mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_ARCH_PRO/core_cmFunc.h@85:024bf7f99721, 2014-06-11 (annotated)

Committer:
bogdanm
Date:
Wed Jun 11 15:14:05 2014 +0100
Revision:
85:024bf7f99721
Child:
110:165afa46840b
Release 85 of the mbed library



Main changes:



- K64F Ethernet fixes

- Updated tests

- Fixes for various mbed targets

- Code cleanup: fixed warnings, more consistent code style

- GCC support for K64F



There is a known issue with the I2C interface on some ST targets. If you

find the I2C interface problematic on your ST board, please log a bug

against this on mbed.org.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 85:024bf7f99721 1 /**************************************************************************//**
bogdanm 85:024bf7f99721 2 * @file core_cmFunc.h
bogdanm 85:024bf7f99721 3 * @brief CMSIS Cortex-M Core Function Access Header File
bogdanm 85:024bf7f99721 4 * @version V3.20
bogdanm 85:024bf7f99721 5 * @date 25. February 2013
bogdanm 85:024bf7f99721 6 *
bogdanm 85:024bf7f99721 7 * @note
bogdanm 85:024bf7f99721 8 *
bogdanm 85:024bf7f99721 9 ******************************************************************************/
bogdanm 85:024bf7f99721 10 /* Copyright (c) 2009 - 2013 ARM LIMITED
bogdanm 85:024bf7f99721 11
bogdanm 85:024bf7f99721 12 All rights reserved.
bogdanm 85:024bf7f99721 13 Redistribution and use in source and binary forms, with or without
bogdanm 85:024bf7f99721 14 modification, are permitted provided that the following conditions are met:
bogdanm 85:024bf7f99721 15 - Redistributions of source code must retain the above copyright
bogdanm 85:024bf7f99721 16 notice, this list of conditions and the following disclaimer.
bogdanm 85:024bf7f99721 17 - Redistributions in binary form must reproduce the above copyright
bogdanm 85:024bf7f99721 18 notice, this list of conditions and the following disclaimer in the
bogdanm 85:024bf7f99721 19 documentation and/or other materials provided with the distribution.
bogdanm 85:024bf7f99721 20 - Neither the name of ARM nor the names of its contributors may be used
bogdanm 85:024bf7f99721 21 to endorse or promote products derived from this software without
bogdanm 85:024bf7f99721 22 specific prior written permission.
bogdanm 85:024bf7f99721 23 *
bogdanm 85:024bf7f99721 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 85:024bf7f99721 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 85:024bf7f99721 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
bogdanm 85:024bf7f99721 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
bogdanm 85:024bf7f99721 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
bogdanm 85:024bf7f99721 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
bogdanm 85:024bf7f99721 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
bogdanm 85:024bf7f99721 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
bogdanm 85:024bf7f99721 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
bogdanm 85:024bf7f99721 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
bogdanm 85:024bf7f99721 34 POSSIBILITY OF SUCH DAMAGE.
bogdanm 85:024bf7f99721 35 ---------------------------------------------------------------------------*/
bogdanm 85:024bf7f99721 36
bogdanm 85:024bf7f99721 37
bogdanm 85:024bf7f99721 38 #ifndef __CORE_CMFUNC_H
bogdanm 85:024bf7f99721 39 #define __CORE_CMFUNC_H
bogdanm 85:024bf7f99721 40
bogdanm 85:024bf7f99721 41
bogdanm 85:024bf7f99721 42 /* ########################### Core Function Access ########################### */
bogdanm 85:024bf7f99721 43 /** \ingroup CMSIS_Core_FunctionInterface
bogdanm 85:024bf7f99721 44 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
bogdanm 85:024bf7f99721 45 @{
bogdanm 85:024bf7f99721 46 */
bogdanm 85:024bf7f99721 47
bogdanm 85:024bf7f99721 48 #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
bogdanm 85:024bf7f99721 49 /* ARM armcc specific functions */
bogdanm 85:024bf7f99721 50
bogdanm 85:024bf7f99721 51 #if (__ARMCC_VERSION < 400677)
bogdanm 85:024bf7f99721 52 #error "Please use ARM Compiler Toolchain V4.0.677 or later!"
bogdanm 85:024bf7f99721 53 #endif
bogdanm 85:024bf7f99721 54
bogdanm 85:024bf7f99721 55 /* intrinsic void __enable_irq(); */
bogdanm 85:024bf7f99721 56 /* intrinsic void __disable_irq(); */
bogdanm 85:024bf7f99721 57
bogdanm 85:024bf7f99721 58 /** \brief Get Control Register
bogdanm 85:024bf7f99721 59
bogdanm 85:024bf7f99721 60 This function returns the content of the Control Register.
