Jason Garner / ARM

same stuff from mbed trunk (LPC17xx.h, etc.) but nothing else

Dependents:   registers-example test test Tweeting_Machine_HelloWorld_WIZwiki-W750

same as the mbed trunk dated december 20th, 2012

(latest version is here: http://mbed.org/projects/libraries/svn/mbed/trunk/LPC1768/ARM)

core_cmFunc.h@0:f86e6135dcbc, 2012-12-21 (annotated)

Committer:
elevatorguy
Date:
Fri Dec 21 01:54:37 2012 +0000
Revision:
0:f86e6135dcbc
standard library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elevatorguy 0:f86e6135dcbc 1 /**************************************************************************//**
elevatorguy 0:f86e6135dcbc 2 * @file core_cmFunc.h
elevatorguy 0:f86e6135dcbc 3 * @brief CMSIS Cortex-M Core Function Access Header File
elevatorguy 0:f86e6135dcbc 4 * @version V3.00
elevatorguy 0:f86e6135dcbc 5 * @date 09. December 2011
elevatorguy 0:f86e6135dcbc 6 *
elevatorguy 0:f86e6135dcbc 7 * @note
elevatorguy 0:f86e6135dcbc 8 * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
elevatorguy 0:f86e6135dcbc 9 *
elevatorguy 0:f86e6135dcbc 10 * @par
elevatorguy 0:f86e6135dcbc 11 * ARM Limited (ARM) is supplying this software for use with Cortex-M
elevatorguy 0:f86e6135dcbc 12 * processor based microcontrollers. This file can be freely distributed
elevatorguy 0:f86e6135dcbc 13 * within development tools that are supporting such ARM based processors.
elevatorguy 0:f86e6135dcbc 14 *
elevatorguy 0:f86e6135dcbc 15 * @par
elevatorguy 0:f86e6135dcbc 16 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
elevatorguy 0:f86e6135dcbc 17 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
elevatorguy 0:f86e6135dcbc 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
elevatorguy 0:f86e6135dcbc 19 * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
elevatorguy 0:f86e6135dcbc 20 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
elevatorguy 0:f86e6135dcbc 21 *
elevatorguy 0:f86e6135dcbc 22 ******************************************************************************/
elevatorguy 0:f86e6135dcbc 23
elevatorguy 0:f86e6135dcbc 24 #ifndef __CORE_CMFUNC_H
elevatorguy 0:f86e6135dcbc 25 #define __CORE_CMFUNC_H
elevatorguy 0:f86e6135dcbc 26
elevatorguy 0:f86e6135dcbc 27
elevatorguy 0:f86e6135dcbc 28 /* ########################### Core Function Access ########################### */
elevatorguy 0:f86e6135dcbc 29 /** \ingroup CMSIS_Core_FunctionInterface
elevatorguy 0:f86e6135dcbc 30 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
elevatorguy 0:f86e6135dcbc 31 @{
elevatorguy 0:f86e6135dcbc 32 */
elevatorguy 0:f86e6135dcbc 33
elevatorguy 0:f86e6135dcbc 34 #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
elevatorguy 0:f86e6135dcbc 35 /* ARM armcc specific functions */
elevatorguy 0:f86e6135dcbc 36
elevatorguy 0:f86e6135dcbc 37 #if (__ARMCC_VERSION < 400677)
elevatorguy 0:f86e6135dcbc 38 #error "Please use ARM Compiler Toolchain V4.0.677 or later!"
elevatorguy 0:f86e6135dcbc 39 #endif
elevatorguy 0:f86e6135dcbc 40
elevatorguy 0:f86e6135dcbc 41 /* intrinsic void __enable_irq(); */
elevatorguy 0:f86e6135dcbc 42 /* intrinsic void __disable_irq(); */
elevatorguy 0:f86e6135dcbc 43
elevatorguy 0:f86e6135dcbc 44 /** \brief Get Control Register
elevatorguy 0:f86e6135dcbc 45
elevatorguy 0:f86e6135dcbc 46 This function returns the content of the Control Register.
elevatorguy 0:f86e6135dcbc 47
elevatorguy 0:f86e6135dcbc 48 \return Control Register value
elevatorguy 0:f86e6135dcbc 49 */
elevatorguy 0:f86e6135dcbc 50 static __INLINE uint32_t __get_CONTROL(void)
elevatorguy 0:f86e6135dcbc 51 {
elevatorguy 0:f86e6135dcbc 52 register uint32_t __regControl __ASM("control");
elevatorguy 0:f86e6135dcbc 53 return(__regControl);
elevatorguy 0:f86e6135dcbc 54 }
elevatorguy 0:f86e6135dcbc 55
elevatorguy 0:f86e6135dcbc 56
elevatorguy 0:f86e6135dcbc 57 /** \brief Set Control Register
elevatorguy 0:f86e6135dcbc 58
elevatorguy 0:f86e6135dcbc 59 This function writes the given value to the Control Register.
elevatorguy 0:f86e6135dcbc 60
elevatorguy 0:f86e6135dcbc 61 \param [in] control Control Register value to set
elevatorguy 0:f86e6135dcbc 62 */
elevatorguy 0:f86e6135dcbc 63 static __INLINE void __set_CONTROL(uint32_t control)
elevatorguy 0:f86e6135dcbc 64 {
elevatorguy 0:f86e6135dcbc 65 register uint32_t __regControl __ASM("control");
elevatorguy 0:f86e6135dcbc 66 __regControl = control;
elevatorguy 0:f86e6135dcbc 67 }
elevatorguy 0:f86e6135dcbc 68
elevatorguy 0:f86e6135dcbc 69
elevatorguy 0:f86e6135dcbc 70 /** \brief Get IPSR Register
elevatorguy 0:f86e6135dcbc 71
elevatorguy 0:f86e6135dcbc 72 This function returns the content of the IPSR Register.
