_BASEPRI(void)
Anna Bridge 180:96ed750bd169 282 {
Anna Bridge 180:96ed750bd169 283 register uint32_t __regBasePri __ASM("basepri");
Anna Bridge 180:96ed750bd169 284 return(__regBasePri);
Anna Bridge 180:96ed750bd169 285 }
Anna Bridge 180:96ed750bd169 286
Anna Bridge 180:96ed750bd169 287
Anna Bridge 180:96ed750bd169 288 /**
Anna Bridge 180:96ed750bd169 289 \brief Set Base Priority
Anna Bridge 180:96ed750bd169 290 \details Assigns the given value to the Base Priority register.
Anna Bridge 180:96ed750bd169 291 \param [in] basePri Base Priority value to set
Anna Bridge 180:96ed750bd169 292 */
Anna Bridge 180:96ed750bd169 293 __STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
Anna Bridge 180:96ed750bd169 294 {
Anna Bridge 180:96ed750bd169 295 register uint32_t __regBasePri __ASM("basepri");
Anna Bridge 180:96ed750bd169 296 __regBasePri = (basePri & 0xFFU);
Anna Bridge 180:96ed750bd169 297 }
Anna Bridge 180:96ed750bd169 298
Anna Bridge 180:96ed750bd169 299
Anna Bridge 180:96ed750bd169 300 /**
Anna Bridge 180:96ed750bd169 301 \brief Set Base Priority with condition
Anna Bridge 180:96ed750bd169 302 \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
Anna Bridge 180:96ed750bd169 303 or the new value increases the BASEPRI priority level.
Anna Bridge 180:96ed750bd169 304 \param [in] basePri Base Priority value to set
Anna Bridge 180:96ed750bd169 305 */
Anna Bridge 180:96ed750bd169 306 __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri)
Anna Bridge 180:96ed750bd169 307 {
Anna Bridge 180:96ed750bd169 308 register uint32_t __regBasePriMax __ASM("basepri_max");
Anna Bridge 180:96ed750bd169 309 __regBasePriMax = (basePri & 0xFFU);
Anna Bridge 180:96ed750bd169 310 }
Anna Bridge 180:96ed750bd169 311
Anna Bridge 180:96ed750bd169 312
Anna Bridge 180:96ed750bd169 313 /**
Anna Bridge 180:96ed750bd169 314 \brief Get Fault Mask
Anna Bridge 180:96ed750bd169 315 \details Returns the current value of the Fault Mask register.
Anna Bridge 180:96ed750bd169 316 \return Fault Mask register value
Anna Bridge 180:96ed750bd169 317 */
Anna Bridge 180:96ed750bd169 318 __STATIC_INLINE uint32_t __get_FAULTMASK(void)
Anna Bridge 180:96ed750bd169 319 {
Anna Bridge 180:96ed750bd169 320 register uint32_t __regFaultMask __ASM("faultmask");
Anna Bridge 180:96ed750bd169 321 return(__regFaultMask);
Anna Bridge 180:96ed750bd169 322 }
Anna Bridge 180:96ed750bd169 323
Anna Bridge 180:96ed750bd169 324
Anna Bridge 180:96ed750bd169 325 /**
Anna Bridge 180:96ed750bd169 326 \brief Set Fault Mask
Anna Bridge 180:96ed750bd169 327 \details Assigns the given value to the Fault Mask register.
Anna Bridge 180:96ed750bd169 328 \param [in] faultMask Fault Mask value to set
Anna Bridge 180:96ed750bd169 329 */
Anna Bridge 180:96ed750bd169 330 __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
Anna Bridge 180:96ed750bd169 331 {
Anna Bridge 180:96ed750bd169 332 register uint32_t __regFaultMask __ASM("faultmask");
Anna Bridge 180:96ed750bd169 333 __regFaultMask = (faultMask & (uint32_t)1U);
Anna Bridge 180:96ed750bd169 334 }
Anna Bridge 180:96ed750bd169 335
Anna Bridge 180:96ed750bd169 336 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
Anna Bridge 180:96ed750bd169 337 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */
Anna Bridge 180:96ed750bd169 338
Anna Bridge 180:96ed750bd169 339
Anna Bridge 180:96ed750bd169 340 /**
Anna Bridge 180:96ed750bd169 341 \brief Get FPSCR
Anna Bridge 180:96ed750bd169 342 \details Returns the current value of the Floating Point Status/Control register.
Anna Bridge 180:96ed750bd169 343 \return Floating Point Status/Control register value
Anna Bridge 180:96ed750bd169 344 */
Anna Bridge 180:96ed750bd169 345 __STATIC_INLINE uint32_t __get_FPSCR(void)
Anna Bridge 180:96ed750bd169 346 {
Anna Bridge 180:96ed750bd169 347 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
Anna Bridge 180:96ed750bd169 348 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
Anna Bridge 180:96ed750bd169 349 register uint32_t __regfpscr __ASM("fpscr");
Anna Bridge 180:96ed750bd169 350 return(__regfpscr);
Anna Bridge 180:96ed750bd169 351 #else
Anna Bridge 180:96ed750bd169 352 return(0U);
Anna Bridge 180:96ed750bd169 353 #endif
Anna Bridge 180:96ed750bd169 354 }
Anna Bridge 180:96ed750bd169 355
Anna Bridge 180:96ed750bd169 356
Anna Bridge 180:96ed750bd169 357 /**
Anna Bridge 180:96ed750bd169 358 \brief Set FPSCR
Anna Bridge 180:96ed750bd169 359 \details Assigns the given value to the Floating Point Status/Control register.