bogdanm 85:024bf7f99721 61
bogdanm 85:024bf7f99721 62 \return Control Register value
bogdanm 85:024bf7f99721 63 */
bogdanm 85:024bf7f99721 64 __STATIC_INLINE uint32_t __get_CONTROL(void)
bogdanm 85:024bf7f99721 65 {
bogdanm 85:024bf7f99721 66 register uint32_t __regControl __ASM("control");
bogdanm 85:024bf7f99721 67 return(__regControl);
bogdanm 85:024bf7f99721 68 }
bogdanm 85:024bf7f99721 69
bogdanm 85:024bf7f99721 70
bogdanm 85:024bf7f99721 71 /** \brief Set Control Register
bogdanm 85:024bf7f99721 72
bogdanm 85:024bf7f99721 73 This function writes the given value to the Control Register.
bogdanm 85:024bf7f99721 74
bogdanm 85:024bf7f99721 75 \param [in] control Control Register value to set
bogdanm 85:024bf7f99721 76 */
bogdanm 85:024bf7f99721 77 __STATIC_INLINE void __set_CONTROL(uint32_t control)
bogdanm 85:024bf7f99721 78 {
bogdanm 85:024bf7f99721 79 register uint32_t __regControl __ASM("control");
bogdanm 85:024bf7f99721 80 __regControl = control;
bogdanm 85:024bf7f99721 81 }
bogdanm 85:024bf7f99721 82
bogdanm 85:024bf7f99721 83
bogdanm 85:024bf7f99721 84 /** \brief Get IPSR Register
bogdanm 85:024bf7f99721 85
bogdanm 85:024bf7f99721 86 This function returns the content of the IPSR Register.
bogdanm 85:024bf7f99721 87
bogdanm 85:024bf7f99721 88 \return IPSR Register value
bogdanm 85:024bf7f99721 89 */
bogdanm 85:024bf7f99721 90 __STATIC_INLINE uint32_t __get_IPSR(void)
bogdanm 85:024bf7f99721 91 {
bogdanm 85:024bf7f99721 92 register uint32_t __regIPSR __ASM("ipsr");
bogdanm 85:024bf7f99721 93 return(__regIPSR);
bogdanm 85:024bf7f99721 94 }
bogdanm 85:024bf7f99721 95
bogdanm 85:024bf7f99721 96
bogdanm 85:024bf7f99721 97 /** \brief Get APSR Register
bogdanm 85:024bf7f99721 98
bogdanm 85:024bf7f99721 99 This function returns the content of the APSR Register.
bogdanm 85:024bf7f99721 100
bogdanm 85:024bf7f99721 101 \return APSR Register value
bogdanm 85:024bf7f99721 102 */
bogdanm 85:024bf7f99721 103 __STATIC_INLINE uint32_t __get_APSR(void)
bogdanm 85:024bf7f99721 104 {
bogdanm 85:024bf7f99721 105 register uint32_t __regAPSR __ASM("apsr");
bogdanm 85:024bf7f99721 106 return(__regAPSR);
bogdanm 85:024bf7f99721 107 }
bogdanm 85:024bf7f99721 108
bogdanm 85:024bf7f99721 109
bogdanm 85:024bf7f99721 110 /** \brief Get xPSR Register
bogdanm 85:024bf7f99721 111
bogdanm 85:024bf7f99721 112 This function returns the content of the xPSR Register.
bogdanm 85:024bf7f99721 113
bogdanm 85:024bf7f99721 114 \return xPSR Register value
bogdanm 85:024bf7f99721 115 */
bogdanm 85:024bf7f99721 116 __STATIC_INLINE uint32_t __get_xPSR(void)
bogdanm 85:024bf7f99721 117 {
bogdanm 85:024bf7f99721 118 register uint32_t __regXPSR __ASM("xpsr");
bogdanm 85:024bf7f99721 119 return(__regXPSR);
bogdanm 85:024bf7f99721 120 }
bogdanm 85:024bf7f99721 121
bogdanm 85:024bf7f99721 122
bogdanm 85:024bf7f99721 123 /** \brief Get Process Stack Pointer
bogdanm 85:024bf7f99721 124
bogdanm 85:024bf7f99721 125 This function returns the current value of the Process Stack Pointer (PSP).
bogdanm 85:024bf7f99721 126
bogdanm 85:024bf7f99721 127 \return PSP Register value
bogdanm 85:024bf7f99721 128 */
bogdanm 85:024bf7f99721 129 __STATIC_INLINE uint32_t __get_PSP(void)
bogdanm 85:024bf7f99721 130 {
bogdanm 85:024bf7f99721 131 register uint32_t __regProcessStackPointer __ASM("psp");
bogdanm 85:024bf7f99721 132 return(__regProcessStackPointer);
bogdanm 85:024bf7f99721 133 }
bogdanm 85:024bf7f99721 134
bogdanm 85:024bf7f99721 135
bogdanm 85:024bf7f99721 136 /** \brief Set Process Stack Pointer
bogdanm 85:024bf7f99721 137
bogdanm 85:024bf7f99721 138 This function assigns the given value to the Process Stack Pointer (PSP).
