PHung Tung / SRC_STM32F7

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targets/cmsis/core_cmFunc.h@0:e87aa4c49e95, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:51:46 2019 +0000
Revision:
0:e87aa4c49e95
libray

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phungductung 0:e87aa4c49e95 1 /**************************************************************************//**
phungductung 0:e87aa4c49e95 2 * @file core_cmFunc.h
phungductung 0:e87aa4c49e95 3 * @brief CMSIS Cortex-M Core Function Access Header File
phungductung 0:e87aa4c49e95 4 * @version V4.10
phungductung 0:e87aa4c49e95 5 * @date 18. March 2015
phungductung 0:e87aa4c49e95 6 *
phungductung 0:e87aa4c49e95 7 * @note
phungductung 0:e87aa4c49e95 8 *
phungductung 0:e87aa4c49e95 9 ******************************************************************************/
phungductung 0:e87aa4c49e95 10 /* Copyright (c) 2009 - 2015 ARM LIMITED
phungductung 0:e87aa4c49e95 11
phungductung 0:e87aa4c49e95 12 All rights reserved.
phungductung 0:e87aa4c49e95 13 Redistribution and use in source and binary forms, with or without
phungductung 0:e87aa4c49e95 14 modification, are permitted provided that the following conditions are met:
phungductung 0:e87aa4c49e95 15 - Redistributions of source code must retain the above copyright
phungductung 0:e87aa4c49e95 16 notice, this list of conditions and the following disclaimer.
phungductung 0:e87aa4c49e95 17 - Redistributions in binary form must reproduce the above copyright
phungductung 0:e87aa4c49e95 18 notice, this list of conditions and the following disclaimer in the
phungductung 0:e87aa4c49e95 19 documentation and/or other materials provided with the distribution.
phungductung 0:e87aa4c49e95 20 - Neither the name of ARM nor the names of its contributors may be used
phungductung 0:e87aa4c49e95 21 to endorse or promote products derived from this software without
phungductung 0:e87aa4c49e95 22 specific prior written permission.
phungductung 0:e87aa4c49e95 23 *
phungductung 0:e87aa4c49e95 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
phungductung 0:e87aa4c49e95 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
phungductung 0:e87aa4c49e95 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
phungductung 0:e87aa4c49e95 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
phungductung 0:e87aa4c49e95 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
phungductung 0:e87aa4c49e95 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
phungductung 0:e87aa4c49e95 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
phungductung 0:e87aa4c49e95 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
phungductung 0:e87aa4c49e95 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
phungductung 0:e87aa4c49e95 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
phungductung 0:e87aa4c49e95 34 POSSIBILITY OF SUCH DAMAGE.
phungductung 0:e87aa4c49e95 35 ---------------------------------------------------------------------------*/
phungductung 0:e87aa4c49e95 36
phungductung 0:e87aa4c49e95 37
phungductung 0:e87aa4c49e95 38 #ifndef __CORE_CMFUNC_H
phungductung 0:e87aa4c49e95 39 #define __CORE_CMFUNC_H
phungductung 0:e87aa4c49e95 40
phungductung 0:e87aa4c49e95 41
phungductung 0:e87aa4c49e95 42 /* ########################### Core Function Access ########################### */
phungductung 0:e87aa4c49e95 43 /** \ingroup CMSIS_Core_FunctionInterface
phungductung 0:e87aa4c49e95 44 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
phungductung 0:e87aa4c49e95 45 @{
phungductung 0:e87aa4c49e95 46 */
phungductung 0:e87aa4c49e95 47
phungductung 0:e87aa4c49e95 48 #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
phungductung 0:e87aa4c49e95 49 /* ARM armcc specific functions */
phungductung 0:e87aa4c49e95 50
phungductung 0:e87aa4c49e95 51 #if (__ARMCC_VERSION < 400677)
phungductung 0:e87aa4c49e95 52 #error "Please use ARM Compiler Toolchain V4.0.677 or later!"
phungductung 0:e87aa4c49e95 53 #endif
phungductung 0:e87aa4c49e95 54
phungductung 0:e87aa4c49e95 55 /* intrinsic void __enable_irq(); */
phungductung 0:e87aa4c49e95 56 /* intrinsic void __disable_irq(); */
phungductung 0:e87aa4c49e95 57
phungductung 0:e87aa4c49e95 58 /** \brief Get Control Register
phungductung 0:e87aa4c49e95 59
phungductung 0:e87aa4c49e95 60 This function returns the content of the Control Register.
phungductung 0:e87aa4c49e95 61
phungductung 0:e87aa4c49e95 62 \return Control Register value
phungductung 0:e87aa4c49e95 63 */
phungductung 0:e87aa4c49e95 64 __STATIC_INLINE uint32_t __get_CONTROL(void)
phungductung 0:e87aa4c49e95 65 {
phungductung 0:e87aa4c49e95 66 register uint32_t __regControl __ASM("control");
phungductung 0:e87aa4c49e95 67 return(__regControl);
phungductung 0:e87aa4c49e95 68 }
phungductung 0:e87aa4c49e95 69
phungductung 0:e87aa4c49e95 70
phungductung 0:e87aa4c49e95 71 /** \brief Set Control Register
phungductung 0:e87aa4c49e95 72
phungductung 0:e87aa4c49e95 73 This function writes the given value to the Control Register.
