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TARGET_LPC812/core_cmFunc.h@86:4f9a848d74c7, 2014-06-25 (annotated)

Committer:
erezi
Date:
Wed Jun 25 06:08:49 2014 +0000
Revision:
86:4f9a848d74c7
Parent:
64:e3affc9e7238 
version_2.0

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bogdanm 64:e3affc9e7238 1 /**************************************************************************//**
bogdanm 64:e3affc9e7238 2 * @file core_cmFunc.h
bogdanm 64:e3affc9e7238 3 * @brief CMSIS Cortex-M Core Function Access Header File
bogdanm 64:e3affc9e7238 4 * @version V3.20
bogdanm 64:e3affc9e7238 5 * @date 25. February 2013
bogdanm 64:e3affc9e7238 6 *
bogdanm 64:e3affc9e7238 7 * @note
bogdanm 64:e3affc9e7238 8 *
bogdanm 64:e3affc9e7238 9 ******************************************************************************/
bogdanm 64:e3affc9e7238 10 /* Copyright (c) 2009 - 2013 ARM LIMITED
bogdanm 64:e3affc9e7238 11
bogdanm 64:e3affc9e7238 12 All rights reserved.
bogdanm 64:e3affc9e7238 13 Redistribution and use in source and binary forms, with or without
bogdanm 64:e3affc9e7238 14 modification, are permitted provided that the following conditions are met:
bogdanm 64:e3affc9e7238 15 - Redistributions of source code must retain the above copyright
bogdanm 64:e3affc9e7238 16 notice, this list of conditions and the following disclaimer.
bogdanm 64:e3affc9e7238 17 - Redistributions in binary form must reproduce the above copyright
bogdanm 64:e3affc9e7238 18 notice, this list of conditions and the following disclaimer in the
bogdanm 64:e3affc9e7238 19 documentation and/or other materials provided with the distribution.
bogdanm 64:e3affc9e7238 20 - Neither the name of ARM nor the names of its contributors may be used
bogdanm 64:e3affc9e7238 21 to endorse or promote products derived from this software without
bogdanm 64:e3affc9e7238 22 specific prior written permission.
bogdanm 64:e3affc9e7238 23 *
bogdanm 64:e3affc9e7238 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 64:e3affc9e7238 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 64:e3affc9e7238 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
bogdanm 64:e3affc9e7238 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
bogdanm 64:e3affc9e7238 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
bogdanm 64:e3affc9e7238 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
bogdanm 64:e3affc9e7238 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
bogdanm 64:e3affc9e7238 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
bogdanm 64:e3affc9e7238 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
bogdanm 64:e3affc9e7238 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
bogdanm 64:e3affc9e7238 34 POSSIBILITY OF SUCH DAMAGE.
bogdanm 64:e3affc9e7238 35 ---------------------------------------------------------------------------*/
bogdanm 64:e3affc9e7238 36
bogdanm 64:e3affc9e7238 37
bogdanm 64:e3affc9e7238 38 #ifndef __CORE_CMFUNC_H
bogdanm 64:e3affc9e7238 39 #define __CORE_CMFUNC_H
bogdanm 64:e3affc9e7238 40
bogdanm 64:e3affc9e7238 41
bogdanm 64:e3affc9e7238 42 /* ########################### Core Function Access ########################### */
bogdanm 64:e3affc9e7238 43 /** \ingroup CMSIS_Core_FunctionInterface
bogdanm 64:e3affc9e7238 44 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
bogdanm 64:e3affc9e7238 45 @{
bogdanm 64:e3affc9e7238 46 */
bogdanm 64:e3affc9e7238 47
bogdanm 64:e3affc9e7238 48 #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
bogdanm 64:e3affc9e7238 49 /* ARM armcc specific functions */
bogdanm 64:e3affc9e7238 50
bogdanm 64:e3affc9e7238 51 #if (__ARMCC_VERSION < 400677)
bogdanm 64:e3affc9e7238 52 #error "Please use ARM Compiler Toolchain V4.0.677 or later!"
bogdanm 64:e3affc9e7238 53 #endif
bogdanm 64:e3affc9e7238 54
bogdanm 64:e3affc9e7238 55 /* intrinsic void __enable_irq(); */
bogdanm 64:e3affc9e7238 56 /* intrinsic void __disable_irq(); */
bogdanm 64:e3affc9e7238 57
bogdanm 64:e3affc9e7238 58 /** \brief Get Control Register
bogdanm 64:e3affc9e7238 59
bogdanm 64:e3affc9e7238 60 This function returns the content of the Control Register.
bogdanm 64:e3affc9e7238 61
bogdanm 64:e3affc9e7238 62 \return Control Register value
bogdanm 64:e3affc9e7238 63 */
bogdanm 64:e3affc9e7238 64 __STATIC_INLINE uint32_t __get_CONTROL(void)
bogdanm 64:e3affc9e7238 65 {
bogdanm 64:e3affc9e7238 66 register uint32_t __regControl __ASM("control");
bogdanm 64:e3affc9e7238 67 return(__regControl);
bogdanm 64:e3affc9e7238 68 }
bogdanm 64:e3affc9e7238 69
bogdanm 64:e3affc9e7238 70
bogdanm 64:e3affc9e7238 71 /** \brief Set Control Register
bogdanm 64:e3affc9e7238 72
bogdanm 64:e3affc9e7238 73 This function writes the given value to the Control Register.