bogdanm 85:024bf7f99721 139
bogdanm 85:024bf7f99721 140 \param [in] topOfProcStack Process Stack Pointer value to set
bogdanm 85:024bf7f99721 141 */
bogdanm 85:024bf7f99721 142 __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
bogdanm 85:024bf7f99721 143 {
bogdanm 85:024bf7f99721 144 register uint32_t __regProcessStackPointer __ASM("psp");
bogdanm 85:024bf7f99721 145 __regProcessStackPointer = topOfProcStack;
bogdanm 85:024bf7f99721 146 }
bogdanm 85:024bf7f99721 147
bogdanm 85:024bf7f99721 148
bogdanm 85:024bf7f99721 149 /** \brief Get Main Stack Pointer
bogdanm 85:024bf7f99721 150
bogdanm 85:024bf7f99721 151 This function returns the current value of the Main Stack Pointer (MSP).
bogdanm 85:024bf7f99721 152
bogdanm 85:024bf7f99721 153 \return MSP Register value
bogdanm 85:024bf7f99721 154 */
bogdanm 85:024bf7f99721 155 __STATIC_INLINE uint32_t __get_MSP(void)
bogdanm 85:024bf7f99721 156 {
bogdanm 85:024bf7f99721 157 register uint32_t __regMainStackPointer __ASM("msp");
bogdanm 85:024bf7f99721 158 return(__regMainStackPointer);
bogdanm 85:024bf7f99721 159 }
bogdanm 85:024bf7f99721 160
bogdanm 85:024bf7f99721 161
bogdanm 85:024bf7f99721 162 /** \brief Set Main Stack Pointer
bogdanm 85:024bf7f99721 163
bogdanm 85:024bf7f99721 164 This function assigns the given value to the Main Stack Pointer (MSP).
bogdanm 85:024bf7f99721 165
bogdanm 85:024bf7f99721 166 \param [in] topOfMainStack Main Stack Pointer value to set
bogdanm 85:024bf7f99721 167 */
bogdanm 85:024bf7f99721 168 __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
bogdanm 85:024bf7f99721 169 {
bogdanm 85:024bf7f99721 170 register uint32_t __regMainStackPointer __ASM("msp");
bogdanm 85:024bf7f99721 171 __regMainStackPointer = topOfMainStack;
bogdanm 85:024bf7f99721 172 }
bogdanm 85:024bf7f99721 173
bogdanm 85:024bf7f99721 174
bogdanm 85:024bf7f99721 175 /** \brief Get Priority Mask
bogdanm 85:024bf7f99721 176
bogdanm 85:024bf7f99721 177 This function returns the current state of the priority mask bit from the Priority Mask Register.
bogdanm 85:024bf7f99721 178
bogdanm 85:024bf7f99721 179 \return Priority Mask value
bogdanm 85:024bf7f99721 180 */
bogdanm 85:024bf7f99721 181 __STATIC_INLINE uint32_t __get_PRIMASK(void)
bogdanm 85:024bf7f99721 182 {
bogdanm 85:024bf7f99721 183 register uint32_t __regPriMask __ASM("primask");
bogdanm 85:024bf7f99721 184 return(__regPriMask);
bogdanm 85:024bf7f99721 185 }
bogdanm 85:024bf7f99721 186
bogdanm 85:024bf7f99721 187
bogdanm 85:024bf7f99721 188 /** \brief Set Priority Mask
bogdanm 85:024bf7f99721 189
bogdanm 85:024bf7f99721 190 This function assigns the given value to the Priority Mask Register.
bogdanm 85:024bf7f99721 191
bogdanm 85:024bf7f99721 192 \param [in] priMask Priority Mask
bogdanm 85:024bf7f99721 193 */
bogdanm 85:024bf7f99721 194 __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
bogdanm 85:024bf7f99721 195 {
bogdanm 85:024bf7f99721 196 register uint32_t __regPriMask __ASM("primask");
bogdanm 85:024bf7f99721 197 __regPriMask = (priMask);
bogdanm 85:024bf7f99721 198 }
bogdanm 85:024bf7f99721 199
bogdanm 85:024bf7f99721 200
bogdanm 85:024bf7f99721 201 #if (__CORTEX_M >= 0x03)
bogdanm 85:024bf7f99721 202
bogdanm 85:024bf7f99721 203 /** \brief Enable FIQ
bogdanm 85:024bf7f99721 204
bogdanm 85:024bf7f99721 205 This function enables FIQ interrupts by clearing the F-bit in the CPSR.
bogdanm 85:024bf7f99721 206 Can only be executed in Privileged modes.
bogdanm 85:024bf7f99721 207 */
bogdanm 85:024bf7f99721 208 #define __enable_fault_irq __enable_fiq
bogdanm 85:024bf7f99721 209
bogdanm 85:024bf7f99721 210
bogdanm 85:024bf7f99721 211 /** \brief Disable FIQ
bogdanm 85:024bf7f99721 212
bogdanm 85:024bf7f99721 213 This function disables FIQ interrupts by setting the F-bit in the CPSR.
bogdanm 85:024bf7f99721 214 Can only be executed in Privileged modes.
bogdanm 85:024bf7f99721 215 */
bogdanm 85:024bf7f99721 216 #define __disable_fault_irq __disable_fiq
bogdanm 85:024bf7f99721 217
bogdanm 85:024bf7f99721 218
bogdanm 85:024bf7f99721 219 /** \brief Get Base Priority
bogdanm 85:024bf7f99721 220
bogdanm 85:024bf7f99721 221 This function returns the current value of the Base Priority register.