phungductung 0:e87aa4c49e95 74
phungductung 0:e87aa4c49e95 75 \param [in] control Control Register value to set
phungductung 0:e87aa4c49e95 76 */
phungductung 0:e87aa4c49e95 77 __STATIC_INLINE void __set_CONTROL(uint32_t control)
phungductung 0:e87aa4c49e95 78 {
phungductung 0:e87aa4c49e95 79 register uint32_t __regControl __ASM("control");
phungductung 0:e87aa4c49e95 80 __regControl = control;
phungductung 0:e87aa4c49e95 81 }
phungductung 0:e87aa4c49e95 82
phungductung 0:e87aa4c49e95 83
phungductung 0:e87aa4c49e95 84 /** \brief Get IPSR Register
phungductung 0:e87aa4c49e95 85
phungductung 0:e87aa4c49e95 86 This function returns the content of the IPSR Register.
phungductung 0:e87aa4c49e95 87
phungductung 0:e87aa4c49e95 88 \return IPSR Register value
phungductung 0:e87aa4c49e95 89 */
phungductung 0:e87aa4c49e95 90 __STATIC_INLINE uint32_t __get_IPSR(void)
phungductung 0:e87aa4c49e95 91 {
phungductung 0:e87aa4c49e95 92 register uint32_t __regIPSR __ASM("ipsr");
phungductung 0:e87aa4c49e95 93 return(__regIPSR);
phungductung 0:e87aa4c49e95 94 }
phungductung 0:e87aa4c49e95 95
phungductung 0:e87aa4c49e95 96
phungductung 0:e87aa4c49e95 97 /** \brief Get APSR Register
phungductung 0:e87aa4c49e95 98
phungductung 0:e87aa4c49e95 99 This function returns the content of the APSR Register.
phungductung 0:e87aa4c49e95 100
phungductung 0:e87aa4c49e95 101 \return APSR Register value
phungductung 0:e87aa4c49e95 102 */
phungductung 0:e87aa4c49e95 103 __STATIC_INLINE uint32_t __get_APSR(void)
phungductung 0:e87aa4c49e95 104 {
phungductung 0:e87aa4c49e95 105 register uint32_t __regAPSR __ASM("apsr");
phungductung 0:e87aa4c49e95 106 return(__regAPSR);
phungductung 0:e87aa4c49e95 107 }
phungductung 0:e87aa4c49e95 108
phungductung 0:e87aa4c49e95 109
phungductung 0:e87aa4c49e95 110 /** \brief Get xPSR Register
phungductung 0:e87aa4c49e95 111
phungductung 0:e87aa4c49e95 112 This function returns the content of the xPSR Register.
phungductung 0:e87aa4c49e95 113
phungductung 0:e87aa4c49e95 114 \return xPSR Register value
phungductung 0:e87aa4c49e95 115 */
phungductung 0:e87aa4c49e95 116 __STATIC_INLINE uint32_t __get_xPSR(void)
phungductung 0:e87aa4c49e95 117 {
phungductung 0:e87aa4c49e95 118 register uint32_t __regXPSR __ASM("xpsr");
phungductung 0:e87aa4c49e95 119 return(__regXPSR);
phungductung 0:e87aa4c49e95 120 }
phungductung 0:e87aa4c49e95 121
phungductung 0:e87aa4c49e95 122
phungductung 0:e87aa4c49e95 123 /** \brief Get Process Stack Pointer
phungductung 0:e87aa4c49e95 124
phungductung 0:e87aa4c49e95 125 This function returns the current value of the Process Stack Pointer (PSP).
phungductung 0:e87aa4c49e95 126
phungductung 0:e87aa4c49e95 127 \return PSP Register value
phungductung 0:e87aa4c49e95 128 */
phungductung 0:e87aa4c49e95 129 __STATIC_INLINE uint32_t __get_PSP(void)
phungductung 0:e87aa4c49e95 130 {
phungductung 0:e87aa4c49e95 131 register uint32_t __regProcessStackPointer __ASM("psp");
phungductung 0:e87aa4c49e95 132 return(__regProcessStackPointer);
phungductung 0:e87aa4c49e95 133 }
phungductung 0:e87aa4c49e95 134
phungductung 0:e87aa4c49e95 135
phungductung 0:e87aa4c49e95 136 /** \brief Set Process Stack Pointer
phungductung 0:e87aa4c49e95 137
phungductung 0:e87aa4c49e95 138 This function assigns the given value to the Process Stack Pointer (PSP).
phungductung 0:e87aa4c49e95 139
phungductung 0:e87aa4c49e95 140 \param [in] topOfProcStack Process Stack Pointer value to set
phungductung 0:e87aa4c49e95 141 */
phungductung 0:e87aa4c49e95 142 __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
phungductung 0:e87aa4c49e95 143 {
phungductung 0:e87aa4c49e95 144 register uint32_t __regProcessStackPointer __ASM("psp");
phungductung 0:e87aa4c49e95 145 __regProcessStackPointer = topOfProcStack;
phungductung 0:e87aa4c49e95 146 }
phungductung 0:e87aa4c49e95 147
phungductung 0:e87aa4c49e95 148
phungductung 0:e87aa4c49e95 149 /** \brief Get Main Stack Pointer
phungductung 0:e87aa4c49e95 150
phungductung 0:e87aa4c49e95 151 This function returns the current value of the Main Stack Pointer (MSP).