bogdanm 64:e3affc9e7238 74
bogdanm 64:e3affc9e7238 75 \param [in] control Control Register value to set
bogdanm 64:e3affc9e7238 76 */
bogdanm 64:e3affc9e7238 77 __STATIC_INLINE void __set_CONTROL(uint32_t control)
bogdanm 64:e3affc9e7238 78 {
bogdanm 64:e3affc9e7238 79 register uint32_t __regControl __ASM("control");
bogdanm 64:e3affc9e7238 80 __regControl = control;
bogdanm 64:e3affc9e7238 81 }
bogdanm 64:e3affc9e7238 82
bogdanm 64:e3affc9e7238 83
bogdanm 64:e3affc9e7238 84 /** \brief Get IPSR Register
bogdanm 64:e3affc9e7238 85
bogdanm 64:e3affc9e7238 86 This function returns the content of the IPSR Register.
bogdanm 64:e3affc9e7238 87
bogdanm 64:e3affc9e7238 88 \return IPSR Register value
bogdanm 64:e3affc9e7238 89 */
bogdanm 64:e3affc9e7238 90 __STATIC_INLINE uint32_t __get_IPSR(void)
bogdanm 64:e3affc9e7238 91 {
bogdanm 64:e3affc9e7238 92 register uint32_t __regIPSR __ASM("ipsr");
bogdanm 64:e3affc9e7238 93 return(__regIPSR);
bogdanm 64:e3affc9e7238 94 }
bogdanm 64:e3affc9e7238 95
bogdanm 64:e3affc9e7238 96
bogdanm 64:e3affc9e7238 97 /** \brief Get APSR Register
bogdanm 64:e3affc9e7238 98
bogdanm 64:e3affc9e7238 99 This function returns the content of the APSR Register.
bogdanm 64:e3affc9e7238 100
bogdanm 64:e3affc9e7238 101 \return APSR Register value
bogdanm 64:e3affc9e7238 102 */
bogdanm 64:e3affc9e7238 103 __STATIC_INLINE uint32_t __get_APSR(void)
bogdanm 64:e3affc9e7238 104 {
bogdanm 64:e3affc9e7238 105 register uint32_t __regAPSR __ASM("apsr");
bogdanm 64:e3affc9e7238 106 return(__regAPSR);
bogdanm 64:e3affc9e7238 107 }
bogdanm 64:e3affc9e7238 108
bogdanm 64:e3affc9e7238 109
bogdanm 64:e3affc9e7238 110 /** \brief Get xPSR Register
bogdanm 64:e3affc9e7238 111
bogdanm 64:e3affc9e7238 112 This function returns the content of the xPSR Register.
bogdanm 64:e3affc9e7238 113
bogdanm 64:e3affc9e7238 114 \return xPSR Register value
bogdanm 64:e3affc9e7238 115 */
bogdanm 64:e3affc9e7238 116 __STATIC_INLINE uint32_t __get_xPSR(void)
bogdanm 64:e3affc9e7238 117 {
bogdanm 64:e3affc9e7238 118 register uint32_t __regXPSR __ASM("xpsr");
bogdanm 64:e3affc9e7238 119 return(__regXPSR);
bogdanm 64:e3affc9e7238 120 }
bogdanm 64:e3affc9e7238 121
bogdanm 64:e3affc9e7238 122
bogdanm 64:e3affc9e7238 123 /** \brief Get Process Stack Pointer
bogdanm 64:e3affc9e7238 124
bogdanm 64:e3affc9e7238 125 This function returns the current value of the Process Stack Pointer (PSP).
bogdanm 64:e3affc9e7238 126
bogdanm 64:e3affc9e7238 127 \return PSP Register value
bogdanm 64:e3affc9e7238 128 */
bogdanm 64:e3affc9e7238 129 __STATIC_INLINE uint32_t __get_PSP(void)
bogdanm 64:e3affc9e7238 130 {
bogdanm 64:e3affc9e7238 131 register uint32_t __regProcessStackPointer __ASM("psp");
bogdanm 64:e3affc9e7238 132 return(__regProcessStackPointer);
bogdanm 64:e3affc9e7238 133 }
bogdanm 64:e3affc9e7238 134
bogdanm 64:e3affc9e7238 135
bogdanm 64:e3affc9e7238 136 /** \brief Set Process Stack Pointer
bogdanm 64:e3affc9e7238 137
bogdanm 64:e3affc9e7238 138 This function assigns the given value to the Process Stack Pointer (PSP).
bogdanm 64:e3affc9e7238 139
bogdanm 64:e3affc9e7238 140 \param [in] topOfProcStack Process Stack Pointer value to set
bogdanm 64:e3affc9e7238 141 */
bogdanm 64:e3affc9e7238 142 __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
bogdanm 64:e3affc9e7238 143 {
bogdanm 64:e3affc9e7238 144 register uint32_t __regProcessStackPointer __ASM("psp");
bogdanm 64:e3affc9e7238 145 __regProcessStackPointer = topOfProcStack;
bogdanm 64:e3affc9e7238 146 }
bogdanm 64:e3affc9e7238 147
bogdanm 64:e3affc9e7238 148
bogdanm 64:e3affc9e7238 149 /** \brief Get Main Stack Pointer
bogdanm 64:e3affc9e7238 150
bogdanm 64:e3affc9e7238 151 This function returns the current value of the Main Stack Pointer (MSP).