bogdanm 85:024bf7f99721 222
bogdanm 85:024bf7f99721 223 \return Base Priority register value
bogdanm 85:024bf7f99721 224 */
bogdanm 85:024bf7f99721 225 __STATIC_INLINE uint32_t __get_BASEPRI(void)
bogdanm 85:024bf7f99721 226 {
bogdanm 85:024bf7f99721 227 register uint32_t __regBasePri __ASM("basepri");
bogdanm 85:024bf7f99721 228 return(__regBasePri);
bogdanm 85:024bf7f99721 229 }
bogdanm 85:024bf7f99721 230
bogdanm 85:024bf7f99721 231
bogdanm 85:024bf7f99721 232 /** \brief Set Base Priority
bogdanm 85:024bf7f99721 233
bogdanm 85:024bf7f99721 234 This function assigns the given value to the Base Priority register.
bogdanm 85:024bf7f99721 235
bogdanm 85:024bf7f99721 236 \param [in] basePri Base Priority value to set
bogdanm 85:024bf7f99721 237 */
bogdanm 85:024bf7f99721 238 __STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
bogdanm 85:024bf7f99721 239 {
bogdanm 85:024bf7f99721 240 register uint32_t __regBasePri __ASM("basepri");
bogdanm 85:024bf7f99721 241 __regBasePri = (basePri & 0xff);
bogdanm 85:024bf7f99721 242 }
bogdanm 85:024bf7f99721 243
bogdanm 85:024bf7f99721 244
bogdanm 85:024bf7f99721 245 /** \brief Get Fault Mask
bogdanm 85:024bf7f99721 246
bogdanm 85:024bf7f99721 247 This function returns the current value of the Fault Mask register.
bogdanm 85:024bf7f99721 248
bogdanm 85:024bf7f99721 249 \return Fault Mask register value
bogdanm 85:024bf7f99721 250 */
bogdanm 85:024bf7f99721 251 __STATIC_INLINE uint32_t __get_FAULTMASK(void)
bogdanm 85:024bf7f99721 252 {
bogdanm 85:024bf7f99721 253 register uint32_t __regFaultMask __ASM("faultmask");
bogdanm 85:024bf7f99721 254 return(__regFaultMask);
bogdanm 85:024bf7f99721 255 }
bogdanm 85:024bf7f99721 256
bogdanm 85:024bf7f99721 257
bogdanm 85:024bf7f99721 258 /** \brief Set Fault Mask
bogdanm 85:024bf7f99721 259
bogdanm 85:024bf7f99721 260 This function assigns the given value to the Fault Mask register.
bogdanm 85:024bf7f99721 261
bogdanm 85:024bf7f99721 262 \param [in] faultMask Fault Mask value to set
bogdanm 85:024bf7f99721 263 */
bogdanm 85:024bf7f99721 264 __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
bogdanm 85:024bf7f99721 265 {
bogdanm 85:024bf7f99721 266 register uint32_t __regFaultMask __ASM("faultmask");
bogdanm 85:024bf7f99721 267 __regFaultMask = (faultMask & (uint32_t)1);
bogdanm 85:024bf7f99721 268 }
bogdanm 85:024bf7f99721 269
bogdanm 85:024bf7f99721 270 #endif /* (__CORTEX_M >= 0x03) */
bogdanm 85:024bf7f99721 271
bogdanm 85:024bf7f99721 272
bogdanm 85:024bf7f99721 273 #if (__CORTEX_M == 0x04)
bogdanm 85:024bf7f99721 274
bogdanm 85:024bf7f99721 275 /** \brief Get FPSCR
bogdanm 85:024bf7f99721 276
bogdanm 85:024bf7f99721 277 This function returns the current value of the Floating Point Status/Control register.
bogdanm 85:024bf7f99721 278
bogdanm 85:024bf7f99721 279 \return Floating Point Status/Control register value
bogdanm 85:024bf7f99721 280 */
bogdanm 85:024bf7f99721 281 __STATIC_INLINE uint32_t __get_FPSCR(void)
bogdanm 85:024bf7f99721 282 {
bogdanm 85:024bf7f99721 283 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
bogdanm 85:024bf7f99721 284 register uint32_t __regfpscr __ASM("fpscr");
bogdanm 85:024bf7f99721 285 return(__regfpscr);
bogdanm 85:024bf7f99721 286 #else
bogdanm 85:024bf7f99721 287 return(0);
bogdanm 85:024bf7f99721 288 #endif
bogdanm 85:024bf7f99721 289 }
bogdanm 85:024bf7f99721 290
bogdanm 85:024bf7f99721 291
bogdanm 85:024bf7f99721 292 /** \brief Set FPSCR
bogdanm 85:024bf7f99721 293
bogdanm 85:024bf7f99721 294 This function assigns the given value to the Floating Point Status/Control register.