Anna Bridge 180:96ed750bd169 360 \param [in] fpscr Floating Point Status/Control value to set
Anna Bridge 180:96ed750bd169 361 */
Anna Bridge 180:96ed750bd169 362 __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
Anna Bridge 180:96ed750bd169 363 {
Anna Bridge 180:96ed750bd169 364 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
Anna Bridge 180:96ed750bd169 365 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
Anna Bridge 180:96ed750bd169 366 register uint32_t __regfpscr __ASM("fpscr");
Anna Bridge 180:96ed750bd169 367 __regfpscr = (fpscr);
Anna Bridge 180:96ed750bd169 368 #else
Anna Bridge 180:96ed750bd169 369 (void)fpscr;
Anna Bridge 180:96ed750bd169 370 #endif
Anna Bridge 180:96ed750bd169 371 }
Anna Bridge 180:96ed750bd169 372
Anna Bridge 180:96ed750bd169 373
Anna Bridge 180:96ed750bd169 374 /*@} end of CMSIS_Core_RegAccFunctions */
Anna Bridge 180:96ed750bd169 375
Anna Bridge 180:96ed750bd169 376
Anna Bridge 180:96ed750bd169 377 /* ########################## Core Instruction Access ######################### */
Anna Bridge 180:96ed750bd169 378 /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
Anna Bridge 180:96ed750bd169 379 Access to dedicated instructions
Anna Bridge 180:96ed750bd169 380 @{
Anna Bridge 180:96ed750bd169 381 */
Anna Bridge 180:96ed750bd169 382
Anna Bridge 180:96ed750bd169 383 /**
Anna Bridge 180:96ed750bd169 384 \brief No Operation
Anna Bridge 180:96ed750bd169 385 \details No Operation does nothing. This instruction can be used for code alignment purposes.
Anna Bridge 180:96ed750bd169 386 */
Anna Bridge 180:96ed750bd169 387 #define __NOP __nop
Anna Bridge 180:96ed750bd169 388
Anna Bridge 180:96ed750bd169 389
Anna Bridge 180:96ed750bd169 390 /**
Anna Bridge 180:96ed750bd169 391 \brief Wait For Interrupt
Anna Bridge 180:96ed750bd169 392 \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
Anna Bridge 180:96ed750bd169 393 */
Anna Bridge 180:96ed750bd169 394 #define __WFI __wfi
Anna Bridge 180:96ed750bd169 395
Anna Bridge 180:96ed750bd169 396
Anna Bridge 180:96ed750bd169 397 /**
Anna Bridge 180:96ed750bd169 398 \brief Wait For Event
Anna Bridge 180:96ed750bd169 399 \details Wait For Event is a hint instruction that permits the processor to enter
Anna Bridge 180:96ed750bd169 400 a low-power state until one of a number of events occurs.
Anna Bridge 180:96ed750bd169 401 */
Anna Bridge 180:96ed750bd169 402 #define __WFE __wfe
Anna Bridge 180:96ed750bd169 403
Anna Bridge 180:96ed750bd169 404
Anna Bridge 180:96ed750bd169 405 /**
Anna Bridge 180:96ed750bd169 406 \brief Send Event
Anna Bridge 180:96ed750bd169 407 \details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
Anna Bridge 180:96ed750bd169 408 */
Anna Bridge 180:96ed750bd169 409 #define __SEV __sev
Anna Bridge 180:96ed750bd169 410
Anna Bridge 180:96ed750bd169 411
Anna Bridge 180:96ed750bd169 412 /**
Anna Bridge 180:96ed750bd169 413 \brief Instruction Synchronization Barrier
Anna Bridge 180:96ed750bd169 414 \details Instruction Synchronization Barrier flushes the pipeline in the processor,
Anna Bridge 180:96ed750bd169 415 so that all instructions following the ISB are fetched from cache or memory,
Anna Bridge 180:96ed750bd169 416 after the instruction has been completed.
Anna Bridge 180:96ed750bd169 417 */
Anna Bridge 180:96ed750bd169 418 #define __ISB() do {\
Anna Bridge 180:96ed750bd169 419 __schedule_barrier();\
Anna Bridge 180:96ed750bd169 420 __isb(0xF);\
Anna Bridge 180:96ed750bd169 421 __schedule_barrier();\
Anna Bridge 180:96ed750bd169 422 } while (0U)
Anna Bridge 180:96ed750bd169 423
Anna Bridge 180:96ed750bd169 424 /**
Anna Bridge 180:96ed750bd169 425 \brief Data Synchronization Barrier
Anna Bridge 180:96ed750bd169 426 \details Acts as a special kind of Data Memory Barrier.
Anna Bridge 180:96ed750bd169 427 It completes when all explicit memory accesses before this instruction complete.