bogdanm 64:e3affc9e7238 152
bogdanm 64:e3affc9e7238 153 \return MSP Register value
bogdanm 64:e3affc9e7238 154 */
bogdanm 64:e3affc9e7238 155 __STATIC_INLINE uint32_t __get_MSP(void)
bogdanm 64:e3affc9e7238 156 {
bogdanm 64:e3affc9e7238 157 register uint32_t __regMainStackPointer __ASM("msp");
bogdanm 64:e3affc9e7238 158 return(__regMainStackPointer);
bogdanm 64:e3affc9e7238 159 }
bogdanm 64:e3affc9e7238 160
bogdanm 64:e3affc9e7238 161
bogdanm 64:e3affc9e7238 162 /** \brief Set Main Stack Pointer
bogdanm 64:e3affc9e7238 163
bogdanm 64:e3affc9e7238 164 This function assigns the given value to the Main Stack Pointer (MSP).
bogdanm 64:e3affc9e7238 165
bogdanm 64:e3affc9e7238 166 \param [in] topOfMainStack Main Stack Pointer value to set
bogdanm 64:e3affc9e7238 167 */
bogdanm 64:e3affc9e7238 168 __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
bogdanm 64:e3affc9e7238 169 {
bogdanm 64:e3affc9e7238 170 register uint32_t __regMainStackPointer __ASM("msp");
bogdanm 64:e3affc9e7238 171 __regMainStackPointer = topOfMainStack;
bogdanm 64:e3affc9e7238 172 }
bogdanm 64:e3affc9e7238 173
bogdanm 64:e3affc9e7238 174
bogdanm 64:e3affc9e7238 175 /** \brief Get Priority Mask
bogdanm 64:e3affc9e7238 176
bogdanm 64:e3affc9e7238 177 This function returns the current state of the priority mask bit from the Priority Mask Register.
bogdanm 64:e3affc9e7238 178
bogdanm 64:e3affc9e7238 179 \return Priority Mask value
bogdanm 64:e3affc9e7238 180 */
bogdanm 64:e3affc9e7238 181 __STATIC_INLINE uint32_t __get_PRIMASK(void)
bogdanm 64:e3affc9e7238 182 {
bogdanm 64:e3affc9e7238 183 register uint32_t __regPriMask __ASM("primask");
bogdanm 64:e3affc9e7238 184 return(__regPriMask);
bogdanm 64:e3affc9e7238 185 }
bogdanm 64:e3affc9e7238 186
bogdanm 64:e3affc9e7238 187
bogdanm 64:e3affc9e7238 188 /** \brief Set Priority Mask
bogdanm 64:e3affc9e7238 189
bogdanm 64:e3affc9e7238 190 This function assigns the given value to the Priority Mask Register.
bogdanm 64:e3affc9e7238 191
bogdanm 64:e3affc9e7238 192 \param [in] priMask Priority Mask
bogdanm 64:e3affc9e7238 193 */
bogdanm 64:e3affc9e7238 194 __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
bogdanm 64:e3affc9e7238 195 {
bogdanm 64:e3affc9e7238 196 register uint32_t __regPriMask __ASM("primask");
bogdanm 64:e3affc9e7238 197 __regPriMask = (priMask);
bogdanm 64:e3affc9e7238 198 }
bogdanm 64:e3affc9e7238 199
bogdanm 64:e3affc9e7238 200
bogdanm 64:e3affc9e7238 201 #if (__CORTEX_M >= 0x03)
bogdanm 64:e3affc9e7238 202
bogdanm 64:e3affc9e7238 203 /** \brief Enable FIQ
bogdanm 64:e3affc9e7238 204
bogdanm 64:e3affc9e7238 205 This function enables FIQ interrupts by clearing the F-bit in the CPSR.
bogdanm 64:e3affc9e7238 206 Can only be executed in Privileged modes.
bogdanm 64:e3affc9e7238 207 */
bogdanm 64:e3affc9e7238 208 #define __enable_fault_irq __enable_fiq
bogdanm 64:e3affc9e7238 209
bogdanm 64:e3affc9e7238 210
bogdanm 64:e3affc9e7238 211 /** \brief Disable FIQ
bogdanm 64:e3affc9e7238 212
bogdanm 64:e3affc9e7238 213 This function disables FIQ interrupts by setting the F-bit in the CPSR.
bogdanm 64:e3affc9e7238 214 Can only be executed in Privileged modes.
bogdanm 64:e3affc9e7238 215 */
bogdanm 64:e3affc9e7238 216 #define __disable_fault_irq __disable_fiq
bogdanm 64:e3affc9e7238 217
bogdanm 64:e3affc9e7238 218
bogdanm 64:e3affc9e7238 219 /** \brief Get Base Priority
bogdanm 64:e3affc9e7238 220
bogdanm 64:e3affc9e7238 221 This function returns the current value of the Base Priority register.