bogdanm 85:024bf7f99721 295
bogdanm 85:024bf7f99721 296 \param [in] fpscr Floating Point Status/Control value to set
bogdanm 85:024bf7f99721 297 */
bogdanm 85:024bf7f99721 298 __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
bogdanm 85:024bf7f99721 299 {
bogdanm 85:024bf7f99721 300 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
bogdanm 85:024bf7f99721 301 register uint32_t __regfpscr __ASM("fpscr");
bogdanm 85:024bf7f99721 302 __regfpscr = (fpscr);
bogdanm 85:024bf7f99721 303 #endif
bogdanm 85:024bf7f99721 304 }
bogdanm 85:024bf7f99721 305
bogdanm 85:024bf7f99721 306 #endif /* (__CORTEX_M == 0x04) */
bogdanm 85:024bf7f99721 307
bogdanm 85:024bf7f99721 308
bogdanm 85:024bf7f99721 309 #elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
bogdanm 85:024bf7f99721 310 /* IAR iccarm specific functions */
bogdanm 85:024bf7f99721 311
bogdanm 85:024bf7f99721 312 #include <cmsis_iar.h>
bogdanm 85:024bf7f99721 313
bogdanm 85:024bf7f99721 314
bogdanm 85:024bf7f99721 315 #elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
bogdanm 85:024bf7f99721 316 /* TI CCS specific functions */
bogdanm 85:024bf7f99721 317
bogdanm 85:024bf7f99721 318 #include <cmsis_ccs.h>
bogdanm 85:024bf7f99721 319
bogdanm 85:024bf7f99721 320
bogdanm 85:024bf7f99721 321 #elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
bogdanm 85:024bf7f99721 322 /* GNU gcc specific functions */
bogdanm 85:024bf7f99721 323
bogdanm 85:024bf7f99721 324 /** \brief Enable IRQ Interrupts
bogdanm 85:024bf7f99721 325
bogdanm 85:024bf7f99721 326 This function enables IRQ interrupts by clearing the I-bit in the CPSR.
bogdanm 85:024bf7f99721 327 Can only be executed in Privileged modes.
bogdanm 85:024bf7f99721 328 */
bogdanm 85:024bf7f99721 329 __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void)
bogdanm 85:024bf7f99721 330 {
bogdanm 85:024bf7f99721 331 __ASM volatile ("cpsie i" : : : "memory");
bogdanm 85:024bf7f99721 332 }
bogdanm 85:024bf7f99721 333
bogdanm 85:024bf7f99721 334
bogdanm 85:024bf7f99721 335 /** \brief Disable IRQ Interrupts
bogdanm 85:024bf7f99721 336
bogdanm 85:024bf7f99721 337 This function disables IRQ interrupts by setting the I-bit in the CPSR.
bogdanm 85:024bf7f99721 338 Can only be executed in Privileged modes.
bogdanm 85:024bf7f99721 339 */
bogdanm 85:024bf7f99721 340 __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void)
bogdanm 85:024bf7f99721 341 {
bogdanm 85:024bf7f99721 342 __ASM volatile ("cpsid i" : : : "memory");
bogdanm 85:024bf7f99721 343 }
bogdanm 85:024bf7f99721 344
bogdanm 85:024bf7f99721 345
bogdanm 85:024bf7f99721 346 /** \brief Get Control Register
bogdanm 85:024bf7f99721 347
bogdanm 85:024bf7f99721 348 This function returns the content of the Control Register.
bogdanm 85:024bf7f99721 349
bogdanm 85:024bf7f99721 350 \return Control Register value
bogdanm 85:024bf7f99721 351 */
bogdanm 85:024bf7f99721 352 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void)
bogdanm 85:024bf7f99721 353 {
bogdanm 85:024bf7f99721 354 uint32_t result;
bogdanm 85:024bf7f99721 355
bogdanm 85:024bf7f99721 356 __ASM volatile ("MRS %0, control" : "=r" (result) );
bogdanm 85:024bf7f99721 357 return(result);
bogdanm 85:024bf7f99721 358 }
bogdanm 85:024bf7f99721 359
bogdanm 85:024bf7f99721 360
bogdanm 85:024bf7f99721 361 /** \brief Set Control Register
bogdanm 85:024bf7f99721 362
bogdanm 85:024bf7f99721 363 This function writes the given value to the Control Register.
bogdanm 85:024bf7f99721 364
bogdanm 85:024bf7f99721 365 \param [in] control Control Register value to set
bogdanm 85:024bf7f99721 366 */
bogdanm 85:024bf7f99721 367 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control)
bogdanm 85:024bf7f99721 368 {
bogdanm 85:024bf7f99721 369 __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
bogdanm 85:024bf7f99721 370 }
bogdanm 85:024bf7f99721 371
bogdanm 85:024bf7f99721 372
bogdanm 85:024bf7f99721 373 /** \brief Get IPSR Register
bogdanm 85:024bf7f99721 374
bogdanm 85:024bf7f99721 375 This function returns the content of the IPSR Register.
bogdanm 85:024bf7f99721 376
bogdanm 85:024bf7f99721 377 \return IPSR Register value
bogdanm 85:024bf7f99721 378 */
bogdanm 85:024bf7f99721 379 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void)
bogdanm 85:024bf7f99721 380 {
bogdanm 85:024bf7f99721 381 uint32_t result;
bogdanm 85:024bf7f99721 382
bogdanm 85:024bf7f99721 383 __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
bogdanm 85:024bf7f99721 384 return(result);
bogdanm 85:024bf7f99721 385 }
bogdanm 85:024bf7f99721 386
bogdanm 85:024bf7f99721 387
bogdanm 85:024bf7f99721 388 /** \brief Get APSR Register
bogdanm 85:024bf7f99721 389
bogdanm 85:024bf7f99721 390 This function returns the content of the APSR Register.