Anna Bridge 180:96ed750bd169 428 */
Anna Bridge 180:96ed750bd169 429 #define __DSB() do {\
Anna Bridge 180:96ed750bd169 430 __schedule_barrier();\
Anna Bridge 180:96ed750bd169 431 __dsb(0xF);\
Anna Bridge 180:96ed750bd169 432 __schedule_barrier();\
Anna Bridge 180:96ed750bd169 433 } while (0U)
Anna Bridge 180:96ed750bd169 434
Anna Bridge 180:96ed750bd169 435 /**
Anna Bridge 180:96ed750bd169 436 \brief Data Memory Barrier
Anna Bridge 180:96ed750bd169 437 \details Ensures the apparent order of the explicit memory operations before
Anna Bridge 180:96ed750bd169 438 and after the instruction, without ensuring their completion.
Anna Bridge 180:96ed750bd169 439 */
Anna Bridge 180:96ed750bd169 440 #define __DMB() do {\
Anna Bridge 180:96ed750bd169 441 __schedule_barrier();\
Anna Bridge 180:96ed750bd169 442 __dmb(0xF);\
Anna Bridge 180:96ed750bd169 443 __schedule_barrier();\
Anna Bridge 180:96ed750bd169 444 } while (0U)
Anna Bridge 180:96ed750bd169 445
Anna Bridge 186:707f6e361f3e 446
Anna Bridge 180:96ed750bd169 447 /**
Anna Bridge 180:96ed750bd169 448 \brief Reverse byte order (32 bit)
Anna Bridge 186:707f6e361f3e 449 \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412.
Anna Bridge 180:96ed750bd169 450 \param [in] value Value to reverse
Anna Bridge 180:96ed750bd169 451 \return Reversed value
Anna Bridge 180:96ed750bd169 452 */
Anna Bridge 180:96ed750bd169 453 #define __REV __rev
Anna Bridge 180:96ed750bd169 454
Anna Bridge 180:96ed750bd169 455
Anna Bridge 180:96ed750bd169 456 /**
Anna Bridge 180:96ed750bd169 457 \brief Reverse byte order (16 bit)
Anna Bridge 186:707f6e361f3e 458 \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856.
Anna Bridge 180:96ed750bd169 459 \param [in] value Value to reverse
Anna Bridge 180:96ed750bd169 460 \return Reversed value
Anna Bridge 180:96ed750bd169 461 */
Anna Bridge 180:96ed750bd169 462 #ifndef __NO_EMBEDDED_ASM
Anna Bridge 186:707f6e361f3e 463 __attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value)
Anna Bridge 180:96ed750bd169 464 {
Anna Bridge 180:96ed750bd169 465 rev16 r0, r0
Anna Bridge 180:96ed750bd169 466 bx lr
Anna Bridge 180:96ed750bd169 467 }
Anna Bridge 180:96ed750bd169 468 #endif
Anna Bridge 180:96ed750bd169 469
Anna Bridge 180:96ed750bd169 470
Anna Bridge 180:96ed750bd169 471 /**
Anna Bridge 186:707f6e361f3e 472 \brief Reverse byte order (16 bit)
Anna Bridge 186:707f6e361f3e 473 \details Reverses the byte order in a 16-bit value and returns the signed 16-bit result. For example, 0x0080 becomes 0x8000.
Anna Bridge 180:96ed750bd169 474 \param [in] value Value to reverse
Anna Bridge 180:96ed750bd169 475 \return Reversed value
Anna Bridge 180:96ed750bd169 476 */
Anna Bridge 180:96ed750bd169 477 #ifndef __NO_EMBEDDED_ASM
Anna Bridge 180:96ed750bd169 478 __attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int16_t __REVSH(int16_t value)
Anna Bridge 180:96ed750bd169 479 {
Anna Bridge 180:96ed750bd169 480 revsh r0, r0
Anna Bridge 180:96ed750bd169 481 bx lr
Anna Bridge 180:96ed750bd169 482 }
Anna Bridge 180:96ed750bd169 483 #endif
Anna Bridge 180:96ed750bd169 484
Anna Bridge 180:96ed750bd169 485
Anna Bridge 180:96ed750bd169 486 /**
Anna Bridge 180:96ed750bd169 487 \brief Rotate Right in unsigned value (32 bit)
Anna Bridge 180:96ed750bd169 488 \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
Anna Bridge 180:96ed750bd169 489 \param [in] op1 Value to rotate
Anna Bridge 180:96ed750bd169 490 \param [in] op2 Number of Bits to rotate
Anna Bridge 180:96ed750bd169 491 \return Rotated value
Anna Bridge 180:96ed750bd169 492 */
Anna Bridge 180:96ed750bd169 493 #define __ROR __ror
Anna Bridge 180:96ed750bd169 494
Anna Bridge 180:96ed750bd169 495
Anna Bridge 180:96ed750bd169 496 /**
Anna Bridge 180:96ed750bd169 497 \brief Breakpoint
Anna Bridge 180:96ed750bd169 498 \details Causes the processor to enter Debug state.
Anna Bridge 180:96ed750bd169 499 Debug tools can use this to investigate system state when the instruction at a particular address is reached.
Anna Bridge 180:96ed750bd169 500 \param [in] value is ignored by the processor.
Anna Bridge 180:96ed750bd169 501 If required, a debugger can use it to store additional information about the breakpoint.
Anna Bridge 180:96ed750bd169 502 */
Anna Bridge 180:96ed750bd169 503 #define __BKPT(value) __breakpoint(value)
Anna Bridge 180:96ed750bd169 504
Anna Bridge 180:96ed750bd169 505
Anna Bridge 180:96ed750bd169 506 /**
Anna Bridge 180:96ed750bd169 507 \brief Reverse bit order of value
Anna Bridge 180:96ed750bd169 508 \details Reverses the bit order of the given value.