bogdanm 64:e3affc9e7238 222
bogdanm 64:e3affc9e7238 223 \return Base Priority register value
bogdanm 64:e3affc9e7238 224 */
bogdanm 64:e3affc9e7238 225 __STATIC_INLINE uint32_t __get_BASEPRI(void)
bogdanm 64:e3affc9e7238 226 {
bogdanm 64:e3affc9e7238 227 register uint32_t __regBasePri __ASM("basepri");
bogdanm 64:e3affc9e7238 228 return(__regBasePri);
bogdanm 64:e3affc9e7238 229 }
bogdanm 64:e3affc9e7238 230
bogdanm 64:e3affc9e7238 231
bogdanm 64:e3affc9e7238 232 /** \brief Set Base Priority
bogdanm 64:e3affc9e7238 233
bogdanm 64:e3affc9e7238 234 This function assigns the given value to the Base Priority register.
bogdanm 64:e3affc9e7238 235
bogdanm 64:e3affc9e7238 236 \param [in] basePri Base Priority value to set
bogdanm 64:e3affc9e7238 237 */
bogdanm 64:e3affc9e7238 238 __STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
bogdanm 64:e3affc9e7238 239 {
bogdanm 64:e3affc9e7238 240 register uint32_t __regBasePri __ASM("basepri");
bogdanm 64:e3affc9e7238 241 __regBasePri = (basePri & 0xff);
bogdanm 64:e3affc9e7238 242 }
bogdanm 64:e3affc9e7238 243
bogdanm 64:e3affc9e7238 244
bogdanm 64:e3affc9e7238 245 /** \brief Get Fault Mask
bogdanm 64:e3affc9e7238 246
bogdanm 64:e3affc9e7238 247 This function returns the current value of the Fault Mask register.
bogdanm 64:e3affc9e7238 248
bogdanm 64:e3affc9e7238 249 \return Fault Mask register value
bogdanm 64:e3affc9e7238 250 */
bogdanm 64:e3affc9e7238 251 __STATIC_INLINE uint32_t __get_FAULTMASK(void)
bogdanm 64:e3affc9e7238 252 {
bogdanm 64:e3affc9e7238 253 register uint32_t __regFaultMask __ASM("faultmask");
bogdanm 64:e3affc9e7238 254 return(__regFaultMask);
bogdanm 64:e3affc9e7238 255 }
bogdanm 64:e3affc9e7238 256
bogdanm 64:e3affc9e7238 257
bogdanm 64:e3affc9e7238 258 /** \brief Set Fault Mask
bogdanm 64:e3affc9e7238 259
bogdanm 64:e3affc9e7238 260 This function assigns the given value to the Fault Mask register.
bogdanm 64:e3affc9e7238 261
bogdanm 64:e3affc9e7238 262 \param [in] faultMask Fault Mask value to set
bogdanm 64:e3affc9e7238 263 */
bogdanm 64:e3affc9e7238 264 __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
bogdanm 64:e3affc9e7238 265 {
bogdanm 64:e3affc9e7238 266 register uint32_t __regFaultMask __ASM("faultmask");
bogdanm 64:e3affc9e7238 267 __regFaultMask = (faultMask & (uint32_t)1);
bogdanm 64:e3affc9e7238 268 }
bogdanm 64:e3affc9e7238 269
bogdanm 64:e3affc9e7238 270 #endif /* (__CORTEX_M >= 0x03) */
bogdanm 64:e3affc9e7238 271
bogdanm 64:e3affc9e7238 272
bogdanm 64:e3affc9e7238 273 #if (__CORTEX_M == 0x04)
bogdanm 64:e3affc9e7238 274
bogdanm 64:e3affc9e7238 275 /** \brief Get FPSCR
bogdanm 64:e3affc9e7238 276
bogdanm 64:e3affc9e7238 277 This function returns the current value of the Floating Point Status/Control register.
bogdanm 64:e3affc9e7238 278
bogdanm 64:e3affc9e7238 279 \return Floating Point Status/Control register value
bogdanm 64:e3affc9e7238 280 */
bogdanm 64:e3affc9e7238 281 __STATIC_INLINE uint32_t __get_FPSCR(void)
bogdanm 64:e3affc9e7238 282 {
bogdanm 64:e3affc9e7238 283 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
bogdanm 64:e3affc9e7238 284 register uint32_t __regfpscr __ASM("fpscr");
bogdanm 64:e3affc9e7238 285 return(__regfpscr);
bogdanm 64:e3affc9e7238 286 #else
bogdanm 64:e3affc9e7238 287 return(0);
bogdanm 64:e3affc9e7238 288 #endif
bogdanm 64:e3affc9e7238 289 }
bogdanm 64:e3affc9e7238 290
bogdanm 64:e3affc9e7238 291
bogdanm 64:e3affc9e7238 292 /** \brief Set FPSCR
bogdanm 64:e3affc9e7238 293
bogdanm 64:e3affc9e7238 294 This function assigns the given value to the Floating Point Status/Control register.