bogdanm 85:024bf7f99721 391
bogdanm 85:024bf7f99721 392 \return APSR Register value
bogdanm 85:024bf7f99721 393 */
bogdanm 85:024bf7f99721 394 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void)
bogdanm 85:024bf7f99721 395 {
bogdanm 85:024bf7f99721 396 uint32_t result;
bogdanm 85:024bf7f99721 397
bogdanm 85:024bf7f99721 398 __ASM volatile ("MRS %0, apsr" : "=r" (result) );
bogdanm 85:024bf7f99721 399 return(result);
bogdanm 85:024bf7f99721 400 }
bogdanm 85:024bf7f99721 401
bogdanm 85:024bf7f99721 402
bogdanm 85:024bf7f99721 403 /** \brief Get xPSR Register
bogdanm 85:024bf7f99721 404
bogdanm 85:024bf7f99721 405 This function returns the content of the xPSR Register.
bogdanm 85:024bf7f99721 406
bogdanm 85:024bf7f99721 407 \return xPSR Register value
bogdanm 85:024bf7f99721 408 */
bogdanm 85:024bf7f99721 409 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void)
bogdanm 85:024bf7f99721 410 {
bogdanm 85:024bf7f99721 411 uint32_t result;
bogdanm 85:024bf7f99721 412
bogdanm 85:024bf7f99721 413 __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
bogdanm 85:024bf7f99721 414 return(result);
bogdanm 85:024bf7f99721 415 }
bogdanm 85:024bf7f99721 416
bogdanm 85:024bf7f99721 417
bogdanm 85:024bf7f99721 418 /** \brief Get Process Stack Pointer
bogdanm 85:024bf7f99721 419
bogdanm 85:024bf7f99721 420 This function returns the current value of the Process Stack Pointer (PSP).
bogdanm 85:024bf7f99721 421
bogdanm 85:024bf7f99721 422 \return PSP Register value
bogdanm 85:024bf7f99721 423 */
bogdanm 85:024bf7f99721 424 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void)
bogdanm 85:024bf7f99721 425 {
bogdanm 85:024bf7f99721 426 register uint32_t result;
bogdanm 85:024bf7f99721 427
bogdanm 85:024bf7f99721 428 __ASM volatile ("MRS %0, psp\n" : "=r" (result) );
bogdanm 85:024bf7f99721 429 return(result);
bogdanm 85:024bf7f99721 430 }
bogdanm 85:024bf7f99721 431
bogdanm 85:024bf7f99721 432
bogdanm 85:024bf7f99721 433 /** \brief Set Process Stack Pointer
bogdanm 85:024bf7f99721 434
bogdanm 85:024bf7f99721 435 This function assigns the given value to the Process Stack Pointer (PSP).
bogdanm 85:024bf7f99721 436
bogdanm 85:024bf7f99721 437 \param [in] topOfProcStack Process Stack Pointer value to set
bogdanm 85:024bf7f99721 438 */
bogdanm 85:024bf7f99721 439 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
bogdanm 85:024bf7f99721 440 {
bogdanm 85:024bf7f99721 441 __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp");
bogdanm 85:024bf7f99721 442 }
bogdanm 85:024bf7f99721 443
bogdanm 85:024bf7f99721 444
bogdanm 85:024bf7f99721 445 /** \brief Get Main Stack Pointer
bogdanm 85:024bf7f99721 446
bogdanm 85:024bf7f99721 447 This function returns the current value of the Main Stack Pointer (MSP).
bogdanm 85:024bf7f99721 448
bogdanm 85:024bf7f99721 449 \return MSP Register value
bogdanm 85:024bf7f99721 450 */
bogdanm 85:024bf7f99721 451 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void)
bogdanm 85:024bf7f99721 452 {
bogdanm 85:024bf7f99721 453 register uint32_t result;
bogdanm 85:024bf7f99721 454
bogdanm 85:024bf7f99721 455 __ASM volatile ("MRS %0, msp\n" : "=r" (result) );
bogdanm 85:024bf7f99721 456 return(result);
bogdanm 85:024bf7f99721 457 }
bogdanm 85:024bf7f99721 458
bogdanm 85:024bf7f99721 459
bogdanm 85:024bf7f99721 460 /** \brief Set Main Stack Pointer
bogdanm 85:024bf7f99721 461
bogdanm 85:024bf7f99721 462 This function assigns the given value to the Main Stack Pointer (MSP).