Anna Bridge 180:96ed750bd169 509 \param [in] value Value to reverse
Anna Bridge 180:96ed750bd169 510 \return Reversed value
Anna Bridge 180:96ed750bd169 511 */
Anna Bridge 180:96ed750bd169 512 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
Anna Bridge 180:96ed750bd169 513 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) )
Anna Bridge 180:96ed750bd169 514 #define __RBIT __rbit
Anna Bridge 180:96ed750bd169 515 #else
Anna Bridge 180:96ed750bd169 516 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
Anna Bridge 180:96ed750bd169 517 {
Anna Bridge 180:96ed750bd169 518 uint32_t result;
Anna Bridge 180:96ed750bd169 519 uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */
Anna Bridge 180:96ed750bd169 520
Anna Bridge 180:96ed750bd169 521 result = value; /* r will be reversed bits of v; first get LSB of v */
Anna Bridge 180:96ed750bd169 522 for (value >>= 1U; value != 0U; value >>= 1U)
Anna Bridge 180:96ed750bd169 523 {
Anna Bridge 180:96ed750bd169 524 result <<= 1U;
Anna Bridge 180:96ed750bd169 525 result |= value & 1U;
Anna Bridge 180:96ed750bd169 526 s--;
Anna Bridge 180:96ed750bd169 527 }
Anna Bridge 180:96ed750bd169 528 result <<= s; /* shift when v's highest bits are zero */
Anna Bridge 180:96ed750bd169 529 return result;
Anna Bridge 180:96ed750bd169 530 }
Anna Bridge 180:96ed750bd169 531 #endif
Anna Bridge 180:96ed750bd169 532
Anna Bridge 180:96ed750bd169 533
Anna Bridge 180:96ed750bd169 534 /**
Anna Bridge 180:96ed750bd169 535 \brief Count leading zeros
Anna Bridge 180:96ed750bd169 536 \details Counts the number of leading zeros of a data value.
Anna Bridge 180:96ed750bd169 537 \param [in] value Value to count the leading zeros
Anna Bridge 180:96ed750bd169 538 \return number of leading zeros in value
Anna Bridge 180:96ed750bd169 539 */
Anna Bridge 180:96ed750bd169 540 #define __CLZ __clz
Anna Bridge 180:96ed750bd169 541
Anna Bridge 180:96ed750bd169 542
Anna Bridge 180:96ed750bd169 543 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
Anna Bridge 180:96ed750bd169 544 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) )
Anna Bridge 180:96ed750bd169 545
Anna Bridge 180:96ed750bd169 546 /**
Anna Bridge 180:96ed750bd169 547 \brief LDR Exclusive (8 bit)
Anna Bridge 180:96ed750bd169 548 \details Executes a exclusive LDR instruction for 8 bit value.
Anna Bridge 180:96ed750bd169 549 \param [in] ptr Pointer to data
Anna Bridge 180:96ed750bd169 550 \return value of type uint8_t at (*ptr)
Anna Bridge 180:96ed750bd169 551 */
Anna Bridge 180:96ed750bd169 552 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
Anna Bridge 180:96ed750bd169 553 #define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr))
Anna Bridge 180:96ed750bd169 554 #else
Anna Bridge 180:96ed750bd169 555 #define __LDREXB(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint8_t ) __ldrex(ptr)) _Pragma("pop")
Anna Bridge 180:96ed750bd169 556 #endif
Anna Bridge 180:96ed750bd169 557
Anna Bridge 180:96ed750bd169 558
Anna Bridge 180:96ed750bd169 559 /**
Anna Bridge 180:96ed750bd169 560 \brief LDR Exclusive (16 bit)
Anna Bridge 180:96ed750bd169 561 \details Executes a exclusive LDR instruction for 16 bit values.
Anna Bridge 180:96ed750bd169 562 \param [in] ptr Pointer to data
Anna Bridge 180:96ed750bd169 563 \return value of type uint16_t at (*ptr)
Anna Bridge 180:96ed750bd169 564 */
Anna Bridge 180:96ed750bd169 565 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
Anna Bridge 180:96ed750bd169 566 #define __LDREXH(ptr) ((uint16_t) __ldrex(ptr))
Anna Bridge 180:96ed750bd169 567 #else
Anna Bridge 180:96ed750bd169 568 #define __LDREXH(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint16_t) __ldrex(ptr)) _Pragma("pop")
Anna Bridge 180:96ed750bd169 569 #endif
Anna Bridge 180:96ed750bd169 570
Anna Bridge 180:96ed750bd169 571
Anna Bridge 180:96ed750bd169 572 /**
Anna Bridge 180:96ed750bd169 573 \brief LDR Exclusive (32 bit)
Anna Bridge 180:96ed750bd169 574 \details Executes a exclusive LDR instruction for 32 bit values.
Anna Bridge 180:96ed750bd169 575 \param [in] ptr Pointer to data
Anna Bridge 180:96ed750bd169 576 \return value of type uint32_t at (*ptr)
Anna Bridge 180:96ed750bd169 577 */
Anna Bridge 180:96ed750bd169 578 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
Anna Bridge 180:96ed750bd169 579 #define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr))
Anna Bridge 180:96ed750bd169 580 #else
Anna Bridge 180:96ed750bd169 581 #define __LDREXW(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint32_t ) __ldrex(ptr)) _Pragma("pop")
Anna Bridge 180:96ed750bd169 582 #endif
Anna Bridge 180:96ed750bd169 583
Anna Bridge 180:96ed750bd169 584
Anna Bridge 180:96ed750bd169 585 /**
Anna Bridge 180:96ed750bd169 586 \brief STR Exclusive (8 bit)
Anna Bridge 180:96ed750bd169 587 \details Executes a exclusive STR instruction for 8 bit values.