bogdanm 64:e3affc9e7238 295
bogdanm 64:e3affc9e7238 296 \param [in] fpscr Floating Point Status/Control value to set
bogdanm 64:e3affc9e7238 297 */
bogdanm 64:e3affc9e7238 298 __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
bogdanm 64:e3affc9e7238 299 {
bogdanm 64:e3affc9e7238 300 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
bogdanm 64:e3affc9e7238 301 register uint32_t __regfpscr __ASM("fpscr");
bogdanm 64:e3affc9e7238 302 __regfpscr = (fpscr);
bogdanm 64:e3affc9e7238 303 #endif
bogdanm 64:e3affc9e7238 304 }
bogdanm 64:e3affc9e7238 305
bogdanm 64:e3affc9e7238 306 #endif /* (__CORTEX_M == 0x04) */
bogdanm 64:e3affc9e7238 307
bogdanm 64:e3affc9e7238 308
bogdanm 64:e3affc9e7238 309 #elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
bogdanm 64:e3affc9e7238 310 /* IAR iccarm specific functions */
bogdanm 64:e3affc9e7238 311
bogdanm 64:e3affc9e7238 312 #include <cmsis_iar.h>
bogdanm 64:e3affc9e7238 313
bogdanm 64:e3affc9e7238 314
bogdanm 64:e3affc9e7238 315 #elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
bogdanm 64:e3affc9e7238 316 /* TI CCS specific functions */
bogdanm 64:e3affc9e7238 317
bogdanm 64:e3affc9e7238 318 #include <cmsis_ccs.h>
bogdanm 64:e3affc9e7238 319
bogdanm 64:e3affc9e7238 320
bogdanm 64:e3affc9e7238 321 #elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
bogdanm 64:e3affc9e7238 322 /* GNU gcc specific functions */
bogdanm 64:e3affc9e7238 323
bogdanm 64:e3affc9e7238 324 /** \brief Enable IRQ Interrupts
bogdanm 64:e3affc9e7238 325
bogdanm 64:e3affc9e7238 326 This function enables IRQ interrupts by clearing the I-bit in the CPSR.
bogdanm 64:e3affc9e7238 327 Can only be executed in Privileged modes.
bogdanm 64:e3affc9e7238 328 */
bogdanm 64:e3affc9e7238 329 __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void)
bogdanm 64:e3affc9e7238 330 {
bogdanm 64:e3affc9e7238 331 __ASM volatile ("cpsie i" : : : "memory");
bogdanm 64:e3affc9e7238 332 }
bogdanm 64:e3affc9e7238 333
bogdanm 64:e3affc9e7238 334
bogdanm 64:e3affc9e7238 335 /** \brief Disable IRQ Interrupts
bogdanm 64:e3affc9e7238 336
bogdanm 64:e3affc9e7238 337 This function disables IRQ interrupts by setting the I-bit in the CPSR.
bogdanm 64:e3affc9e7238 338 Can only be executed in Privileged modes.
bogdanm 64:e3affc9e7238 339 */
bogdanm 64:e3affc9e7238 340 __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void)
bogdanm 64:e3affc9e7238 341 {
bogdanm 64:e3affc9e7238 342 __ASM volatile ("cpsid i" : : : "memory");
bogdanm 64:e3affc9e7238 343 }
bogdanm 64:e3affc9e7238 344
bogdanm 64:e3affc9e7238 345
bogdanm 64:e3affc9e7238 346 /** \brief Get Control Register
bogdanm 64:e3affc9e7238 347
bogdanm 64:e3affc9e7238 348 This function returns the content of the Control Register.
bogdanm 64:e3affc9e7238 349
bogdanm 64:e3affc9e7238 350 \return Control Register value
bogdanm 64:e3affc9e7238 351 */
bogdanm 64:e3affc9e7238 352 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void)
bogdanm 64:e3affc9e7238 353 {
bogdanm 64:e3affc9e7238 354 uint32_t result;
bogdanm 64:e3affc9e7238 355
bogdanm 64:e3affc9e7238 356 __ASM volatile ("MRS %0, control" : "=r" (result) );
bogdanm 64:e3affc9e7238 357 return(result);
bogdanm 64:e3affc9e7238 358 }
bogdanm 64:e3affc9e7238 359
bogdanm 64:e3affc9e7238 360
bogdanm 64:e3affc9e7238 361 /** \brief Set Control Register
bogdanm 64:e3affc9e7238 362
bogdanm 64:e3affc9e7238 363 This function writes the given value to the Control Register.
bogdanm 64:e3affc9e7238 364
bogdanm 64:e3affc9e7238 365 \param [in] control Control Register value to set
bogdanm 64:e3affc9e7238 366 */
bogdanm 64:e3affc9e7238 367 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control)
bogdanm 64:e3affc9e7238 368 {
bogdanm 64:e3affc9e7238 369 __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
bogdanm 64:e3affc9e7238 370 }
bogdanm 64:e3affc9e7238 371
bogdanm 64:e3affc9e7238 372
bogdanm 64:e3affc9e7238 373 /** \brief Get IPSR Register
bogdanm 64:e3affc9e7238 374
bogdanm 64:e3affc9e7238 375 This function returns the content of the IPSR Register.
bogdanm 64:e3affc9e7238 376
bogdanm 64:e3affc9e7238 377 \return IPSR Register value
bogdanm 64:e3affc9e7238 378 */
bogdanm 64:e3affc9e7238 379 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void)
bogdanm 64:e3affc9e7238 380 {
bogdanm 64:e3affc9e7238 381 uint32_t result;
bogdanm 64:e3affc9e7238 382
bogdanm 64:e3affc9e7238 383 __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
bogdanm 64:e3affc9e7238 384 return(result);
bogdanm 64:e3affc9e7238 385 }
bogdanm 64:e3affc9e7238 386
bogdanm 64:e3affc9e7238 387
bogdanm 64:e3affc9e7238 388 /** \brief Get APSR Register
bogdanm 64:e3affc9e7238 389
bogdanm 64:e3affc9e7238 390 This function returns the content of the APSR Register.