bogdanm 85:024bf7f99721 463
bogdanm 85:024bf7f99721 464 \param [in] topOfMainStack Main Stack Pointer value to set
bogdanm 85:024bf7f99721 465 */
bogdanm 85:024bf7f99721 466 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
bogdanm 85:024bf7f99721 467 {
bogdanm 85:024bf7f99721 468 __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp");
bogdanm 85:024bf7f99721 469 }
bogdanm 85:024bf7f99721 470
bogdanm 85:024bf7f99721 471
bogdanm 85:024bf7f99721 472 /** \brief Get Priority Mask
bogdanm 85:024bf7f99721 473
bogdanm 85:024bf7f99721 474 This function returns the current state of the priority mask bit from the Priority Mask Register.
bogdanm 85:024bf7f99721 475
bogdanm 85:024bf7f99721 476 \return Priority Mask value
bogdanm 85:024bf7f99721 477 */
bogdanm 85:024bf7f99721 478 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void)
bogdanm 85:024bf7f99721 479 {
bogdanm 85:024bf7f99721 480 uint32_t result;
bogdanm 85:024bf7f99721 481
bogdanm 85:024bf7f99721 482 __ASM volatile ("MRS %0, primask" : "=r" (result) );
bogdanm 85:024bf7f99721 483 return(result);
bogdanm 85:024bf7f99721 484 }
bogdanm 85:024bf7f99721 485
bogdanm 85:024bf7f99721 486
bogdanm 85:024bf7f99721 487 /** \brief Set Priority Mask
bogdanm 85:024bf7f99721 488
bogdanm 85:024bf7f99721 489 This function assigns the given value to the Priority Mask Register.
bogdanm 85:024bf7f99721 490
bogdanm 85:024bf7f99721 491 \param [in] priMask Priority Mask
bogdanm 85:024bf7f99721 492 */
bogdanm 85:024bf7f99721 493 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
bogdanm 85:024bf7f99721 494 {
bogdanm 85:024bf7f99721 495 __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
bogdanm 85:024bf7f99721 496 }
bogdanm 85:024bf7f99721 497
bogdanm 85:024bf7f99721 498
bogdanm 85:024bf7f99721 499 #if (__CORTEX_M >= 0x03)
bogdanm 85:024bf7f99721 500
bogdanm 85:024bf7f99721 501 /** \brief Enable FIQ
bogdanm 85:024bf7f99721 502
bogdanm 85:024bf7f99721 503 This function enables FIQ interrupts by clearing the F-bit in the CPSR.
bogdanm 85:024bf7f99721 504 Can only be executed in Privileged modes.
bogdanm 85:024bf7f99721 505 */
bogdanm 85:024bf7f99721 506 __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void)
bogdanm 85:024bf7f99721 507 {
bogdanm 85:024bf7f99721 508 __ASM volatile ("cpsie f" : : : "memory");
bogdanm 85:024bf7f99721 509 }
bogdanm 85:024bf7f99721 510
bogdanm 85:024bf7f99721 511
bogdanm 85:024bf7f99721 512 /** \brief Disable FIQ
bogdanm 85:024bf7f99721 513
bogdanm 85:024bf7f99721 514 This function disables FIQ interrupts by setting the F-bit in the CPSR.
bogdanm 85:024bf7f99721 515 Can only be executed in Privileged modes.
bogdanm 85:024bf7f99721 516 */
bogdanm 85:024bf7f99721 517 __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void)
bogdanm 85:024bf7f99721 518 {
bogdanm 85:024bf7f99721 519 __ASM volatile ("cpsid f" : : : "memory");
bogdanm 85:024bf7f99721 520 }
bogdanm 85:024bf7f99721 521
bogdanm 85:024bf7f99721 522
bogdanm 85:024bf7f99721 523 /** \brief Get Base Priority
bogdanm 85:024bf7f99721 524
bogdanm 85:024bf7f99721 525 This function returns the current value of the Base Priority register.
bogdanm 85:024bf7f99721 526
bogdanm 85:024bf7f99721 527 \return Base Priority register value
bogdanm 85:024bf7f99721 528 */
bogdanm 85:024bf7f99721 529 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void)
bogdanm 85:024bf7f99721 530 {
bogdanm 85:024bf7f99721 531 uint32_t result;
bogdanm 85:024bf7f99721 532
bogdanm 85:024bf7f99721 533 __ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
bogdanm 85:024bf7f99721 534 return(result);
bogdanm 85:024bf7f99721 535 }
bogdanm 85:024bf7f99721 536
bogdanm 85:024bf7f99721 537
bogdanm 85:024bf7f99721 538 /** \brief Set Base Priority
bogdanm 85:024bf7f99721 539
bogdanm 85:024bf7f99721 540 This function assigns the given value to the Base Priority register.
bogdanm 85:024bf7f99721 541
bogdanm 85:024bf7f99721 542 \param [in] basePri Base Priority value to set
bogdanm 85:024bf7f99721 543 */
bogdanm 85:024bf7f99721 544 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value)
bogdanm 85:024bf7f99721 545 {
bogdanm 85:024bf7f99721 546 __ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory");
bogdanm 85:024bf7f99721 547 }
bogdanm 85:024bf7f99721 548
bogdanm 85:024bf7f99721 549
bogdanm 85:024bf7f99721 550 /** \brief Get Fault Mask
bogdanm 85:024bf7f99721 551
bogdanm 85:024bf7f99721 552 This function returns the current value of the Fault Mask register.