elevatorguy 0:f86e6135dcbc 73
elevatorguy 0:f86e6135dcbc 74 \return IPSR Register value
elevatorguy 0:f86e6135dcbc 75 */
elevatorguy 0:f86e6135dcbc 76 static __INLINE uint32_t __get_IPSR(void)
elevatorguy 0:f86e6135dcbc 77 {
elevatorguy 0:f86e6135dcbc 78 register uint32_t __regIPSR __ASM("ipsr");
elevatorguy 0:f86e6135dcbc 79 return(__regIPSR);
elevatorguy 0:f86e6135dcbc 80 }
elevatorguy 0:f86e6135dcbc 81
elevatorguy 0:f86e6135dcbc 82
elevatorguy 0:f86e6135dcbc 83 /** \brief Get APSR Register
elevatorguy 0:f86e6135dcbc 84
elevatorguy 0:f86e6135dcbc 85 This function returns the content of the APSR Register.
elevatorguy 0:f86e6135dcbc 86
elevatorguy 0:f86e6135dcbc 87 \return APSR Register value
elevatorguy 0:f86e6135dcbc 88 */
elevatorguy 0:f86e6135dcbc 89 static __INLINE uint32_t __get_APSR(void)
elevatorguy 0:f86e6135dcbc 90 {
elevatorguy 0:f86e6135dcbc 91 register uint32_t __regAPSR __ASM("apsr");
elevatorguy 0:f86e6135dcbc 92 return(__regAPSR);
elevatorguy 0:f86e6135dcbc 93 }
elevatorguy 0:f86e6135dcbc 94
elevatorguy 0:f86e6135dcbc 95
elevatorguy 0:f86e6135dcbc 96 /** \brief Get xPSR Register
elevatorguy 0:f86e6135dcbc 97
elevatorguy 0:f86e6135dcbc 98 This function returns the content of the xPSR Register.
elevatorguy 0:f86e6135dcbc 99
elevatorguy 0:f86e6135dcbc 100 \return xPSR Register value
elevatorguy 0:f86e6135dcbc 101 */
elevatorguy 0:f86e6135dcbc 102 static __INLINE uint32_t __get_xPSR(void)
elevatorguy 0:f86e6135dcbc 103 {
elevatorguy 0:f86e6135dcbc 104 register uint32_t __regXPSR __ASM("xpsr");
elevatorguy 0:f86e6135dcbc 105 return(__regXPSR);
elevatorguy 0:f86e6135dcbc 106 }
elevatorguy 0:f86e6135dcbc 107
elevatorguy 0:f86e6135dcbc 108
elevatorguy 0:f86e6135dcbc 109 /** \brief Get Process Stack Pointer
elevatorguy 0:f86e6135dcbc 110
elevatorguy 0:f86e6135dcbc 111 This function returns the current value of the Process Stack Pointer (PSP).
elevatorguy 0:f86e6135dcbc 112
elevatorguy 0:f86e6135dcbc 113 \return PSP Register value
elevatorguy 0:f86e6135dcbc 114 */
elevatorguy 0:f86e6135dcbc 115 static __INLINE uint32_t __get_PSP(void)
elevatorguy 0:f86e6135dcbc 116 {
elevatorguy 0:f86e6135dcbc 117 register uint32_t __regProcessStackPointer __ASM("psp");
elevatorguy 0:f86e6135dcbc 118 return(__regProcessStackPointer);
elevatorguy 0:f86e6135dcbc 119 }
elevatorguy 0:f86e6135dcbc 120
elevatorguy 0:f86e6135dcbc 121
elevatorguy 0:f86e6135dcbc 122 /** \brief Set Process Stack Pointer
elevatorguy 0:f86e6135dcbc 123
elevatorguy 0:f86e6135dcbc 124 This function assigns the given value to the Process Stack Pointer (PSP).
elevatorguy 0:f86e6135dcbc 125
elevatorguy 0:f86e6135dcbc 126 \param [in] topOfProcStack Process Stack Pointer value to set
elevatorguy 0:f86e6135dcbc 127 */
elevatorguy 0:f86e6135dcbc 128 static __INLINE void __set_PSP(uint32_t topOfProcStack)
elevatorguy 0:f86e6135dcbc 129 {
elevatorguy 0:f86e6135dcbc 130 register uint32_t __regProcessStackPointer __ASM("psp");
elevatorguy 0:f86e6135dcbc 131 __regProcessStackPointer = topOfProcStack;
elevatorguy 0:f86e6135dcbc 132 }
elevatorguy 0:f86e6135dcbc 133
elevatorguy 0:f86e6135dcbc 134
elevatorguy 0:f86e6135dcbc 135 /** \brief Get Main Stack Pointer
elevatorguy 0:f86e6135dcbc 136
elevatorguy 0:f86e6135dcbc 137 This function returns the current value of the Main Stack Pointer (MSP).