bogdanm 64:e3affc9e7238 391
bogdanm 64:e3affc9e7238 392 \return APSR Register value
bogdanm 64:e3affc9e7238 393 */
bogdanm 64:e3affc9e7238 394 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void)
bogdanm 64:e3affc9e7238 395 {
bogdanm 64:e3affc9e7238 396 uint32_t result;
bogdanm 64:e3affc9e7238 397
bogdanm 64:e3affc9e7238 398 __ASM volatile ("MRS %0, apsr" : "=r" (result) );
bogdanm 64:e3affc9e7238 399 return(result);
bogdanm 64:e3affc9e7238 400 }
bogdanm 64:e3affc9e7238 401
bogdanm 64:e3affc9e7238 402
bogdanm 64:e3affc9e7238 403 /** \brief Get xPSR Register
bogdanm 64:e3affc9e7238 404
bogdanm 64:e3affc9e7238 405 This function returns the content of the xPSR Register.
bogdanm 64:e3affc9e7238 406
bogdanm 64:e3affc9e7238 407 \return xPSR Register value
bogdanm 64:e3affc9e7238 408 */
bogdanm 64:e3affc9e7238 409 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void)
bogdanm 64:e3affc9e7238 410 {
bogdanm 64:e3affc9e7238 411 uint32_t result;
bogdanm 64:e3affc9e7238 412
bogdanm 64:e3affc9e7238 413 __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
bogdanm 64:e3affc9e7238 414 return(result);
bogdanm 64:e3affc9e7238 415 }
bogdanm 64:e3affc9e7238 416
bogdanm 64:e3affc9e7238 417
bogdanm 64:e3affc9e7238 418 /** \brief Get Process Stack Pointer
bogdanm 64:e3affc9e7238 419
bogdanm 64:e3affc9e7238 420 This function returns the current value of the Process Stack Pointer (PSP).
bogdanm 64:e3affc9e7238 421
bogdanm 64:e3affc9e7238 422 \return PSP Register value
bogdanm 64:e3affc9e7238 423 */
bogdanm 64:e3affc9e7238 424 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void)
bogdanm 64:e3affc9e7238 425 {
bogdanm 64:e3affc9e7238 426 register uint32_t result;
bogdanm 64:e3affc9e7238 427
bogdanm 64:e3affc9e7238 428 __ASM volatile ("MRS %0, psp\n" : "=r" (result) );
bogdanm 64:e3affc9e7238 429 return(result);
bogdanm 64:e3affc9e7238 430 }
bogdanm 64:e3affc9e7238 431
bogdanm 64:e3affc9e7238 432
bogdanm 64:e3affc9e7238 433 /** \brief Set Process Stack Pointer
bogdanm 64:e3affc9e7238 434
bogdanm 64:e3affc9e7238 435 This function assigns the given value to the Process Stack Pointer (PSP).
bogdanm 64:e3affc9e7238 436
bogdanm 64:e3affc9e7238 437 \param [in] topOfProcStack Process Stack Pointer value to set
bogdanm 64:e3affc9e7238 438 */
bogdanm 64:e3affc9e7238 439 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
bogdanm 64:e3affc9e7238 440 {
bogdanm 64:e3affc9e7238 441 __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp");
bogdanm 64:e3affc9e7238 442 }
bogdanm 64:e3affc9e7238 443
bogdanm 64:e3affc9e7238 444
bogdanm 64:e3affc9e7238 445 /** \brief Get Main Stack Pointer
bogdanm 64:e3affc9e7238 446
bogdanm 64:e3affc9e7238 447 This function returns the current value of the Main Stack Pointer (MSP).
bogdanm 64:e3affc9e7238 448
bogdanm 64:e3affc9e7238 449 \return MSP Register value
bogdanm 64:e3affc9e7238 450 */
bogdanm 64:e3affc9e7238 451 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void)
bogdanm 64:e3affc9e7238 452 {
bogdanm 64:e3affc9e7238 453 register uint32_t result;
bogdanm 64:e3affc9e7238 454
bogdanm 64:e3affc9e7238 455 __ASM volatile ("MRS %0, msp\n" : "=r" (result) );
bogdanm 64:e3affc9e7238 456 return(result);
bogdanm 64:e3affc9e7238 457 }
bogdanm 64:e3affc9e7238 458
bogdanm 64:e3affc9e7238 459
bogdanm 64:e3affc9e7238 460 /** \brief Set Main Stack Pointer
bogdanm 64:e3affc9e7238 461
bogdanm 64:e3affc9e7238 462 This function assigns the given value to the Main Stack Pointer (MSP).
bogdanm 64:e3affc9e7238 463
bogdanm 64:e3affc9e7238 464 \param [in] topOfMainStack Main Stack Pointer value to set
bogdanm 64:e3affc9e7238 465 */
bogdanm 64:e3affc9e7238 466 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
bogdanm 64:e3affc9e7238 467 {
bogdanm 64:e3affc9e7238 468 __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp");
bogdanm 64:e3affc9e7238 469 }
bogdanm 64:e3affc9e7238 470
bogdanm 64:e3affc9e7238 471
bogdanm 64:e3affc9e7238 472 /** \brief Get Priority Mask
bogdanm 64:e3affc9e7238 473
bogdanm 64:e3affc9e7238 474 This function returns the current state of the priority mask bit from the Priority Mask Register.