phungductung 0:e87aa4c49e95 152
phungductung 0:e87aa4c49e95 153 \return MSP Register value
phungductung 0:e87aa4c49e95 154 */
phungductung 0:e87aa4c49e95 155 __STATIC_INLINE uint32_t __get_MSP(void)
phungductung 0:e87aa4c49e95 156 {
phungductung 0:e87aa4c49e95 157 register uint32_t __regMainStackPointer __ASM("msp");
phungductung 0:e87aa4c49e95 158 return(__regMainStackPointer);
phungductung 0:e87aa4c49e95 159 }
phungductung 0:e87aa4c49e95 160
phungductung 0:e87aa4c49e95 161
phungductung 0:e87aa4c49e95 162 /** \brief Set Main Stack Pointer
phungductung 0:e87aa4c49e95 163
phungductung 0:e87aa4c49e95 164 This function assigns the given value to the Main Stack Pointer (MSP).
phungductung 0:e87aa4c49e95 165
phungductung 0:e87aa4c49e95 166 \param [in] topOfMainStack Main Stack Pointer value to set
phungductung 0:e87aa4c49e95 167 */
phungductung 0:e87aa4c49e95 168 __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
phungductung 0:e87aa4c49e95 169 {
phungductung 0:e87aa4c49e95 170 register uint32_t __regMainStackPointer __ASM("msp");
phungductung 0:e87aa4c49e95 171 __regMainStackPointer = topOfMainStack;
phungductung 0:e87aa4c49e95 172 }
phungductung 0:e87aa4c49e95 173
phungductung 0:e87aa4c49e95 174
phungductung 0:e87aa4c49e95 175 /** \brief Get Priority Mask
phungductung 0:e87aa4c49e95 176
phungductung 0:e87aa4c49e95 177 This function returns the current state of the priority mask bit from the Priority Mask Register.
phungductung 0:e87aa4c49e95 178
phungductung 0:e87aa4c49e95 179 \return Priority Mask value
phungductung 0:e87aa4c49e95 180 */
phungductung 0:e87aa4c49e95 181 __STATIC_INLINE uint32_t __get_PRIMASK(void)
phungductung 0:e87aa4c49e95 182 {
phungductung 0:e87aa4c49e95 183 register uint32_t __regPriMask __ASM("primask");
phungductung 0:e87aa4c49e95 184 return(__regPriMask);
phungductung 0:e87aa4c49e95 185 }
phungductung 0:e87aa4c49e95 186
phungductung 0:e87aa4c49e95 187
phungductung 0:e87aa4c49e95 188 /** \brief Set Priority Mask
phungductung 0:e87aa4c49e95 189
phungductung 0:e87aa4c49e95 190 This function assigns the given value to the Priority Mask Register.
phungductung 0:e87aa4c49e95 191
phungductung 0:e87aa4c49e95 192 \param [in] priMask Priority Mask
phungductung 0:e87aa4c49e95 193 */
phungductung 0:e87aa4c49e95 194 __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
phungductung 0:e87aa4c49e95 195 {
phungductung 0:e87aa4c49e95 196 register uint32_t __regPriMask __ASM("primask");
phungductung 0:e87aa4c49e95 197 __regPriMask = (priMask);
phungductung 0:e87aa4c49e95 198 }
phungductung 0:e87aa4c49e95 199
phungductung 0:e87aa4c49e95 200
phungductung 0:e87aa4c49e95 201 #if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300)
phungductung 0:e87aa4c49e95 202
phungductung 0:e87aa4c49e95 203 /** \brief Enable FIQ
phungductung 0:e87aa4c49e95 204
phungductung 0:e87aa4c49e95 205 This function enables FIQ interrupts by clearing the F-bit in the CPSR.
phungductung 0:e87aa4c49e95 206 Can only be executed in Privileged modes.
phungductung 0:e87aa4c49e95 207 */
phungductung 0:e87aa4c49e95 208 #define __enable_fault_irq __enable_fiq
phungductung 0:e87aa4c49e95 209
phungductung 0:e87aa4c49e95 210
phungductung 0:e87aa4c49e95 211 /** \brief Disable FIQ
phungductung 0:e87aa4c49e95 212
phungductung 0:e87aa4c49e95 213 This function disables FIQ interrupts by setting the F-bit in the CPSR.
phungductung 0:e87aa4c49e95 214 Can only be executed in Privileged modes.
phungductung 0:e87aa4c49e95 215 */
phungductung 0:e87aa4c49e95 216 #define __disable_fault_irq __disable_fiq
phungductung 0:e87aa4c49e95 217
phungductung 0:e87aa4c49e95 218
phungductung 0:e87aa4c49e95 219 /** \brief Get Base Priority
phungductung 0:e87aa4c49e95 220
phungductung 0:e87aa4c49e95 221 This function returns the current value of the Base Priority register.
phungductung 0:e87aa4c49e95 222
phungductung 0:e87aa4c49e95 223 \return Base Priority register value
phungductung 0:e87aa4c49e95 224 */
phungductung 0:e87aa4c49e95 225 __STATIC_INLINE uint32_t __get_BASEPRI(void)
phungductung 0:e87aa4c49e95 226 {
phungductung 0:e87aa4c49e95 227 register uint32_t __regBasePri __ASM("basepri");
phungductung 0:e87aa4c49e95 228 return(__regBasePri);
phungductung 0:e87aa4c49e95 229 }
phungductung 0:e87aa4c49e95 230
phungductung 0:e87aa4c49e95 231
phungductung 0:e87aa4c49e95 232 /** \brief Set Base Priority
phungductung 0:e87aa4c49e95 233
phungductung 0:e87aa4c49e95 234 This function assigns the given value to the Base Priority register.