elevatorguy 0:f86e6135dcbc 138
elevatorguy 0:f86e6135dcbc 139 \return MSP Register value
elevatorguy 0:f86e6135dcbc 140 */
elevatorguy 0:f86e6135dcbc 141 static __INLINE uint32_t __get_MSP(void)
elevatorguy 0:f86e6135dcbc 142 {
elevatorguy 0:f86e6135dcbc 143 register uint32_t __regMainStackPointer __ASM("msp");
elevatorguy 0:f86e6135dcbc 144 return(__regMainStackPointer);
elevatorguy 0:f86e6135dcbc 145 }
elevatorguy 0:f86e6135dcbc 146
elevatorguy 0:f86e6135dcbc 147
elevatorguy 0:f86e6135dcbc 148 /** \brief Set Main Stack Pointer
elevatorguy 0:f86e6135dcbc 149
elevatorguy 0:f86e6135dcbc 150 This function assigns the given value to the Main Stack Pointer (MSP).
elevatorguy 0:f86e6135dcbc 151
elevatorguy 0:f86e6135dcbc 152 \param [in] topOfMainStack Main Stack Pointer value to set
elevatorguy 0:f86e6135dcbc 153 */
elevatorguy 0:f86e6135dcbc 154 static __INLINE void __set_MSP(uint32_t topOfMainStack)
elevatorguy 0:f86e6135dcbc 155 {
elevatorguy 0:f86e6135dcbc 156 register uint32_t __regMainStackPointer __ASM("msp");
elevatorguy 0:f86e6135dcbc 157 __regMainStackPointer = topOfMainStack;
elevatorguy 0:f86e6135dcbc 158 }
elevatorguy 0:f86e6135dcbc 159
elevatorguy 0:f86e6135dcbc 160
elevatorguy 0:f86e6135dcbc 161 /** \brief Get Priority Mask
elevatorguy 0:f86e6135dcbc 162
elevatorguy 0:f86e6135dcbc 163 This function returns the current state of the priority mask bit from the Priority Mask Register.
elevatorguy 0:f86e6135dcbc 164
elevatorguy 0:f86e6135dcbc 165 \return Priority Mask value
elevatorguy 0:f86e6135dcbc 166 */
elevatorguy 0:f86e6135dcbc 167 static __INLINE uint32_t __get_PRIMASK(void)
elevatorguy 0:f86e6135dcbc 168 {
elevatorguy 0:f86e6135dcbc 169 register uint32_t __regPriMask __ASM("primask");
elevatorguy 0:f86e6135dcbc 170 return(__regPriMask);
elevatorguy 0:f86e6135dcbc 171 }
elevatorguy 0:f86e6135dcbc 172
elevatorguy 0:f86e6135dcbc 173
elevatorguy 0:f86e6135dcbc 174 /** \brief Set Priority Mask
elevatorguy 0:f86e6135dcbc 175
elevatorguy 0:f86e6135dcbc 176 This function assigns the given value to the Priority Mask Register.
elevatorguy 0:f86e6135dcbc 177
elevatorguy 0:f86e6135dcbc 178 \param [in] priMask Priority Mask
elevatorguy 0:f86e6135dcbc 179 */
elevatorguy 0:f86e6135dcbc 180 static __INLINE void __set_PRIMASK(uint32_t priMask)
elevatorguy 0:f86e6135dcbc 181 {
elevatorguy 0:f86e6135dcbc 182 register uint32_t __regPriMask __ASM("primask");
elevatorguy 0:f86e6135dcbc 183 __regPriMask = (priMask);
elevatorguy 0:f86e6135dcbc 184 }
elevatorguy 0:f86e6135dcbc 185
elevatorguy 0:f86e6135dcbc 186
elevatorguy 0:f86e6135dcbc 187 #if (__CORTEX_M >= 0x03)
elevatorguy 0:f86e6135dcbc 188
elevatorguy 0:f86e6135dcbc 189 /** \brief Enable FIQ
elevatorguy 0:f86e6135dcbc 190
elevatorguy 0:f86e6135dcbc 191 This function enables FIQ interrupts by clearing the F-bit in the CPSR.
elevatorguy 0:f86e6135dcbc 192 Can only be executed in Privileged modes.
elevatorguy 0:f86e6135dcbc 193 */
elevatorguy 0:f86e6135dcbc 194 #define __enable_fault_irq __enable_fiq
elevatorguy 0:f86e6135dcbc 195
elevatorguy 0:f86e6135dcbc 196
elevatorguy 0:f86e6135dcbc 197 /** \brief Disable FIQ
elevatorguy 0:f86e6135dcbc 198
elevatorguy 0:f86e6135dcbc 199 This function disables FIQ interrupts by setting the F-bit in the CPSR.
elevatorguy 0:f86e6135dcbc 200 Can only be executed in Privileged modes.
elevatorguy 0:f86e6135dcbc 201 */
elevatorguy 0:f86e6135dcbc 202 #define __disable_fault_irq __disable_fiq
elevatorguy 0:f86e6135dcbc 203
elevatorguy 0:f86e6135dcbc 204
elevatorguy 0:f86e6135dcbc 205 /** \brief Get Base Priority
elevatorguy 0:f86e6135dcbc 206
elevatorguy 0:f86e6135dcbc 207 This function returns the current value of the Base Priority register.
elevatorguy 0:f86e6135dcbc 208
elevatorguy 0:f86e6135dcbc 209 \return Base Priority register value
elevatorguy 0:f86e6135dcbc 210 */
elevatorguy 0:f86e6135dcbc 211 static __INLINE uint32_t __get_BASEPRI(void)
elevatorguy 0:f86e6135dcbc 212 {
elevatorguy 0:f86e6135dcbc 213 register uint32_t __regBasePri __ASM("basepri");
elevatorguy 0:f86e6135dcbc 214 return(__regBasePri);
elevatorguy 0:f86e6135dcbc 215 }
elevatorguy 0:f86e6135dcbc 216
elevatorguy 0:f86e6135dcbc 217
elevatorguy 0:f86e6135dcbc 218 /** \brief Set Base Priority
elevatorguy 0:f86e6135dcbc 219
elevatorguy 0:f86e6135dcbc 220 This function assigns the given value to the Base Priority register.