bogdanm 64:e3affc9e7238 475
bogdanm 64:e3affc9e7238 476 \return Priority Mask value
bogdanm 64:e3affc9e7238 477 */
bogdanm 64:e3affc9e7238 478 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void)
bogdanm 64:e3affc9e7238 479 {
bogdanm 64:e3affc9e7238 480 uint32_t result;
bogdanm 64:e3affc9e7238 481
bogdanm 64:e3affc9e7238 482 __ASM volatile ("MRS %0, primask" : "=r" (result) );
bogdanm 64:e3affc9e7238 483 return(result);
bogdanm 64:e3affc9e7238 484 }
bogdanm 64:e3affc9e7238 485
bogdanm 64:e3affc9e7238 486
bogdanm 64:e3affc9e7238 487 /** \brief Set Priority Mask
bogdanm 64:e3affc9e7238 488
bogdanm 64:e3affc9e7238 489 This function assigns the given value to the Priority Mask Register.
bogdanm 64:e3affc9e7238 490
bogdanm 64:e3affc9e7238 491 \param [in] priMask Priority Mask
bogdanm 64:e3affc9e7238 492 */
bogdanm 64:e3affc9e7238 493 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
bogdanm 64:e3affc9e7238 494 {
bogdanm 64:e3affc9e7238 495 __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
bogdanm 64:e3affc9e7238 496 }
bogdanm 64:e3affc9e7238 497
bogdanm 64:e3affc9e7238 498
bogdanm 64:e3affc9e7238 499 #if (__CORTEX_M >= 0x03)
bogdanm 64:e3affc9e7238 500
bogdanm 64:e3affc9e7238 501 /** \brief Enable FIQ
bogdanm 64:e3affc9e7238 502
bogdanm 64:e3affc9e7238 503 This function enables FIQ interrupts by clearing the F-bit in the CPSR.
bogdanm 64:e3affc9e7238 504 Can only be executed in Privileged modes.
bogdanm 64:e3affc9e7238 505 */
bogdanm 64:e3affc9e7238 506 __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void)
bogdanm 64:e3affc9e7238 507 {
bogdanm 64:e3affc9e7238 508 __ASM volatile ("cpsie f" : : : "memory");
bogdanm 64:e3affc9e7238 509 }
bogdanm 64:e3affc9e7238 510
bogdanm 64:e3affc9e7238 511
bogdanm 64:e3affc9e7238 512 /** \brief Disable FIQ
bogdanm 64:e3affc9e7238 513
bogdanm 64:e3affc9e7238 514 This function disables FIQ interrupts by setting the F-bit in the CPSR.
bogdanm 64:e3affc9e7238 515 Can only be executed in Privileged modes.
bogdanm 64:e3affc9e7238 516 */
bogdanm 64:e3affc9e7238 517 __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void)
bogdanm 64:e3affc9e7238 518 {
bogdanm 64:e3affc9e7238 519 __ASM volatile ("cpsid f" : : : "memory");
bogdanm 64:e3affc9e7238 520 }
bogdanm 64:e3affc9e7238 521
bogdanm 64:e3affc9e7238 522
bogdanm 64:e3affc9e7238 523 /** \brief Get Base Priority
bogdanm 64:e3affc9e7238 524
bogdanm 64:e3affc9e7238 525 This function returns the current value of the Base Priority register.
bogdanm 64:e3affc9e7238 526
bogdanm 64:e3affc9e7238 527 \return Base Priority register value
bogdanm 64:e3affc9e7238 528 */
bogdanm 64:e3affc9e7238 529 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void)
bogdanm 64:e3affc9e7238 530 {
bogdanm 64:e3affc9e7238 531 uint32_t result;
bogdanm 64:e3affc9e7238 532
bogdanm 64:e3affc9e7238 533 __ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
bogdanm 64:e3affc9e7238 534 return(result);
bogdanm 64:e3affc9e7238 535 }
bogdanm 64:e3affc9e7238 536
bogdanm 64:e3affc9e7238 537
bogdanm 64:e3affc9e7238 538 /** \brief Set Base Priority
bogdanm 64:e3affc9e7238 539
bogdanm 64:e3affc9e7238 540 This function assigns the given value to the Base Priority register.
bogdanm 64:e3affc9e7238 541
bogdanm 64:e3affc9e7238 542 \param [in] basePri Base Priority value to set
bogdanm 64:e3affc9e7238 543 */
bogdanm 64:e3affc9e7238 544 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value)
bogdanm 64:e3affc9e7238 545 {
bogdanm 64:e3affc9e7238 546 __ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory");
bogdanm 64:e3affc9e7238 547 }
bogdanm 64:e3affc9e7238 548
bogdanm 64:e3affc9e7238 549
bogdanm 64:e3affc9e7238 550 /** \brief Get Fault Mask
bogdanm 64:e3affc9e7238 551
bogdanm 64:e3affc9e7238 552 This function returns the current value of the Fault Mask register.