Anna Bridge 180:96ed750bd169 588 \param [in] value Value to store
Anna Bridge 180:96ed750bd169 589 \param [in] ptr Pointer to location
Anna Bridge 180:96ed750bd169 590 \return 0 Function succeeded
Anna Bridge 180:96ed750bd169 591 \return 1 Function failed
Anna Bridge 180:96ed750bd169 592 */
Anna Bridge 180:96ed750bd169 593 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
Anna Bridge 180:96ed750bd169 594 #define __STREXB(value, ptr) __strex(value, ptr)
Anna Bridge 180:96ed750bd169 595 #else
Anna Bridge 180:96ed750bd169 596 #define __STREXB(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop")
Anna Bridge 180:96ed750bd169 597 #endif
Anna Bridge 180:96ed750bd169 598
Anna Bridge 180:96ed750bd169 599
Anna Bridge 180:96ed750bd169 600 /**
Anna Bridge 180:96ed750bd169 601 \brief STR Exclusive (16 bit)
Anna Bridge 180:96ed750bd169 602 \details Executes a exclusive STR instruction for 16 bit values.
Anna Bridge 180:96ed750bd169 603 \param [in] value Value to store
Anna Bridge 180:96ed750bd169 604 \param [in] ptr Pointer to location
Anna Bridge 180:96ed750bd169 605 \return 0 Function succeeded
Anna Bridge 180:96ed750bd169 606 \return 1 Function failed
Anna Bridge 180:96ed750bd169 607 */
Anna Bridge 180:96ed750bd169 608 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
Anna Bridge 180:96ed750bd169 609 #define __STREXH(value, ptr) __strex(value, ptr)
Anna Bridge 180:96ed750bd169 610 #else
Anna Bridge 180:96ed750bd169 611 #define __STREXH(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop")
Anna Bridge 180:96ed750bd169 612 #endif
Anna Bridge 180:96ed750bd169 613
Anna Bridge 180:96ed750bd169 614
Anna Bridge 180:96ed750bd169 615 /**
Anna Bridge 180:96ed750bd169 616 \brief STR Exclusive (32 bit)
Anna Bridge 180:96ed750bd169 617 \details Executes a exclusive STR instruction for 32 bit values.
Anna Bridge 180:96ed750bd169 618 \param [in] value Value to store
Anna Bridge 180:96ed750bd169 619 \param [in] ptr Pointer to location
Anna Bridge 180:96ed750bd169 620 \return 0 Function succeeded
Anna Bridge 180:96ed750bd169 621 \return 1 Function failed
Anna Bridge 180:96ed750bd169 622 */
Anna Bridge 180:96ed750bd169 623 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
Anna Bridge 180:96ed750bd169 624 #define __STREXW(value, ptr) __strex(value, ptr)
Anna Bridge 180:96ed750bd169 625 #else
Anna Bridge 180:96ed750bd169 626 #define __STREXW(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop")
Anna Bridge 180:96ed750bd169 627 #endif
Anna Bridge 180:96ed750bd169 628
Anna Bridge 180:96ed750bd169 629
Anna Bridge 180:96ed750bd169 630 /**
Anna Bridge 180:96ed750bd169 631 \brief Remove the exclusive lock
Anna Bridge 180:96ed750bd169 632 \details Removes the exclusive lock which is created by LDREX.
Anna Bridge 180:96ed750bd169 633 */
Anna Bridge 180:96ed750bd169 634 #define __CLREX __clrex
Anna Bridge 180:96ed750bd169 635
Anna Bridge 180:96ed750bd169 636
Anna Bridge 180:96ed750bd169 637 /**
Anna Bridge 180:96ed750bd169 638 \brief Signed Saturate
Anna Bridge 180:96ed750bd169 639 \details Saturates a signed value.
Anna Bridge 180:96ed750bd169 640 \param [in] value Value to be saturated
Anna Bridge 180:96ed750bd169 641 \param [in] sat Bit position to saturate to (1..32)
Anna Bridge 180:96ed750bd169 642 \return Saturated value
Anna Bridge 180:96ed750bd169 643 */
Anna Bridge 180:96ed750bd169 644 #define __SSAT __ssat
Anna Bridge 180:96ed750bd169 645
Anna Bridge 180:96ed750bd169 646
Anna Bridge 180:96ed750bd169 647 /**
Anna Bridge 180:96ed750bd169 648 \brief Unsigned Saturate
Anna Bridge 180:96ed750bd169 649 \details Saturates an unsigned value.
Anna Bridge 180:96ed750bd169 650 \param [in] value Value to be saturated
Anna Bridge 180:96ed750bd169 651 \param [in] sat Bit position to saturate to (0..31)
Anna Bridge 180:96ed750bd169 652 \return Saturated value
Anna Bridge 180:96ed750bd169 653 */
Anna Bridge 180:96ed750bd169 654 #define __USAT __usat
Anna Bridge 180:96ed750bd169 655
Anna Bridge 180:96ed750bd169 656
Anna Bridge 180:96ed750bd169 657 /**
Anna Bridge 180:96ed750bd169 658 \brief Rotate Right with Extend (32 bit)
Anna Bridge 180:96ed750bd169 659 \details Moves each bit of a bitstring right by one bit.