elevatorguy 0:f86e6135dcbc 221
elevatorguy 0:f86e6135dcbc 222 \param [in] basePri Base Priority value to set
elevatorguy 0:f86e6135dcbc 223 */
elevatorguy 0:f86e6135dcbc 224 static __INLINE void __set_BASEPRI(uint32_t basePri)
elevatorguy 0:f86e6135dcbc 225 {
elevatorguy 0:f86e6135dcbc 226 register uint32_t __regBasePri __ASM("basepri");
elevatorguy 0:f86e6135dcbc 227 __regBasePri = (basePri & 0xff);
elevatorguy 0:f86e6135dcbc 228 }
elevatorguy 0:f86e6135dcbc 229
elevatorguy 0:f86e6135dcbc 230
elevatorguy 0:f86e6135dcbc 231 /** \brief Get Fault Mask
elevatorguy 0:f86e6135dcbc 232
elevatorguy 0:f86e6135dcbc 233 This function returns the current value of the Fault Mask register.
elevatorguy 0:f86e6135dcbc 234
elevatorguy 0:f86e6135dcbc 235 \return Fault Mask register value
elevatorguy 0:f86e6135dcbc 236 */
elevatorguy 0:f86e6135dcbc 237 static __INLINE uint32_t __get_FAULTMASK(void)
elevatorguy 0:f86e6135dcbc 238 {
elevatorguy 0:f86e6135dcbc 239 register uint32_t __regFaultMask __ASM("faultmask");
elevatorguy 0:f86e6135dcbc 240 return(__regFaultMask);
elevatorguy 0:f86e6135dcbc 241 }
elevatorguy 0:f86e6135dcbc 242
elevatorguy 0:f86e6135dcbc 243
elevatorguy 0:f86e6135dcbc 244 /** \brief Set Fault Mask
elevatorguy 0:f86e6135dcbc 245
elevatorguy 0:f86e6135dcbc 246 This function assigns the given value to the Fault Mask register.
elevatorguy 0:f86e6135dcbc 247
elevatorguy 0:f86e6135dcbc 248 \param [in] faultMask Fault Mask value to set
elevatorguy 0:f86e6135dcbc 249 */
elevatorguy 0:f86e6135dcbc 250 static __INLINE void __set_FAULTMASK(uint32_t faultMask)
elevatorguy 0:f86e6135dcbc 251 {
elevatorguy 0:f86e6135dcbc 252 register uint32_t __regFaultMask __ASM("faultmask");
elevatorguy 0:f86e6135dcbc 253 __regFaultMask = (faultMask & (uint32_t)1);
elevatorguy 0:f86e6135dcbc 254 }
elevatorguy 0:f86e6135dcbc 255
elevatorguy 0:f86e6135dcbc 256 #endif /* (__CORTEX_M >= 0x03) */
elevatorguy 0:f86e6135dcbc 257
elevatorguy 0:f86e6135dcbc 258
elevatorguy 0:f86e6135dcbc 259 #if (__CORTEX_M == 0x04)
elevatorguy 0:f86e6135dcbc 260
elevatorguy 0:f86e6135dcbc 261 /** \brief Get FPSCR
elevatorguy 0:f86e6135dcbc 262
elevatorguy 0:f86e6135dcbc 263 This function returns the current value of the Floating Point Status/Control register.
elevatorguy 0:f86e6135dcbc 264
elevatorguy 0:f86e6135dcbc 265 \return Floating Point Status/Control register value
elevatorguy 0:f86e6135dcbc 266 */
elevatorguy 0:f86e6135dcbc 267 static __INLINE uint32_t __get_FPSCR(void)
elevatorguy 0:f86e6135dcbc 268 {
elevatorguy 0:f86e6135dcbc 269 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
elevatorguy 0:f86e6135dcbc 270 register uint32_t __regfpscr __ASM("fpscr");
elevatorguy 0:f86e6135dcbc 271 return(__regfpscr);
elevatorguy 0:f86e6135dcbc 272 #else
elevatorguy 0:f86e6135dcbc 273 return(0);
elevatorguy 0:f86e6135dcbc 274 #endif
elevatorguy 0:f86e6135dcbc 275 }
elevatorguy 0:f86e6135dcbc 276
elevatorguy 0:f86e6135dcbc 277
elevatorguy 0:f86e6135dcbc 278 /** \brief Set FPSCR
elevatorguy 0:f86e6135dcbc 279
elevatorguy 0:f86e6135dcbc 280 This function assigns the given value to the Floating Point Status/Control register.