phungductung 0:e87aa4c49e95 235
phungductung 0:e87aa4c49e95 236 \param [in] basePri Base Priority value to set
phungductung 0:e87aa4c49e95 237 */
phungductung 0:e87aa4c49e95 238 __STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
phungductung 0:e87aa4c49e95 239 {
phungductung 0:e87aa4c49e95 240 register uint32_t __regBasePri __ASM("basepri");
phungductung 0:e87aa4c49e95 241 __regBasePri = (basePri & 0xff);
phungductung 0:e87aa4c49e95 242 }
phungductung 0:e87aa4c49e95 243
phungductung 0:e87aa4c49e95 244
phungductung 0:e87aa4c49e95 245 /** \brief Set Base Priority with condition
phungductung 0:e87aa4c49e95 246
phungductung 0:e87aa4c49e95 247 This function assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
phungductung 0:e87aa4c49e95 248 or the new value increases the BASEPRI priority level.
phungductung 0:e87aa4c49e95 249
phungductung 0:e87aa4c49e95 250 \param [in] basePri Base Priority value to set
phungductung 0:e87aa4c49e95 251 */
phungductung 0:e87aa4c49e95 252 __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri)
phungductung 0:e87aa4c49e95 253 {
phungductung 0:e87aa4c49e95 254 register uint32_t __regBasePriMax __ASM("basepri_max");
phungductung 0:e87aa4c49e95 255 __regBasePriMax = (basePri & 0xff);
phungductung 0:e87aa4c49e95 256 }
phungductung 0:e87aa4c49e95 257
phungductung 0:e87aa4c49e95 258
phungductung 0:e87aa4c49e95 259 /** \brief Get Fault Mask
phungductung 0:e87aa4c49e95 260
phungductung 0:e87aa4c49e95 261 This function returns the current value of the Fault Mask register.
phungductung 0:e87aa4c49e95 262
phungductung 0:e87aa4c49e95 263 \return Fault Mask register value
phungductung 0:e87aa4c49e95 264 */
phungductung 0:e87aa4c49e95 265 __STATIC_INLINE uint32_t __get_FAULTMASK(void)
phungductung 0:e87aa4c49e95 266 {
phungductung 0:e87aa4c49e95 267 register uint32_t __regFaultMask __ASM("faultmask");
phungductung 0:e87aa4c49e95 268 return(__regFaultMask);
phungductung 0:e87aa4c49e95 269 }
phungductung 0:e87aa4c49e95 270
phungductung 0:e87aa4c49e95 271
phungductung 0:e87aa4c49e95 272 /** \brief Set Fault Mask
phungductung 0:e87aa4c49e95 273
phungductung 0:e87aa4c49e95 274 This function assigns the given value to the Fault Mask register.
phungductung 0:e87aa4c49e95 275
phungductung 0:e87aa4c49e95 276 \param [in] faultMask Fault Mask value to set
phungductung 0:e87aa4c49e95 277 */
phungductung 0:e87aa4c49e95 278 __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
phungductung 0:e87aa4c49e95 279 {
phungductung 0:e87aa4c49e95 280 register uint32_t __regFaultMask __ASM("faultmask");
phungductung 0:e87aa4c49e95 281 __regFaultMask = (faultMask & (uint32_t)1);
phungductung 0:e87aa4c49e95 282 }
phungductung 0:e87aa4c49e95 283
phungductung 0:e87aa4c49e95 284 #endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */
phungductung 0:e87aa4c49e95 285
phungductung 0:e87aa4c49e95 286
phungductung 0:e87aa4c49e95 287 #if (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07)
phungductung 0:e87aa4c49e95 288
phungductung 0:e87aa4c49e95 289 /** \brief Get FPSCR
phungductung 0:e87aa4c49e95 290
phungductung 0:e87aa4c49e95 291 This function returns the current value of the Floating Point Status/Control register.
phungductung 0:e87aa4c49e95 292
phungductung 0:e87aa4c49e95 293 \return Floating Point Status/Control register value
phungductung 0:e87aa4c49e95 294 */
phungductung 0:e87aa4c49e95 295 __STATIC_INLINE uint32_t __get_FPSCR(void)
phungductung 0:e87aa4c49e95 296 {
phungductung 0:e87aa4c49e95 297 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
phungductung 0:e87aa4c49e95 298 register uint32_t __regfpscr __ASM("fpscr");
phungductung 0:e87aa4c49e95 299 return(__regfpscr);
phungductung 0:e87aa4c49e95 300 #else
phungductung 0:e87aa4c49e95 301 return(0);
phungductung 0:e87aa4c49e95 302 #endif
phungductung 0:e87aa4c49e95 303 }
phungductung 0:e87aa4c49e95 304
phungductung 0:e87aa4c49e95 305
phungductung 0:e87aa4c49e95 306 /** \brief Set FPSCR
phungductung 0:e87aa4c49e95 307
phungductung 0:e87aa4c49e95 308 This function assigns the given value to the Floating Point Status/Control register.
phungductung 0:e87aa4c49e95 309
phungductung 0:e87aa4c49e95 310 \param [in] fpscr Floating Point Status/Control value to set
phungductung 0:e87aa4c49e95 311 */
phungductung 0:e87aa4c49e95 312 __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
phungductung 0:e87aa4c49e95 313 {
phungductung 0:e87aa4c49e95 314 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
phungductung 0:e87aa4c49e95 315 register uint32_t __regfpscr __ASM("fpscr");
phungductung 0:e87aa4c49e95 316 __regfpscr = (fpscr);
phungductung 0:e87aa4c49e95 317 #endif
phungductung 0:e87aa4c49e95 318 }
phungductung 0:e87aa4c49e95 319
phungductung 0:e87aa4c49e95 320 #endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */
phungductung 0:e87aa4c49e95 321
phungductung 0:e87aa4c49e95 322
phungductung 0:e87aa4c49e95 323 #elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
phungductung 0:e87aa4c49e95 324 /* GNU gcc specific functions */
phungductung 0:e87aa4c49e95 325
phungductung 0:e87aa4c49e95 326 /** \brief Enable IRQ Interrupts
phungductung 0:e87aa4c49e95 327
phungductung 0:e87aa4c49e95 328 This function enables IRQ interrupts by clearing the I-bit in the CPSR.