bogdanm 64:e3affc9e7238 553
bogdanm 64:e3affc9e7238 554 \return Fault Mask register value
bogdanm 64:e3affc9e7238 555 */
bogdanm 64:e3affc9e7238 556 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
bogdanm 64:e3affc9e7238 557 {
bogdanm 64:e3affc9e7238 558 uint32_t result;
bogdanm 64:e3affc9e7238 559
bogdanm 64:e3affc9e7238 560 __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
bogdanm 64:e3affc9e7238 561 return(result);
bogdanm 64:e3affc9e7238 562 }
bogdanm 64:e3affc9e7238 563
bogdanm 64:e3affc9e7238 564
bogdanm 64:e3affc9e7238 565 /** \brief Set Fault Mask
bogdanm 64:e3affc9e7238 566
bogdanm 64:e3affc9e7238 567 This function assigns the given value to the Fault Mask register.
bogdanm 64:e3affc9e7238 568
bogdanm 64:e3affc9e7238 569 \param [in] faultMask Fault Mask value to set
bogdanm 64:e3affc9e7238 570 */
bogdanm 64:e3affc9e7238 571 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
bogdanm 64:e3affc9e7238 572 {
bogdanm 64:e3affc9e7238 573 __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
bogdanm 64:e3affc9e7238 574 }
bogdanm 64:e3affc9e7238 575
bogdanm 64:e3affc9e7238 576 #endif /* (__CORTEX_M >= 0x03) */
bogdanm 64:e3affc9e7238 577
bogdanm 64:e3affc9e7238 578
bogdanm 64:e3affc9e7238 579 #if (__CORTEX_M == 0x04)
bogdanm 64:e3affc9e7238 580
bogdanm 64:e3affc9e7238 581 /** \brief Get FPSCR
bogdanm 64:e3affc9e7238 582
bogdanm 64:e3affc9e7238 583 This function returns the current value of the Floating Point Status/Control register.
bogdanm 64:e3affc9e7238 584
bogdanm 64:e3affc9e7238 585 \return Floating Point Status/Control register value
bogdanm 64:e3affc9e7238 586 */
bogdanm 64:e3affc9e7238 587 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
bogdanm 64:e3affc9e7238 588 {
bogdanm 64:e3affc9e7238 589 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
bogdanm 64:e3affc9e7238 590 uint32_t result;
bogdanm 64:e3affc9e7238 591
bogdanm 64:e3affc9e7238 592 /* Empty asm statement works as a scheduling barrier */
bogdanm 64:e3affc9e7238 593 __ASM volatile ("");
bogdanm 64:e3affc9e7238 594 __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
bogdanm 64:e3affc9e7238 595 __ASM volatile ("");
bogdanm 64:e3affc9e7238 596 return(result);
bogdanm 64:e3affc9e7238 597 #else
bogdanm 64:e3affc9e7238 598 return(0);
bogdanm 64:e3affc9e7238 599 #endif
bogdanm 64:e3affc9e7238 600 }
bogdanm 64:e3affc9e7238 601
bogdanm 64:e3affc9e7238 602
bogdanm 64:e3affc9e7238 603 /** \brief Set FPSCR
bogdanm 64:e3affc9e7238 604
bogdanm 64:e3affc9e7238 605 This function assigns the given value to the Floating Point Status/Control register.
bogdanm 64:e3affc9e7238 606
bogdanm 64:e3affc9e7238 607 \param [in] fpscr Floating Point Status/Control value to set
bogdanm 64:e3affc9e7238 608 */
bogdanm 64:e3affc9e7238 609 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
bogdanm 64:e3affc9e7238 610 {
bogdanm 64:e3affc9e7238 611 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
bogdanm 64:e3affc9e7238 612 /* Empty asm statement works as a scheduling barrier */
bogdanm 64:e3affc9e7238 613 __ASM volatile ("");
bogdanm 64:e3affc9e7238 614 __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc");
bogdanm 64:e3affc9e7238 615 __ASM volatile ("");
bogdanm 64:e3affc9e7238 616 #endif
bogdanm 64:e3affc9e7238 617 }
bogdanm 64:e3affc9e7238 618
bogdanm 64:e3affc9e7238 619 #endif /* (__CORTEX_M == 0x04) */
bogdanm 64:e3affc9e7238 620
bogdanm 64:e3affc9e7238 621
bogdanm 64:e3affc9e7238 622 #elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
bogdanm 64:e3affc9e7238 623 /* TASKING carm specific functions */
bogdanm 64:e3affc9e7238 624
bogdanm 64:e3affc9e7238 625 /*
bogdanm 64:e3affc9e7238 626 * The CMSIS functions have been implemented as intrinsics in the compiler.
bogdanm 64:e3affc9e7238 627 * Please use "carm -?i" to get an up to date list of all instrinsics,
bogdanm 64:e3affc9e7238 628 * Including the CMSIS ones.
bogdanm 64:e3affc9e7238 629 */
bogdanm 64:e3affc9e7238 630
bogdanm 64:e3affc9e7238 631 #endif
bogdanm 64:e3affc9e7238 632
bogdanm 64:e3affc9e7238 633 /*@} end of CMSIS_Core_RegAccFunctions */
bogdanm 64:e3affc9e7238 634
bogdanm 64:e3affc9e7238 635
bogdanm 64:e3affc9e7238 636 #endif /* __CORE_CMFUNC_H */