elevatorguy 0:f86e6135dcbc 281
elevatorguy 0:f86e6135dcbc 282 \param [in] fpscr Floating Point Status/Control value to set
elevatorguy 0:f86e6135dcbc 283 */
elevatorguy 0:f86e6135dcbc 284 static __INLINE void __set_FPSCR(uint32_t fpscr)
elevatorguy 0:f86e6135dcbc 285 {
elevatorguy 0:f86e6135dcbc 286 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
elevatorguy 0:f86e6135dcbc 287 register uint32_t __regfpscr __ASM("fpscr");
elevatorguy 0:f86e6135dcbc 288 __regfpscr = (fpscr);
elevatorguy 0:f86e6135dcbc 289 #endif
elevatorguy 0:f86e6135dcbc 290 }
elevatorguy 0:f86e6135dcbc 291
elevatorguy 0:f86e6135dcbc 292 #endif /* (__CORTEX_M == 0x04) */
elevatorguy 0:f86e6135dcbc 293
elevatorguy 0:f86e6135dcbc 294
elevatorguy 0:f86e6135dcbc 295 #elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
elevatorguy 0:f86e6135dcbc 296 /* IAR iccarm specific functions */
elevatorguy 0:f86e6135dcbc 297
elevatorguy 0:f86e6135dcbc 298 #include <cmsis_iar.h>
elevatorguy 0:f86e6135dcbc 299
elevatorguy 0:f86e6135dcbc 300 #elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
elevatorguy 0:f86e6135dcbc 301 /* GNU gcc specific functions */
elevatorguy 0:f86e6135dcbc 302
elevatorguy 0:f86e6135dcbc 303 /** \brief Enable IRQ Interrupts
elevatorguy 0:f86e6135dcbc 304
elevatorguy 0:f86e6135dcbc 305 This function enables IRQ interrupts by clearing the I-bit in the CPSR.
elevatorguy 0:f86e6135dcbc 306 Can only be executed in Privileged modes.
elevatorguy 0:f86e6135dcbc 307 */
elevatorguy 0:f86e6135dcbc 308 __attribute__( ( always_inline ) ) static __INLINE void __enable_irq(void)
elevatorguy 0:f86e6135dcbc 309 {
elevatorguy 0:f86e6135dcbc 310 __ASM volatile ("cpsie i");
elevatorguy 0:f86e6135dcbc 311 }
elevatorguy 0:f86e6135dcbc 312
elevatorguy 0:f86e6135dcbc 313
elevatorguy 0:f86e6135dcbc 314 /** \brief Disable IRQ Interrupts
elevatorguy 0:f86e6135dcbc 315
elevatorguy 0:f86e6135dcbc 316 This function disables IRQ interrupts by setting the I-bit in the CPSR.
elevatorguy 0:f86e6135dcbc 317 Can only be executed in Privileged modes.
elevatorguy 0:f86e6135dcbc 318 */
elevatorguy 0:f86e6135dcbc 319 __attribute__( ( always_inline ) ) static __INLINE void __disable_irq(void)
elevatorguy 0:f86e6135dcbc 320 {
elevatorguy 0:f86e6135dcbc 321 __ASM volatile ("cpsid i");
elevatorguy 0:f86e6135dcbc 322 }
elevatorguy 0:f86e6135dcbc 323
elevatorguy 0:f86e6135dcbc 324
elevatorguy 0:f86e6135dcbc 325 /** \brief Get Control Register
elevatorguy 0:f86e6135dcbc 326
elevatorguy 0:f86e6135dcbc 327 This function returns the content of the Control Register.
elevatorguy 0:f86e6135dcbc 328
elevatorguy 0:f86e6135dcbc 329 \return Control Register value
elevatorguy 0:f86e6135dcbc 330 */
elevatorguy 0:f86e6135dcbc 331 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_CONTROL(void)
elevatorguy 0:f86e6135dcbc 332 {
elevatorguy 0:f86e6135dcbc 333 uint32_t result;
elevatorguy 0:f86e6135dcbc 334
elevatorguy 0:f86e6135dcbc 335 __ASM volatile ("MRS %0, control" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 336 return(result);
elevatorguy 0:f86e6135dcbc 337 }
elevatorguy 0:f86e6135dcbc 338
elevatorguy 0:f86e6135dcbc 339
elevatorguy 0:f86e6135dcbc 340 /** \brief Set Control Register
elevatorguy 0:f86e6135dcbc 341
elevatorguy 0:f86e6135dcbc 342 This function writes the given value to the Control Register.
elevatorguy 0:f86e6135dcbc 343
elevatorguy 0:f86e6135dcbc 344 \param [in] control Control Register value to set
elevatorguy 0:f86e6135dcbc 345 */
elevatorguy 0:f86e6135dcbc 346 __attribute__( ( always_inline ) ) static __INLINE void __set_CONTROL(uint32_t control)
elevatorguy 0:f86e6135dcbc 347 {
elevatorguy 0:f86e6135dcbc 348 __ASM volatile ("MSR control, %0" : : "r" (control) );
elevatorguy 0:f86e6135dcbc 349 }
elevatorguy 0:f86e6135dcbc 350
elevatorguy 0:f86e6135dcbc 351
elevatorguy 0:f86e6135dcbc 352 /** \brief Get IPSR Register
elevatorguy 0:f86e6135dcbc 353
elevatorguy 0:f86e6135dcbc 354 This function returns the content of the IPSR Register.
elevatorguy 0:f86e6135dcbc 355
elevatorguy 0:f86e6135dcbc 356 \return IPSR Register value
elevatorguy 0:f86e6135dcbc 357 */
elevatorguy 0:f86e6135dcbc 358 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_IPSR(void)
elevatorguy 0:f86e6135dcbc 359 {
elevatorguy 0:f86e6135dcbc 360 uint32_t result;
elevatorguy 0:f86e6135dcbc 361
elevatorguy 0:f86e6135dcbc 362 __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 363 return(result);
elevatorguy 0:f86e6135dcbc 364 }
elevatorguy 0:f86e6135dcbc 365
elevatorguy 0:f86e6135dcbc 366
elevatorguy 0:f86e6135dcbc 367 /** \brief Get APSR Register
elevatorguy 0:f86e6135dcbc 368
elevatorguy 0:f86e6135dcbc 369 This function returns the content of the APSR Register.