phungductung 0:e87aa4c49e95 329 Can only be executed in Privileged modes.
phungductung 0:e87aa4c49e95 330 */
phungductung 0:e87aa4c49e95 331 __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void)
phungductung 0:e87aa4c49e95 332 {
phungductung 0:e87aa4c49e95 333 __ASM volatile ("cpsie i" : : : "memory");
phungductung 0:e87aa4c49e95 334 }
phungductung 0:e87aa4c49e95 335
phungductung 0:e87aa4c49e95 336
phungductung 0:e87aa4c49e95 337 /** \brief Disable IRQ Interrupts
phungductung 0:e87aa4c49e95 338
phungductung 0:e87aa4c49e95 339 This function disables IRQ interrupts by setting the I-bit in the CPSR.
phungductung 0:e87aa4c49e95 340 Can only be executed in Privileged modes.
phungductung 0:e87aa4c49e95 341 */
phungductung 0:e87aa4c49e95 342 __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void)
phungductung 0:e87aa4c49e95 343 {
phungductung 0:e87aa4c49e95 344 __ASM volatile ("cpsid i" : : : "memory");
phungductung 0:e87aa4c49e95 345 }
phungductung 0:e87aa4c49e95 346
phungductung 0:e87aa4c49e95 347
phungductung 0:e87aa4c49e95 348 /** \brief Get Control Register
phungductung 0:e87aa4c49e95 349
phungductung 0:e87aa4c49e95 350 This function returns the content of the Control Register.
phungductung 0:e87aa4c49e95 351
phungductung 0:e87aa4c49e95 352 \return Control Register value
phungductung 0:e87aa4c49e95 353 */
phungductung 0:e87aa4c49e95 354 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void)
phungductung 0:e87aa4c49e95 355 {
phungductung 0:e87aa4c49e95 356 uint32_t result;
phungductung 0:e87aa4c49e95 357
phungductung 0:e87aa4c49e95 358 __ASM volatile ("MRS %0, control" : "=r" (result) );
phungductung 0:e87aa4c49e95 359 return(result);
phungductung 0:e87aa4c49e95 360 }
phungductung 0:e87aa4c49e95 361
phungductung 0:e87aa4c49e95 362
phungductung 0:e87aa4c49e95 363 /** \brief Set Control Register
phungductung 0:e87aa4c49e95 364
phungductung 0:e87aa4c49e95 365 This function writes the given value to the Control Register.
phungductung 0:e87aa4c49e95 366
phungductung 0:e87aa4c49e95 367 \param [in] control Control Register value to set
phungductung 0:e87aa4c49e95 368 */
phungductung 0:e87aa4c49e95 369 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control)
phungductung 0:e87aa4c49e95 370 {
phungductung 0:e87aa4c49e95 371 __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
phungductung 0:e87aa4c49e95 372 }
phungductung 0:e87aa4c49e95 373
phungductung 0:e87aa4c49e95 374
phungductung 0:e87aa4c49e95 375 /** \brief Get IPSR Register
phungductung 0:e87aa4c49e95 376
phungductung 0:e87aa4c49e95 377 This function returns the content of the IPSR Register.
phungductung 0:e87aa4c49e95 378
phungductung 0:e87aa4c49e95 379 \return IPSR Register value
phungductung 0:e87aa4c49e95 380 */
phungductung 0:e87aa4c49e95 381 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void)
phungductung 0:e87aa4c49e95 382 {
phungductung 0:e87aa4c49e95 383 uint32_t result;
phungductung 0:e87aa4c49e95 384
phungductung 0:e87aa4c49e95 385 __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
phungductung 0:e87aa4c49e95 386 return(result);
phungductung 0:e87aa4c49e95 387 }
phungductung 0:e87aa4c49e95 388
phungductung 0:e87aa4c49e95 389
phungductung 0:e87aa4c49e95 390 /** \brief Get APSR Register
phungductung 0:e87aa4c49e95 391
phungductung 0:e87aa4c49e95 392 This function returns the content of the APSR Register.
phungductung 0:e87aa4c49e95 393
phungductung 0:e87aa4c49e95 394 \return APSR Register value
phungductung 0:e87aa4c49e95 395 */
phungductung 0:e87aa4c49e95 396 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void)
phungductung 0:e87aa4c49e95 397 {
phungductung 0:e87aa4c49e95 398 uint32_t result;
phungductung 0:e87aa4c49e95 399
phungductung 0:e87aa4c49e95 400 __ASM volatile ("MRS %0, apsr" : "=r" (result) );
phungductung 0:e87aa4c49e95 401 return(result);
phungductung 0:e87aa4c49e95 402 }
phungductung 0:e87aa4c49e95 403
phungductung 0:e87aa4c49e95 404
phungductung 0:e87aa4c49e95 405 /** \brief Get xPSR Register
phungductung 0:e87aa4c49e95 406
phungductung 0:e87aa4c49e95 407 This function returns the content of the xPSR Register.