bogdanm 85:024bf7f99721 553
bogdanm 85:024bf7f99721 554 \return Fault Mask register value
bogdanm 85:024bf7f99721 555 */
bogdanm 85:024bf7f99721 556 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
bogdanm 85:024bf7f99721 557 {
bogdanm 85:024bf7f99721 558 uint32_t result;
bogdanm 85:024bf7f99721 559
bogdanm 85:024bf7f99721 560 __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
bogdanm 85:024bf7f99721 561 return(result);
bogdanm 85:024bf7f99721 562 }
bogdanm 85:024bf7f99721 563
bogdanm 85:024bf7f99721 564
bogdanm 85:024bf7f99721 565 /** \brief Set Fault Mask
bogdanm 85:024bf7f99721 566
bogdanm 85:024bf7f99721 567 This function assigns the given value to the Fault Mask register.
bogdanm 85:024bf7f99721 568
bogdanm 85:024bf7f99721 569 \param [in] faultMask Fault Mask value to set
bogdanm 85:024bf7f99721 570 */
bogdanm 85:024bf7f99721 571 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
bogdanm 85:024bf7f99721 572 {
bogdanm 85:024bf7f99721 573 __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
bogdanm 85:024bf7f99721 574 }
bogdanm 85:024bf7f99721 575
bogdanm 85:024bf7f99721 576 #endif /* (__CORTEX_M >= 0x03) */
bogdanm 85:024bf7f99721 577
bogdanm 85:024bf7f99721 578
bogdanm 85:024bf7f99721 579 #if (__CORTEX_M == 0x04)
bogdanm 85:024bf7f99721 580
bogdanm 85:024bf7f99721 581 /** \brief Get FPSCR
bogdanm 85:024bf7f99721 582
bogdanm 85:024bf7f99721 583 This function returns the current value of the Floating Point Status/Control register.
bogdanm 85:024bf7f99721 584
bogdanm 85:024bf7f99721 585 \return Floating Point Status/Control register value
bogdanm 85:024bf7f99721 586 */
bogdanm 85:024bf7f99721 587 __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
bogdanm 85:024bf7f99721 588 {
bogdanm 85:024bf7f99721 589 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
bogdanm 85:024bf7f99721 590 uint32_t result;
bogdanm 85:024bf7f99721 591
bogdanm 85:024bf7f99721 592 /* Empty asm statement works as a scheduling barrier */
bogdanm 85:024bf7f99721 593 __ASM volatile ("");
bogdanm 85:024bf7f99721 594 __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
bogdanm 85:024bf7f99721 595 __ASM volatile ("");
bogdanm 85:024bf7f99721 596 return(result);
bogdanm 85:024bf7f99721 597 #else
bogdanm 85:024bf7f99721 598 return(0);
bogdanm 85:024bf7f99721 599 #endif
bogdanm 85:024bf7f99721 600 }
bogdanm 85:024bf7f99721 601
bogdanm 85:024bf7f99721 602
bogdanm 85:024bf7f99721 603 /** \brief Set FPSCR
bogdanm 85:024bf7f99721 604
bogdanm 85:024bf7f99721 605 This function assigns the given value to the Floating Point Status/Control register.
bogdanm 85:024bf7f99721 606
bogdanm 85:024bf7f99721 607 \param [in] fpscr Floating Point Status/Control value to set
bogdanm 85:024bf7f99721 608 */
bogdanm 85:024bf7f99721 609 __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
bogdanm 85:024bf7f99721 610 {
bogdanm 85:024bf7f99721 611 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
bogdanm 85:024bf7f99721 612 /* Empty asm statement works as a scheduling barrier */
bogdanm 85:024bf7f99721 613 __ASM volatile ("");
bogdanm 85:024bf7f99721 614 __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc");
bogdanm 85:024bf7f99721 615 __ASM volatile ("");
bogdanm 85:024bf7f99721 616 #endif
bogdanm 85:024bf7f99721 617 }
bogdanm 85:024bf7f99721 618
bogdanm 85:024bf7f99721 619 #endif /* (__CORTEX_M == 0x04) */
bogdanm 85:024bf7f99721 620
bogdanm 85:024bf7f99721 621
bogdanm 85:024bf7f99721 622 #elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
bogdanm 85:024bf7f99721 623 /* TASKING carm specific functions */
bogdanm 85:024bf7f99721 624
bogdanm 85:024bf7f99721 625 /*
bogdanm 85:024bf7f99721 626 * The CMSIS functions have been implemented as intrinsics in the compiler.
bogdanm 85:024bf7f99721 627 * Please use "carm -?i" to get an up to date list of all instrinsics,
bogdanm 85:024bf7f99721 628 * Including the CMSIS ones.
bogdanm 85:024bf7f99721 629 */
bogdanm 85:024bf7f99721 630
bogdanm 85:024bf7f99721 631 #endif
bogdanm 85:024bf7f99721 632
bogdanm 85:024bf7f99721 633 /*@} end of CMSIS_Core_RegAccFunctions */
bogdanm 85:024bf7f99721 634
bogdanm 85:024bf7f99721 635
bogdanm 85:024bf7f99721 636 #endif /* __CORE_CMFUNC_H */