elevatorguy 0:f86e6135dcbc 370
elevatorguy 0:f86e6135dcbc 371 \return APSR Register value
elevatorguy 0:f86e6135dcbc 372 */
elevatorguy 0:f86e6135dcbc 373 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_APSR(void)
elevatorguy 0:f86e6135dcbc 374 {
elevatorguy 0:f86e6135dcbc 375 uint32_t result;
elevatorguy 0:f86e6135dcbc 376
elevatorguy 0:f86e6135dcbc 377 __ASM volatile ("MRS %0, apsr" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 378 return(result);
elevatorguy 0:f86e6135dcbc 379 }
elevatorguy 0:f86e6135dcbc 380
elevatorguy 0:f86e6135dcbc 381
elevatorguy 0:f86e6135dcbc 382 /** \brief Get xPSR Register
elevatorguy 0:f86e6135dcbc 383
elevatorguy 0:f86e6135dcbc 384 This function returns the content of the xPSR Register.
elevatorguy 0:f86e6135dcbc 385
elevatorguy 0:f86e6135dcbc 386 \return xPSR Register value
elevatorguy 0:f86e6135dcbc 387 */
elevatorguy 0:f86e6135dcbc 388 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_xPSR(void)
elevatorguy 0:f86e6135dcbc 389 {
elevatorguy 0:f86e6135dcbc 390 uint32_t result;
elevatorguy 0:f86e6135dcbc 391
elevatorguy 0:f86e6135dcbc 392 __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 393 return(result);
elevatorguy 0:f86e6135dcbc 394 }
elevatorguy 0:f86e6135dcbc 395
elevatorguy 0:f86e6135dcbc 396
elevatorguy 0:f86e6135dcbc 397 /** \brief Get Process Stack Pointer
elevatorguy 0:f86e6135dcbc 398
elevatorguy 0:f86e6135dcbc 399 This function returns the current value of the Process Stack Pointer (PSP).
elevatorguy 0:f86e6135dcbc 400
elevatorguy 0:f86e6135dcbc 401 \return PSP Register value
elevatorguy 0:f86e6135dcbc 402 */
elevatorguy 0:f86e6135dcbc 403 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PSP(void)
elevatorguy 0:f86e6135dcbc 404 {
elevatorguy 0:f86e6135dcbc 405 register uint32_t result;
elevatorguy 0:f86e6135dcbc 406
elevatorguy 0:f86e6135dcbc 407 __ASM volatile ("MRS %0, psp\n" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 408 return(result);
elevatorguy 0:f86e6135dcbc 409 }
elevatorguy 0:f86e6135dcbc 410
elevatorguy 0:f86e6135dcbc 411
elevatorguy 0:f86e6135dcbc 412 /** \brief Set Process Stack Pointer
elevatorguy 0:f86e6135dcbc 413
elevatorguy 0:f86e6135dcbc 414 This function assigns the given value to the Process Stack Pointer (PSP).
elevatorguy 0:f86e6135dcbc 415
elevatorguy 0:f86e6135dcbc 416 \param [in] topOfProcStack Process Stack Pointer value to set
elevatorguy 0:f86e6135dcbc 417 */
elevatorguy 0:f86e6135dcbc 418 __attribute__( ( always_inline ) ) static __INLINE void __set_PSP(uint32_t topOfProcStack)
elevatorguy 0:f86e6135dcbc 419 {
elevatorguy 0:f86e6135dcbc 420 __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) );
elevatorguy 0:f86e6135dcbc 421 }
elevatorguy 0:f86e6135dcbc 422
elevatorguy 0:f86e6135dcbc 423
elevatorguy 0:f86e6135dcbc 424 /** \brief Get Main Stack Pointer
elevatorguy 0:f86e6135dcbc 425
elevatorguy 0:f86e6135dcbc 426 This function returns the current value of the Main Stack Pointer (MSP).
elevatorguy 0:f86e6135dcbc 427
elevatorguy 0:f86e6135dcbc 428 \return MSP Register value
elevatorguy 0:f86e6135dcbc 429 */
elevatorguy 0:f86e6135dcbc 430 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_MSP(void)
elevatorguy 0:f86e6135dcbc 431 {
elevatorguy 0:f86e6135dcbc 432 register uint32_t result;
elevatorguy 0:f86e6135dcbc 433
elevatorguy 0:f86e6135dcbc 434 __ASM volatile ("MRS %0, msp\n" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 435 return(result);
elevatorguy 0:f86e6135dcbc 436 }
elevatorguy 0:f86e6135dcbc 437
elevatorguy 0:f86e6135dcbc 438
elevatorguy 0:f86e6135dcbc 439 /** \brief Set Main Stack Pointer
elevatorguy 0:f86e6135dcbc 440
elevatorguy 0:f86e6135dcbc 441 This function assigns the given value to the Main Stack Pointer (MSP).
elevatorguy 0:f86e6135dcbc 442
elevatorguy 0:f86e6135dcbc 443 \param [in] topOfMainStack Main Stack Pointer value to set
elevatorguy 0:f86e6135dcbc 444 */
elevatorguy 0:f86e6135dcbc 445 __attribute__( ( always_inline ) ) static __INLINE void __set_MSP(uint32_t topOfMainStack)
elevatorguy 0:f86e6135dcbc 446 {
elevatorguy 0:f86e6135dcbc 447 __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) );
elevatorguy 0:f86e6135dcbc 448 }
elevatorguy 0:f86e6135dcbc 449
elevatorguy 0:f86e6135dcbc 450
elevatorguy 0:f86e6135dcbc 451 /** \brief Get Priority Mask
elevatorguy 0:f86e6135dcbc 452
elevatorguy 0:f86e6135dcbc 453 This function returns the current state of the priority mask bit from the Priority Mask Register.