phungductung 0:e87aa4c49e95 408
phungductung 0:e87aa4c49e95 409 \return xPSR Register value
phungductung 0:e87aa4c49e95 410 */
phungductung 0:e87aa4c49e95 411 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void)
phungductung 0:e87aa4c49e95 412 {
phungductung 0:e87aa4c49e95 413 uint32_t result;
phungductung 0:e87aa4c49e95 414
phungductung 0:e87aa4c49e95 415 __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
phungductung 0:e87aa4c49e95 416 return(result);
phungductung 0:e87aa4c49e95 417 }
phungductung 0:e87aa4c49e95 418
phungductung 0:e87aa4c49e95 419
phungductung 0:e87aa4c49e95 420 /** \brief Get Process Stack Pointer
phungductung 0:e87aa4c49e95 421
phungductung 0:e87aa4c49e95 422 This function returns the current value of the Process Stack Pointer (PSP).
phungductung 0:e87aa4c49e95 423
phungductung 0:e87aa4c49e95 424 \return PSP Register value
phungductung 0:e87aa4c49e95 425 */
phungductung 0:e87aa4c49e95 426 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void)
phungductung 0:e87aa4c49e95 427 {
phungductung 0:e87aa4c49e95 428 register uint32_t result;
phungductung 0:e87aa4c49e95 429
phungductung 0:e87aa4c49e95 430 __ASM volatile ("MRS %0, psp\n" : "=r" (result) );
phungductung 0:e87aa4c49e95 431 return(result);
phungductung 0:e87aa4c49e95 432 }
phungductung 0:e87aa4c49e95 433
phungductung 0:e87aa4c49e95 434
phungductung 0:e87aa4c49e95 435 /** \brief Set Process Stack Pointer
phungductung 0:e87aa4c49e95 436
phungductung 0:e87aa4c49e95 437 This function assigns the given value to the Process Stack Pointer (PSP).
phungductung 0:e87aa4c49e95 438
phungductung 0:e87aa4c49e95 439 \param [in] topOfProcStack Process Stack Pointer value to set
phungductung 0:e87aa4c49e95 440 */
phungductung 0:e87aa4c49e95 441 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
phungductung 0:e87aa4c49e95 442 {
phungductung 0:e87aa4c49e95 443 __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp");
phungductung 0:e87aa4c49e95 444 }
phungductung 0:e87aa4c49e95 445
phungductung 0:e87aa4c49e95 446
phungductung 0:e87aa4c49e95 447 /** \brief Get Main Stack Pointer
phungductung 0:e87aa4c49e95 448
phungductung 0:e87aa4c49e95 449 This function returns the current value of the Main Stack Pointer (MSP).
phungductung 0:e87aa4c49e95 450
phungductung 0:e87aa4c49e95 451 \return MSP Register value
phungductung 0:e87aa4c49e95 452 */
phungductung 0:e87aa4c49e95 453 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void)
phungductung 0:e87aa4c49e95 454 {
phungductung 0:e87aa4c49e95 455 register uint32_t result;
phungductung 0:e87aa4c49e95 456
phungductung 0:e87aa4c49e95 457 __ASM volatile ("MRS %0, msp\n" : "=r" (result) );
phungductung 0:e87aa4c49e95 458 return(result);
phungductung 0:e87aa4c49e95 459 }
phungductung 0:e87aa4c49e95 460
phungductung 0:e87aa4c49e95 461
phungductung 0:e87aa4c49e95 462 /** \brief Set Main Stack Pointer
phungductung 0:e87aa4c49e95 463
phungductung 0:e87aa4c49e95 464 This function assigns the given value to the Main Stack Pointer (MSP).
phungductung 0:e87aa4c49e95 465
phungductung 0:e87aa4c49e95 466 \param [in] topOfMainStack Main Stack Pointer value to set
phungductung 0:e87aa4c49e95 467 */
phungductung 0:e87aa4c49e95 468 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
phungductung 0:e87aa4c49e95 469 {
phungductung 0:e87aa4c49e95 470 __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp");
phungductung 0:e87aa4c49e95 471 }
phungductung 0:e87aa4c49e95 472
phungductung 0:e87aa4c49e95 473
phungductung 0:e87aa4c49e95 474 /** \brief Get Priority Mask
phungductung 0:e87aa4c49e95 475
phungductung 0:e87aa4c49e95 476 This function returns the current state of the priority mask bit from the Priority Mask Register.
phungductung 0:e87aa4c49e95 477
phungductung 0:e87aa4c49e95 478 \return Priority Mask value
phungductung 0:e87aa4c49e95 479 */
phungductung 0:e87aa4c49e95 480 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void)
phungductung 0:e87aa4c49e95 481 {
phungductung 0:e87aa4c49e95 482 uint32_t result;
phungductung 0:e87aa4c49e95 483
phungductung 0:e87aa4c49e95 484 __ASM volatile ("MRS %0, primask" : "=r" (result) );
phungductung 0:e87aa4c49e95 485 return(result);
phungductung 0:e87aa4c49e95 486 }
phungductung 0:e87aa4c49e95 487
phungductung 0:e87aa4c49e95 488
phungductung 0:e87aa4c49e95 489 /** \brief Set Priority Mask
phungductung 0:e87aa4c49e95 490
phungductung 0:e87aa4c49e95 491 This function assigns the given value to the Priority Mask Register.
