PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)
Fork of PokittoLib by
mbed-pokitto/targets/cmsis/core_cmFunc.h@6:ea7377f3d1af, 2017-10-11 (annotated)
- Committer:
- Pokitto
- Date:
- Wed Oct 11 20:35:27 2017 +0000
- Revision:
- 6:ea7377f3d1af
Fixed PokittoLib. Includes a working custom mbed-src
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Pokitto | 6:ea7377f3d1af | 1 | /**************************************************************************//** |
Pokitto | 6:ea7377f3d1af | 2 | * @file core_cmFunc.h |
Pokitto | 6:ea7377f3d1af | 3 | * @brief CMSIS Cortex-M Core Function Access Header File |
Pokitto | 6:ea7377f3d1af | 4 | * @version V3.20 |
Pokitto | 6:ea7377f3d1af | 5 | * @date 25. February 2013 |
Pokitto | 6:ea7377f3d1af | 6 | * |
Pokitto | 6:ea7377f3d1af | 7 | * @note |
Pokitto | 6:ea7377f3d1af | 8 | * |
Pokitto | 6:ea7377f3d1af | 9 | ******************************************************************************/ |
Pokitto | 6:ea7377f3d1af | 10 | /* Copyright (c) 2009 - 2013 ARM LIMITED |
Pokitto | 6:ea7377f3d1af | 11 | |
Pokitto | 6:ea7377f3d1af | 12 | All rights reserved. |
Pokitto | 6:ea7377f3d1af | 13 | Redistribution and use in source and binary forms, with or without |
Pokitto | 6:ea7377f3d1af | 14 | modification, are permitted provided that the following conditions are met: |
Pokitto | 6:ea7377f3d1af | 15 | - Redistributions of source code must retain the above copyright |
Pokitto | 6:ea7377f3d1af | 16 | notice, this list of conditions and the following disclaimer. |
Pokitto | 6:ea7377f3d1af | 17 | - Redistributions in binary form must reproduce the above copyright |
Pokitto | 6:ea7377f3d1af | 18 | notice, this list of conditions and the following disclaimer in the |
Pokitto | 6:ea7377f3d1af | 19 | documentation and/or other materials provided with the distribution. |
Pokitto | 6:ea7377f3d1af | 20 | - Neither the name of ARM nor the names of its contributors may be used |
Pokitto | 6:ea7377f3d1af | 21 | to endorse or promote products derived from this software without |
Pokitto | 6:ea7377f3d1af | 22 | specific prior written permission. |
Pokitto | 6:ea7377f3d1af | 23 | * |
Pokitto | 6:ea7377f3d1af | 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
Pokitto | 6:ea7377f3d1af | 25 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
Pokitto | 6:ea7377f3d1af | 26 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
Pokitto | 6:ea7377f3d1af | 27 | ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
Pokitto | 6:ea7377f3d1af | 28 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
Pokitto | 6:ea7377f3d1af | 29 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
Pokitto | 6:ea7377f3d1af | 30 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
Pokitto | 6:ea7377f3d1af | 31 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
Pokitto | 6:ea7377f3d1af | 32 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
Pokitto | 6:ea7377f3d1af | 33 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
Pokitto | 6:ea7377f3d1af | 34 | POSSIBILITY OF SUCH DAMAGE. |
Pokitto | 6:ea7377f3d1af | 35 | ---------------------------------------------------------------------------*/ |
Pokitto | 6:ea7377f3d1af | 36 | |
Pokitto | 6:ea7377f3d1af | 37 | |
Pokitto | 6:ea7377f3d1af | 38 | #ifndef __CORE_CMFUNC_H |
Pokitto | 6:ea7377f3d1af | 39 | #define __CORE_CMFUNC_H |
Pokitto | 6:ea7377f3d1af | 40 | |
Pokitto | 6:ea7377f3d1af | 41 | |
Pokitto | 6:ea7377f3d1af | 42 | /* ########################### Core Function Access ########################### */ |
Pokitto | 6:ea7377f3d1af | 43 | /** \ingroup CMSIS_Core_FunctionInterface |
Pokitto | 6:ea7377f3d1af | 44 | \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions |
Pokitto | 6:ea7377f3d1af | 45 | @{ |
Pokitto | 6:ea7377f3d1af | 46 | */ |
Pokitto | 6:ea7377f3d1af | 47 | |
Pokitto | 6:ea7377f3d1af | 48 | #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ |
Pokitto | 6:ea7377f3d1af | 49 | /* ARM armcc specific functions */ |