elevatorguy 0:f86e6135dcbc 454
elevatorguy 0:f86e6135dcbc 455 \return Priority Mask value
elevatorguy 0:f86e6135dcbc 456 */
elevatorguy 0:f86e6135dcbc 457 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PRIMASK(void)
elevatorguy 0:f86e6135dcbc 458 {
elevatorguy 0:f86e6135dcbc 459 uint32_t result;
elevatorguy 0:f86e6135dcbc 460
elevatorguy 0:f86e6135dcbc 461 __ASM volatile ("MRS %0, primask" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 462 return(result);
elevatorguy 0:f86e6135dcbc 463 }
elevatorguy 0:f86e6135dcbc 464
elevatorguy 0:f86e6135dcbc 465
elevatorguy 0:f86e6135dcbc 466 /** \brief Set Priority Mask
elevatorguy 0:f86e6135dcbc 467
elevatorguy 0:f86e6135dcbc 468 This function assigns the given value to the Priority Mask Register.
elevatorguy 0:f86e6135dcbc 469
elevatorguy 0:f86e6135dcbc 470 \param [in] priMask Priority Mask
elevatorguy 0:f86e6135dcbc 471 */
elevatorguy 0:f86e6135dcbc 472 __attribute__( ( always_inline ) ) static __INLINE void __set_PRIMASK(uint32_t priMask)
elevatorguy 0:f86e6135dcbc 473 {
elevatorguy 0:f86e6135dcbc 474 __ASM volatile ("MSR primask, %0" : : "r" (priMask) );
elevatorguy 0:f86e6135dcbc 475 }
elevatorguy 0:f86e6135dcbc 476
elevatorguy 0:f86e6135dcbc 477
elevatorguy 0:f86e6135dcbc 478 #if (__CORTEX_M >= 0x03)
elevatorguy 0:f86e6135dcbc 479
elevatorguy 0:f86e6135dcbc 480 /** \brief Enable FIQ
elevatorguy 0:f86e6135dcbc 481
elevatorguy 0:f86e6135dcbc 482 This function enables FIQ interrupts by clearing the F-bit in the CPSR.
elevatorguy 0:f86e6135dcbc 483 Can only be executed in Privileged modes.
elevatorguy 0:f86e6135dcbc 484 */
elevatorguy 0:f86e6135dcbc 485 __attribute__( ( always_inline ) ) static __INLINE void __enable_fault_irq(void)
elevatorguy 0:f86e6135dcbc 486 {
elevatorguy 0:f86e6135dcbc 487 __ASM volatile ("cpsie f");
elevatorguy 0:f86e6135dcbc 488 }
elevatorguy 0:f86e6135dcbc 489
elevatorguy 0:f86e6135dcbc 490
elevatorguy 0:f86e6135dcbc 491 /** \brief Disable FIQ
elevatorguy 0:f86e6135dcbc 492
elevatorguy 0:f86e6135dcbc 493 This function disables FIQ interrupts by setting the F-bit in the CPSR.
elevatorguy 0:f86e6135dcbc 494 Can only be executed in Privileged modes.
elevatorguy 0:f86e6135dcbc 495 */
elevatorguy 0:f86e6135dcbc 496 __attribute__( ( always_inline ) ) static __INLINE void __disable_fault_irq(void)
elevatorguy 0:f86e6135dcbc 497 {
elevatorguy 0:f86e6135dcbc 498 __ASM volatile ("cpsid f");
elevatorguy 0:f86e6135dcbc 499 }
elevatorguy 0:f86e6135dcbc 500
elevatorguy 0:f86e6135dcbc 501
elevatorguy 0:f86e6135dcbc 502 /** \brief Get Base Priority
elevatorguy 0:f86e6135dcbc 503
elevatorguy 0:f86e6135dcbc 504 This function returns the current value of the Base Priority register.
elevatorguy 0:f86e6135dcbc 505
elevatorguy 0:f86e6135dcbc 506 \return Base Priority register value
elevatorguy 0:f86e6135dcbc 507 */
elevatorguy 0:f86e6135dcbc 508 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_BASEPRI(void)
elevatorguy 0:f86e6135dcbc 509 {
elevatorguy 0:f86e6135dcbc 510 uint32_t result;
elevatorguy 0:f86e6135dcbc 511
elevatorguy 0:f86e6135dcbc 512 __ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 513 return(result);
elevatorguy 0:f86e6135dcbc 514 }
elevatorguy 0:f86e6135dcbc 515
elevatorguy 0:f86e6135dcbc 516
elevatorguy 0:f86e6135dcbc 517 /** \brief Set Base Priority
elevatorguy 0:f86e6135dcbc 518
elevatorguy 0:f86e6135dcbc 519 This function assigns the given value to the Base Priority register.
elevatorguy 0:f86e6135dcbc 520
elevatorguy 0:f86e6135dcbc 521 \param [in] basePri Base Priority value to set
elevatorguy 0:f86e6135dcbc 522 */
elevatorguy 0:f86e6135dcbc 523 __attribute__( ( always_inline ) ) static __INLINE void __set_BASEPRI(uint32_t value)
elevatorguy 0:f86e6135dcbc 524 {
elevatorguy 0:f86e6135dcbc 525 __ASM volatile ("MSR basepri, %0" : : "r" (value) );
elevatorguy 0:f86e6135dcbc 526 }
elevatorguy 0:f86e6135dcbc 527
elevatorguy 0:f86e6135dcbc 528
elevatorguy 0:f86e6135dcbc 529 /** \brief Get Fault Mask
elevatorguy 0:f86e6135dcbc 530
elevatorguy 0:f86e6135dcbc 531 This function returns the current value of the Fault Mask register.