Anna Bridge 180:96ed750bd169 660 The carry input is shifted in at the left end of the bitstring.
Anna Bridge 180:96ed750bd169 661 \param [in] value Value to rotate
Anna Bridge 180:96ed750bd169 662 \return Rotated value
Anna Bridge 180:96ed750bd169 663 */
Anna Bridge 180:96ed750bd169 664 #ifndef __NO_EMBEDDED_ASM
Anna Bridge 180:96ed750bd169 665 __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value)
Anna Bridge 180:96ed750bd169 666 {
Anna Bridge 180:96ed750bd169 667 rrx r0, r0
Anna Bridge 180:96ed750bd169 668 bx lr
Anna Bridge 180:96ed750bd169 669 }
Anna Bridge 180:96ed750bd169 670 #endif
Anna Bridge 180:96ed750bd169 671
Anna Bridge 180:96ed750bd169 672
Anna Bridge 180:96ed750bd169 673 /**
Anna Bridge 180:96ed750bd169 674 \brief LDRT Unprivileged (8 bit)
Anna Bridge 180:96ed750bd169 675 \details Executes a Unprivileged LDRT instruction for 8 bit value.
Anna Bridge 180:96ed750bd169 676 \param [in] ptr Pointer to data
Anna Bridge 180:96ed750bd169 677 \return value of type uint8_t at (*ptr)
Anna Bridge 180:96ed750bd169 678 */
Anna Bridge 180:96ed750bd169 679 #define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr))
Anna Bridge 180:96ed750bd169 680
Anna Bridge 180:96ed750bd169 681
Anna Bridge 180:96ed750bd169 682 /**
Anna Bridge 180:96ed750bd169 683 \brief LDRT Unprivileged (16 bit)
Anna Bridge 180:96ed750bd169 684 \details Executes a Unprivileged LDRT instruction for 16 bit values.
Anna Bridge 180:96ed750bd169 685 \param [in] ptr Pointer to data
Anna Bridge 180:96ed750bd169 686 \return value of type uint16_t at (*ptr)
Anna Bridge 180:96ed750bd169 687 */
Anna Bridge 180:96ed750bd169 688 #define __LDRHT(ptr) ((uint16_t) __ldrt(ptr))
Anna Bridge 180:96ed750bd169 689
Anna Bridge 180:96ed750bd169 690
Anna Bridge 180:96ed750bd169 691 /**
Anna Bridge 180:96ed750bd169 692 \brief LDRT Unprivileged (32 bit)
Anna Bridge 180:96ed750bd169 693 \details Executes a Unprivileged LDRT instruction for 32 bit values.
Anna Bridge 180:96ed750bd169 694 \param [in] ptr Pointer to data
Anna Bridge 180:96ed750bd169 695 \return value of type uint32_t at (*ptr)
Anna Bridge 180:96ed750bd169 696 */
Anna Bridge 180:96ed750bd169 697 #define __LDRT(ptr) ((uint32_t ) __ldrt(ptr))
Anna Bridge 180:96ed750bd169 698
Anna Bridge 180:96ed750bd169 699
Anna Bridge 180:96ed750bd169 700 /**
Anna Bridge 180:96ed750bd169 701 \brief STRT Unprivileged (8 bit)
Anna Bridge 180:96ed750bd169 702 \details Executes a Unprivileged STRT instruction for 8 bit values.
Anna Bridge 180:96ed750bd169 703 \param [in] value Value to store
Anna Bridge 180:96ed750bd169 704 \param [in] ptr Pointer to location
Anna Bridge 180:96ed750bd169 705 */
Anna Bridge 180:96ed750bd169 706 #define __STRBT(value, ptr) __strt(value, ptr)
Anna Bridge 180:96ed750bd169 707
Anna Bridge 180:96ed750bd169 708
Anna Bridge 180:96ed750bd169 709 /**
Anna Bridge 180:96ed750bd169 710 \brief STRT Unprivileged (16 bit)
Anna Bridge 180:96ed750bd169 711 \details Executes a Unprivileged STRT instruction for 16 bit values.
Anna Bridge 180:96ed750bd169 712 \param [in] value Value to store
Anna Bridge 180:96ed750bd169 713 \param [in] ptr Pointer to location
Anna Bridge 180:96ed750bd169 714 */
Anna Bridge 180:96ed750bd169 715 #define __STRHT(value, ptr) __strt(value, ptr)
Anna Bridge 180:96ed750bd169 716
Anna Bridge 180:96ed750bd169 717
Anna Bridge 180:96ed750bd169 718 /**
Anna Bridge 180:96ed750bd169 719 \brief STRT Unprivileged (32 bit)
Anna Bridge 180:96ed750bd169 720 \details Executes a Unprivileged STRT instruction for 32 bit values.