phungductung 0:e87aa4c49e95 492
phungductung 0:e87aa4c49e95 493 \param [in] priMask Priority Mask
phungductung 0:e87aa4c49e95 494 */
phungductung 0:e87aa4c49e95 495 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
phungductung 0:e87aa4c49e95 496 {
phungductung 0:e87aa4c49e95 497 __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
phungductung 0:e87aa4c49e95 498 }
phungductung 0:e87aa4c49e95 499
phungductung 0:e87aa4c49e95 500
phungductung 0:e87aa4c49e95 501 #if (__CORTEX_M >= 0x03)
phungductung 0:e87aa4c49e95 502
phungductung 0:e87aa4c49e95 503 /** \brief Enable FIQ
phungductung 0:e87aa4c49e95 504
phungductung 0:e87aa4c49e95 505 This function enables FIQ interrupts by clearing the F-bit in the CPSR.
phungductung 0:e87aa4c49e95 506 Can only be executed in Privileged modes.
phungductung 0:e87aa4c49e95 507 */
phungductung 0:e87aa4c49e95 508 __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void)
phungductung 0:e87aa4c49e95 509 {
phungductung 0:e87aa4c49e95 510 __ASM volatile ("cpsie f" : : : "memory");
phungductung 0:e87aa4c49e95 511 }
phungductung 0:e87aa4c49e95 512
phungductung 0:e87aa4c49e95 513
phungductung 0:e87aa4c49e95 514 /** \brief Disable FIQ
phungductung 0:e87aa4c49e95 515
phungductung 0:e87aa4c49e95 516 This function disables FIQ interrupts by setting the F-bit in the CPSR.
phungductung 0:e87aa4c49e95 517 Can only be executed in Privileged modes.
phungductung 0:e87aa4c49e95 518 */
phungductung 0:e87aa4c49e95 519 __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void)
phungductung 0:e87aa4c49e95 520 {
phungductung 0:e87aa4c49e95 521 __ASM volatile ("cpsid f" : : : "memory");
phungductung 0:e87aa4c49e95 522 }
phungductung 0:e87aa4c49e95 523
phungductung 0:e87aa4c49e95 524
phungductung 0:e87aa4c49e95 525 /** \brief Get Base Priority
phungductung 0:e87aa4c49e95 526
phungductung 0:e87aa4c49e95 527 This function returns the current value of the Base Priority register.
phungductung 0:e87aa4c49e95 528
phungductung 0:e87aa4c49e95 529 \return Base Priority register value
phungductung 0:e87aa4c49e95 530 */
phungductung 0:e87aa4c49e95 531 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void)
phungductung 0:e87aa4c49e95 532 {
phungductung 0:e87aa4c49e95 533 uint32_t result;
phungductung 0:e87aa4c49e95 534
phungductung 0:e87aa4c49e95 535 __ASM volatile ("MRS %0, basepri" : "=r" (result) );
phungductung 0:e87aa4c49e95 536 return(result);
phungductung 0:e87aa4c49e95 537 }
phungductung 0:e87aa4c49e95 538
phungductung 0:e87aa4c49e95 539
phungductung 0:e87aa4c49e95 540 /** \brief Set Base Priority
phungductung 0:e87aa4c49e95 541
phungductung 0:e87aa4c49e95 542 This function assigns the given value to the Base Priority register.
phungductung 0:e87aa4c49e95 543
phungductung 0:e87aa4c49e95 544 \param [in] basePri Base Priority value to set
phungductung 0:e87aa4c49e95 545 */
phungductung 0:e87aa4c49e95 546 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value)
phungductung 0:e87aa4c49e95 547 {
phungductung 0:e87aa4c49e95 548 __ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory");
phungductung 0:e87aa4c49e95 549 }
phungductung 0:e87aa4c49e95 550
phungductung 0:e87aa4c49e95 551
phungductung 0:e87aa4c49e95 552 /** \brief Set Base Priority with condition
phungductung 0:e87aa4c49e95 553
phungductung 0:e87aa4c49e95 554 This function assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
phungductung 0:e87aa4c49e95 555 or the new value increases the BASEPRI priority level.
phungductung 0:e87aa4c49e95 556
phungductung 0:e87aa4c49e95 557 \param [in] basePri Base Priority value to set
phungductung 0:e87aa4c49e95 558 */
phungductung 0:e87aa4c49e95 559 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t value)
phungductung 0:e87aa4c49e95 560 {
phungductung 0:e87aa4c49e95 561 __ASM volatile ("MSR basepri_max, %0" : : "r" (value) : "memory");
phungductung 0:e87aa4c49e95 562 }
phungductung 0:e87aa4c49e95 563
phungductung 0:e87aa4c49e95 564
phungductung 0:e87aa4c49e95 565 /** \brief Get Fault Mask
phungductung 0:e87aa4c49e95 566
phungductung 0:e87aa4c49e95 567 This function returns the current value of the Fault Mask register.
phungductung 0:e87aa4c49e95 568
phungductung 0:e87aa4c49e95 569 \return Fault Mask register value
phungductung 0:e87aa4c49e95 570 */
phungductung 0:e87aa4c49e95 571 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
phungductung 0:e87aa4c49e95 572 {
phungductung 0:e87aa4c49e95 573 uint32_t result;
phungductung 0:e87aa4c49e95 574
phungductung 0:e87aa4c49e95 575 __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
phungductung 0:e87aa4c49e95 576 return(result);
phungductung 0:e87aa4c49e95 577 }
phungductung 0:e87aa4c49e95 578
phungductung 0:e87aa4c49e95 579
phungductung 0:e87aa4c49e95 580 /** \brief Set Fault Mask
phungductung 0:e87aa4c49e95 581
phungductung 0:e87aa4c49e95 582 This function assigns the given value to the Fault Mask register.