elevatorguy 0:f86e6135dcbc 532
elevatorguy 0:f86e6135dcbc 533 \return Fault Mask register value
elevatorguy 0:f86e6135dcbc 534 */
elevatorguy 0:f86e6135dcbc 535 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FAULTMASK(void)
elevatorguy 0:f86e6135dcbc 536 {
elevatorguy 0:f86e6135dcbc 537 uint32_t result;
elevatorguy 0:f86e6135dcbc 538
elevatorguy 0:f86e6135dcbc 539 __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 540 return(result);
elevatorguy 0:f86e6135dcbc 541 }
elevatorguy 0:f86e6135dcbc 542
elevatorguy 0:f86e6135dcbc 543
elevatorguy 0:f86e6135dcbc 544 /** \brief Set Fault Mask
elevatorguy 0:f86e6135dcbc 545
elevatorguy 0:f86e6135dcbc 546 This function assigns the given value to the Fault Mask register.
elevatorguy 0:f86e6135dcbc 547
elevatorguy 0:f86e6135dcbc 548 \param [in] faultMask Fault Mask value to set
elevatorguy 0:f86e6135dcbc 549 */
elevatorguy 0:f86e6135dcbc 550 __attribute__( ( always_inline ) ) static __INLINE void __set_FAULTMASK(uint32_t faultMask)
elevatorguy 0:f86e6135dcbc 551 {
elevatorguy 0:f86e6135dcbc 552 __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
elevatorguy 0:f86e6135dcbc 553 }
elevatorguy 0:f86e6135dcbc 554
elevatorguy 0:f86e6135dcbc 555 #endif /* (__CORTEX_M >= 0x03) */
elevatorguy 0:f86e6135dcbc 556
elevatorguy 0:f86e6135dcbc 557
elevatorguy 0:f86e6135dcbc 558 #if (__CORTEX_M == 0x04)
elevatorguy 0:f86e6135dcbc 559
elevatorguy 0:f86e6135dcbc 560 /** \brief Get FPSCR
elevatorguy 0:f86e6135dcbc 561
elevatorguy 0:f86e6135dcbc 562 This function returns the current value of the Floating Point Status/Control register.
elevatorguy 0:f86e6135dcbc 563
elevatorguy 0:f86e6135dcbc 564 \return Floating Point Status/Control register value
elevatorguy 0:f86e6135dcbc 565 */
elevatorguy 0:f86e6135dcbc 566 __attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FPSCR(void)
elevatorguy 0:f86e6135dcbc 567 {
elevatorguy 0:f86e6135dcbc 568 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
elevatorguy 0:f86e6135dcbc 569 uint32_t result;
elevatorguy 0:f86e6135dcbc 570
elevatorguy 0:f86e6135dcbc 571 __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
elevatorguy 0:f86e6135dcbc 572 return(result);
elevatorguy 0:f86e6135dcbc 573 #else
elevatorguy 0:f86e6135dcbc 574 return(0);
elevatorguy 0:f86e6135dcbc 575 #endif
elevatorguy 0:f86e6135dcbc 576 }
elevatorguy 0:f86e6135dcbc 577
elevatorguy 0:f86e6135dcbc 578
elevatorguy 0:f86e6135dcbc 579 /** \brief Set FPSCR
elevatorguy 0:f86e6135dcbc 580
elevatorguy 0:f86e6135dcbc 581 This function assigns the given value to the Floating Point Status/Control register.
elevatorguy 0:f86e6135dcbc 582
elevatorguy 0:f86e6135dcbc 583 \param [in] fpscr Floating Point Status/Control value to set
elevatorguy 0:f86e6135dcbc 584 */
elevatorguy 0:f86e6135dcbc 585 __attribute__( ( always_inline ) ) static __INLINE void __set_FPSCR(uint32_t fpscr)
elevatorguy 0:f86e6135dcbc 586 {
elevatorguy 0:f86e6135dcbc 587 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
elevatorguy 0:f86e6135dcbc 588 __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) );
elevatorguy 0:f86e6135dcbc 589 #endif
elevatorguy 0:f86e6135dcbc 590 }
elevatorguy 0:f86e6135dcbc 591
elevatorguy 0:f86e6135dcbc 592 #endif /* (__CORTEX_M == 0x04) */
elevatorguy 0:f86e6135dcbc 593
elevatorguy 0:f86e6135dcbc 594
elevatorguy 0:f86e6135dcbc 595 #elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
elevatorguy 0:f86e6135dcbc 596 /* TASKING carm specific functions */
elevatorguy 0:f86e6135dcbc 597
elevatorguy 0:f86e6135dcbc 598 /*
elevatorguy 0:f86e6135dcbc 599 * The CMSIS functions have been implemented as intrinsics in the compiler.
elevatorguy 0:f86e6135dcbc 600 * Please use "carm -?i" to get an up to date list of all instrinsics,
elevatorguy 0:f86e6135dcbc 601 * Including the CMSIS ones.
elevatorguy 0:f86e6135dcbc 602 */
elevatorguy 0:f86e6135dcbc 603
elevatorguy 0:f86e6135dcbc 604 #endif
elevatorguy 0:f86e6135dcbc 605
elevatorguy 0:f86e6135dcbc 606 /*@} end of CMSIS_Core_RegAccFunctions */
elevatorguy 0:f86e6135dcbc 607
elevatorguy 0:f86e6135dcbc 608
elevatorguy 0:f86e6135dcbc 609 #endif /* __CORE_CMFUNC_H */