Anna Bridge 180:96ed750bd169 721 \param [in] value Value to store
Anna Bridge 180:96ed750bd169 722 \param [in] ptr Pointer to location
Anna Bridge 180:96ed750bd169 723 */
Anna Bridge 180:96ed750bd169 724 #define __STRT(value, ptr) __strt(value, ptr)
Anna Bridge 180:96ed750bd169 725
Anna Bridge 180:96ed750bd169 726 #else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
Anna Bridge 180:96ed750bd169 727 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */
Anna Bridge 180:96ed750bd169 728
Anna Bridge 180:96ed750bd169 729 /**
Anna Bridge 180:96ed750bd169 730 \brief Signed Saturate
Anna Bridge 180:96ed750bd169 731 \details Saturates a signed value.
Anna Bridge 180:96ed750bd169 732 \param [in] value Value to be saturated
Anna Bridge 180:96ed750bd169 733 \param [in] sat Bit position to saturate to (1..32)
Anna Bridge 180:96ed750bd169 734 \return Saturated value
Anna Bridge 180:96ed750bd169 735 */
Anna Bridge 180:96ed750bd169 736 __attribute__((always_inline)) __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat)
Anna Bridge 180:96ed750bd169 737 {
Anna Bridge 186:707f6e361f3e 738 if ((sat >= 1U) && (sat <= 32U))
Anna Bridge 186:707f6e361f3e 739 {
Anna Bridge 180:96ed750bd169 740 const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U);
Anna Bridge 180:96ed750bd169 741 const int32_t min = -1 - max ;
Anna Bridge 186:707f6e361f3e 742 if (val > max)
Anna Bridge 186:707f6e361f3e 743 {
Anna Bridge 180:96ed750bd169 744 return max;
Anna Bridge 186:707f6e361f3e 745 }
Anna Bridge 186:707f6e361f3e 746 else if (val < min)
Anna Bridge 186:707f6e361f3e 747 {
Anna Bridge 180:96ed750bd169 748 return min;
Anna Bridge 180:96ed750bd169 749 }
Anna Bridge 180:96ed750bd169 750 }
Anna Bridge 180:96ed750bd169 751 return val;
Anna Bridge 180:96ed750bd169 752 }
Anna Bridge 180:96ed750bd169 753
Anna Bridge 180:96ed750bd169 754 /**
Anna Bridge 180:96ed750bd169 755 \brief Unsigned Saturate
Anna Bridge 180:96ed750bd169 756 \details Saturates an unsigned value.
Anna Bridge 180:96ed750bd169 757 \param [in] value Value to be saturated
Anna Bridge 180:96ed750bd169 758 \param [in] sat Bit position to saturate to (0..31)
Anna Bridge 180:96ed750bd169 759 \return Saturated value
Anna Bridge 180:96ed750bd169 760 */
Anna Bridge 180:96ed750bd169 761 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat)
Anna Bridge 180:96ed750bd169 762 {
Anna Bridge 186:707f6e361f3e 763 if (sat <= 31U)
Anna Bridge 186:707f6e361f3e 764 {
Anna Bridge 180:96ed750bd169 765 const uint32_t max = ((1U << sat) - 1U);
Anna Bridge 186:707f6e361f3e 766 if (val > (int32_t)max)
Anna Bridge 186:707f6e361f3e 767 {
Anna Bridge 180:96ed750bd169 768 return max;
Anna Bridge 186:707f6e361f3e 769 }
Anna Bridge 186:707f6e361f3e 770 else if (val < 0)
Anna Bridge 186:707f6e361f3e 771 {
Anna Bridge 180:96ed750bd169 772 return 0U;
Anna Bridge 180:96ed750bd169 773 }
Anna Bridge 180:96ed750bd169 774 }
Anna Bridge 180:96ed750bd169 775 return (uint32_t)val;
Anna Bridge 180:96ed750bd169 776 }
Anna Bridge 180:96ed750bd169 777
Anna Bridge 180:96ed750bd169 778 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
Anna Bridge 180:96ed750bd169 779 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */
Anna Bridge 180:96ed750bd169 780
Anna Bridge 180:96ed750bd169 781 /*@}*/ /* end of group CMSIS_Core_InstructionInterface */
Anna Bridge 180:96ed750bd169 782
Anna Bridge 180:96ed750bd169 783
Anna Bridge 180:96ed750bd169 784 /* ################### Compiler specific Intrinsics ########################### */
Anna Bridge 180:96ed750bd169 785 /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
Anna Bridge 180:96ed750bd169 786 Access to dedicated SIMD instructions
Anna Bridge 180:96ed750bd169 787 @{
Anna Bridge 180:96ed750bd169 788 */
Anna Bridge 180:96ed750bd169 789
Anna Bridge 180:96ed750bd169 790 #if ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) )
Anna Bridge 180:96ed750bd169 791
Anna Bridge 180:96ed750bd169 792 #define __SADD8 __sadd8
Anna Bridge 180:96ed750bd169 793 #define __QADD8 __qadd8
Anna Bridge 180:96ed750bd169 794 #define __SHADD8 __shadd8
Anna Bridge 180:96ed750bd169 795 #define __UADD8 __uadd8
Anna Bridge 180:96ed750bd169 796 #define __UQADD8 __uqadd8