phungductung 0:e87aa4c49e95 583
phungductung 0:e87aa4c49e95 584 \param [in] faultMask Fault Mask value to set
phungductung 0:e87aa4c49e95 585 */
phungductung 0:e87aa4c49e95 586 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
phungductung 0:e87aa4c49e95 587 {
phungductung 0:e87aa4c49e95 588 __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
phungductung 0:e87aa4c49e95 589 }
phungductung 0:e87aa4c49e95 590
phungductung 0:e87aa4c49e95 591 #endif /* (__CORTEX_M >= 0x03) */
phungductung 0:e87aa4c49e95 592
phungductung 0:e87aa4c49e95 593
phungductung 0:e87aa4c49e95 594 #if (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07)
phungductung 0:e87aa4c49e95 595
phungductung 0:e87aa4c49e95 596 /** \brief Get FPSCR
phungductung 0:e87aa4c49e95 597
phungductung 0:e87aa4c49e95 598 This function returns the current value of the Floating Point Status/Control register.
phungductung 0:e87aa4c49e95 599
phungductung 0:e87aa4c49e95 600 \return Floating Point Status/Control register value
phungductung 0:e87aa4c49e95 601 */
phungductung 0:e87aa4c49e95 602 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
phungductung 0:e87aa4c49e95 603 {
phungductung 0:e87aa4c49e95 604 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
phungductung 0:e87aa4c49e95 605 uint32_t result;
phungductung 0:e87aa4c49e95 606
phungductung 0:e87aa4c49e95 607 /* Empty asm statement works as a scheduling barrier */
phungductung 0:e87aa4c49e95 608 __ASM volatile ("");
phungductung 0:e87aa4c49e95 609 __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
phungductung 0:e87aa4c49e95 610 __ASM volatile ("");
phungductung 0:e87aa4c49e95 611 return(result);
phungductung 0:e87aa4c49e95 612 #else
phungductung 0:e87aa4c49e95 613 return(0);
phungductung 0:e87aa4c49e95 614 #endif
phungductung 0:e87aa4c49e95 615 }
phungductung 0:e87aa4c49e95 616
phungductung 0:e87aa4c49e95 617
phungductung 0:e87aa4c49e95 618 /** \brief Set FPSCR
phungductung 0:e87aa4c49e95 619
phungductung 0:e87aa4c49e95 620 This function assigns the given value to the Floating Point Status/Control register.
phungductung 0:e87aa4c49e95 621
phungductung 0:e87aa4c49e95 622 \param [in] fpscr Floating Point Status/Control value to set
phungductung 0:e87aa4c49e95 623 */
phungductung 0:e87aa4c49e95 624 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
phungductung 0:e87aa4c49e95 625 {
phungductung 0:e87aa4c49e95 626 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
phungductung 0:e87aa4c49e95 627 /* Empty asm statement works as a scheduling barrier */
phungductung 0:e87aa4c49e95 628 __ASM volatile ("");
phungductung 0:e87aa4c49e95 629 __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc");
phungductung 0:e87aa4c49e95 630 __ASM volatile ("");
phungductung 0:e87aa4c49e95 631 #endif
phungductung 0:e87aa4c49e95 632 }
phungductung 0:e87aa4c49e95 633
phungductung 0:e87aa4c49e95 634 #endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */
phungductung 0:e87aa4c49e95 635
phungductung 0:e87aa4c49e95 636
phungductung 0:e87aa4c49e95 637 #elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
phungductung 0:e87aa4c49e95 638 /* IAR iccarm specific functions */
phungductung 0:e87aa4c49e95 639 #include <cmsis_iar.h>
phungductung 0:e87aa4c49e95 640
phungductung 0:e87aa4c49e95 641
phungductung 0:e87aa4c49e95 642 #elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
phungductung 0:e87aa4c49e95 643 /* TI CCS specific functions */
phungductung 0:e87aa4c49e95 644 #include <cmsis_ccs.h>
phungductung 0:e87aa4c49e95 645
phungductung 0:e87aa4c49e95 646
phungductung 0:e87aa4c49e95 647 #elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
phungductung 0:e87aa4c49e95 648 /* TASKING carm specific functions */
phungductung 0:e87aa4c49e95 649 /*
phungductung 0:e87aa4c49e95 650 * The CMSIS functions have been implemented as intrinsics in the compiler.
phungductung 0:e87aa4c49e95 651 * Please use "carm -?i" to get an up to date list of all intrinsics,
phungductung 0:e87aa4c49e95 652 * Including the CMSIS ones.
phungductung 0:e87aa4c49e95 653 */
phungductung 0:e87aa4c49e95 654
phungductung 0:e87aa4c49e95 655
phungductung 0:e87aa4c49e95 656 #elif defined ( __CSMC__ ) /*------------------ COSMIC Compiler -------------------*/
phungductung 0:e87aa4c49e95 657 /* Cosmic specific functions */
phungductung 0:e87aa4c49e95 658 #include <cmsis_csm.h>
phungductung 0:e87aa4c49e95 659
phungductung 0:e87aa4c49e95 660 #endif
phungductung 0:e87aa4c49e95 661
phungductung 0:e87aa4c49e95 662 /*@} end of CMSIS_Core_RegAccFunctions */
phungductung 0:e87aa4c49e95 663
phungductung 0:e87aa4c49e95 664 #endif /* __CORE_CMFUNC_H */