Anna Bridge 180:96ed750bd169 797 #define __UHADD8 __uhadd8
Anna Bridge 180:96ed750bd169 798 #define __SSUB8 __ssub8
Anna Bridge 180:96ed750bd169 799 #define __QSUB8 __qsub8
Anna Bridge 180:96ed750bd169 800 #define __SHSUB8 __shsub8
Anna Bridge 180:96ed750bd169 801 #define __USUB8 __usub8
Anna Bridge 180:96ed750bd169 802 #define __UQSUB8 __uqsub8
Anna Bridge 180:96ed750bd169 803 #define __UHSUB8 __uhsub8
Anna Bridge 180:96ed750bd169 804 #define __SADD16 __sadd16
Anna Bridge 180:96ed750bd169 805 #define __QADD16 __qadd16
Anna Bridge 180:96ed750bd169 806 #define __SHADD16 __shadd16
Anna Bridge 180:96ed750bd169 807 #define __UADD16 __uadd16
Anna Bridge 180:96ed750bd169 808 #define __UQADD16 __uqadd16
Anna Bridge 180:96ed750bd169 809 #define __UHADD16 __uhadd16
Anna Bridge 180:96ed750bd169 810 #define __SSUB16 __ssub16
Anna Bridge 180:96ed750bd169 811 #define __QSUB16 __qsub16
Anna Bridge 180:96ed750bd169 812 #define __SHSUB16 __shsub16
Anna Bridge 180:96ed750bd169 813 #define __USUB16 __usub16
Anna Bridge 180:96ed750bd169 814 #define __UQSUB16 __uqsub16
Anna Bridge 180:96ed750bd169 815 #define __UHSUB16 __uhsub16
Anna Bridge 180:96ed750bd169 816 #define __SASX __sasx
Anna Bridge 180:96ed750bd169 817 #define __QASX __qasx
Anna Bridge 180:96ed750bd169 818 #define __SHASX __shasx
Anna Bridge 180:96ed750bd169 819 #define __UASX __uasx
Anna Bridge 180:96ed750bd169 820 #define __UQASX __uqasx
Anna Bridge 180:96ed750bd169 821 #define __UHASX __uhasx
Anna Bridge 180:96ed750bd169 822 #define __SSAX __ssax
Anna Bridge 180:96ed750bd169 823 #define __QSAX __qsax
Anna Bridge 180:96ed750bd169 824 #define __SHSAX __shsax
Anna Bridge 180:96ed750bd169 825 #define __USAX __usax
Anna Bridge 180:96ed750bd169 826 #define __UQSAX __uqsax
Anna Bridge 180:96ed750bd169 827 #define __UHSAX __uhsax
Anna Bridge 180:96ed750bd169 828 #define __USAD8 __usad8
Anna Bridge 180:96ed750bd169 829 #define __USADA8 __usada8
Anna Bridge 180:96ed750bd169 830 #define __SSAT16 __ssat16
Anna Bridge 180:96ed750bd169 831 #define __USAT16 __usat16
Anna Bridge 180:96ed750bd169 832 #define __UXTB16 __uxtb16
Anna Bridge 180:96ed750bd169 833 #define __UXTAB16 __uxtab16
Anna Bridge 180:96ed750bd169 834 #define __SXTB16 __sxtb16
Anna Bridge 180:96ed750bd169 835 #define __SXTAB16 __sxtab16
Anna Bridge 180:96ed750bd169 836 #define __SMUAD __smuad
Anna Bridge 180:96ed750bd169 837 #define __SMUADX __smuadx
Anna Bridge 180:96ed750bd169 838 #define __SMLAD __smlad
Anna Bridge 180:96ed750bd169 839 #define __SMLADX __smladx
Anna Bridge 180:96ed750bd169 840 #define __SMLALD __smlald
Anna Bridge 180:96ed750bd169 841 #define __SMLALDX __smlaldx
Anna Bridge 180:96ed750bd169 842 #define __SMUSD __smusd
Anna Bridge 180:96ed750bd169 843 #define __SMUSDX __smusdx
Anna Bridge 180:96ed750bd169 844 #define __SMLSD __smlsd
Anna Bridge 180:96ed750bd169 845 #define __SMLSDX __smlsdx
Anna Bridge 180:96ed750bd169 846 #define __SMLSLD __smlsld
Anna Bridge 180:96ed750bd169 847 #define __SMLSLDX __smlsldx
Anna Bridge 180:96ed750bd169 848 #define __SEL __sel
Anna Bridge 180:96ed750bd169 849 #define __QADD __qadd
Anna Bridge 180:96ed750bd169 850 #define __QSUB __qsub
Anna Bridge 180:96ed750bd169 851
Anna Bridge 180:96ed750bd169 852 #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \
Anna Bridge 180:96ed750bd169 853 ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) )
Anna Bridge 180:96ed750bd169 854
Anna Bridge 180:96ed750bd169 855 #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \
Anna Bridge 180:96ed750bd169 856 ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) )
Anna Bridge 180:96ed750bd169 857
Anna Bridge 180:96ed750bd169 858 #define __SMMLA(ARG1,ARG2,ARG3) ( (int32_t)((((int64_t)(ARG1) * (ARG2)) + \
Anna Bridge 180:96ed750bd169 859 ((int64_t)(ARG3) << 32U) ) >> 32U))
Anna Bridge 180:96ed750bd169 860
Anna Bridge 180:96ed750bd169 861 #endif /* ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */
Anna Bridge 180:96ed750bd169 862 /*@} end of group CMSIS_SIMD_intrinsics */
Anna Bridge 180:96ed750bd169 863
Anna Bridge 180:96ed750bd169 864
Anna Bridge 180:96ed750bd169 865 #endif /* __CMSIS_ARMCC_H */