Pokitto | 6:ea7377f3d1af | 50 | |
Pokitto | 6:ea7377f3d1af | 51 | #if (__ARMCC_VERSION < 400677) |
Pokitto | 6:ea7377f3d1af | 52 | #error "Please use ARM Compiler Toolchain V4.0.677 or later!" |
Pokitto | 6:ea7377f3d1af | 53 | #endif |
Pokitto | 6:ea7377f3d1af | 54 | |
Pokitto | 6:ea7377f3d1af | 55 | /* intrinsic void __enable_irq(); */ |
Pokitto | 6:ea7377f3d1af | 56 | /* intrinsic void __disable_irq(); */ |
Pokitto | 6:ea7377f3d1af | 57 | |
Pokitto | 6:ea7377f3d1af | 58 | /** \brief Get Control Register |
Pokitto | 6:ea7377f3d1af | 59 | |
Pokitto | 6:ea7377f3d1af | 60 | This function returns the content of the Control Register. |
Pokitto | 6:ea7377f3d1af | 61 | |
Pokitto | 6:ea7377f3d1af | 62 | \return Control Register value |
Pokitto | 6:ea7377f3d1af | 63 | */ |
Pokitto | 6:ea7377f3d1af | 64 | __STATIC_INLINE uint32_t __get_CONTROL(void) |
Pokitto | 6:ea7377f3d1af | 65 | { |
Pokitto | 6:ea7377f3d1af | 66 | register uint32_t __regControl __ASM("control"); |
Pokitto | 6:ea7377f3d1af | 67 | return(__regControl); |
Pokitto | 6:ea7377f3d1af | 68 | } |
Pokitto | 6:ea7377f3d1af | 69 | |
Pokitto | 6:ea7377f3d1af | 70 | |
Pokitto | 6:ea7377f3d1af | 71 | /** \brief Set Control Register |
Pokitto | 6:ea7377f3d1af | 72 | |
Pokitto | 6:ea7377f3d1af | 73 | This function writes the given value to the Control Register. |
Pokitto | 6:ea7377f3d1af | 74 | |
Pokitto | 6:ea7377f3d1af | 75 | \param [in] control Control Register value to set |
Pokitto | 6:ea7377f3d1af | 76 | */ |
Pokitto | 6:ea7377f3d1af | 77 | __STATIC_INLINE void __set_CONTROL(uint32_t control) |
Pokitto | 6:ea7377f3d1af | 78 | { |
Pokitto | 6:ea7377f3d1af | 79 | register uint32_t __regControl __ASM("control"); |
Pokitto | 6:ea7377f3d1af | 80 | __regControl = control; |
Pokitto | 6:ea7377f3d1af | 81 | } |
Pokitto | 6:ea7377f3d1af | 82 | |
Pokitto | 6:ea7377f3d1af | 83 | |
Pokitto | 6:ea7377f3d1af | 84 | /** \brief Get IPSR Register |
Pokitto | 6:ea7377f3d1af | 85 | |
Pokitto | 6:ea7377f3d1af | 86 | This function returns the content of the IPSR Register. |
Pokitto | 6:ea7377f3d1af | 87 | |
Pokitto | 6:ea7377f3d1af | 88 | \return IPSR Register value |
Pokitto | 6:ea7377f3d1af | 89 | */ |
Pokitto | 6:ea7377f3d1af | 90 | __STATIC_INLINE uint32_t __get_IPSR(void) |
Pokitto | 6:ea7377f3d1af | 91 | { |
Pokitto | 6:ea7377f3d1af | 92 | register uint32_t __regIPSR __ASM("ipsr"); |
Pokitto | 6:ea7377f3d1af | 93 | return(__regIPSR); |
Pokitto | 6:ea7377f3d1af | 94 | } |
Pokitto | 6:ea7377f3d1af | 95 | |
Pokitto | 6:ea7377f3d1af | 96 | |
Pokitto | 6:ea7377f3d1af | 97 | /** \brief Get APSR Register |
Pokitto | 6:ea7377f3d1af | 98 | |
Pokitto | 6:ea7377f3d1af | 99 | This function returns the content of the APSR Register. |
Pokitto | 6:ea7377f3d1af | 100 | |
Pokitto | 6:ea7377f3d1af | 101 | \return APSR Register value |
Pokitto | 6:ea7377f3d1af | 102 | */ |
Pokitto | 6:ea7377f3d1af | 103 | __STATIC_INLINE uint32_t __get_APSR(void) |
Pokitto | 6:ea7377f3d1af | 104 | { |
Pokitto | 6:ea7377f3d1af | 105 | register uint32_t __regAPSR __ASM("apsr"); |
Pokitto | 6:ea7377f3d1af | 106 | return(__regAPSR); |
Pokitto | 6:ea7377f3d1af | 107 | } |
Pokitto | 6:ea7377f3d1af | 108 | |
Pokitto | 6:ea7377f3d1af | 109 | |
Pokitto | 6:ea7377f3d1af | 110 | /** \brief Get xPSR Register |
Pokitto | 6:ea7377f3d1af | 111 | |
Pokitto | 6:ea7377f3d1af | 112 | This function returns the content of the xPSR Register. |
Pokitto | 6:ea7377f3d1af | 113 | |
Pokitto | 6:ea7377f3d1af | 114 | \return xPSR Register value |
Pokitto | 6:ea7377f3d1af | 115 | */ |
Pokitto | 6:ea7377f3d1af | 116 | __STATIC_INLINE uint32_t __get_xPSR(void) |
Pokitto | 6:ea7377f3d1af | 117 | { |
Pokitto | 6:ea7377f3d1af | 118 | register uint32_t __regXPSR __ASM("xpsr"); |
Pokitto | 6:ea7377f3d1af | 119 | return(__regXPSR); |
Pokitto | 6:ea7377f3d1af | 120 | } |
Pokitto | 6:ea7377f3d1af | 121 | |
Pokitto | 6:ea7377f3d1af | 122 | |
Pokitto | 6:ea7377f3d1af | 123 | /** \brief Get Process Stack Pointer |
Pokitto | 6:ea7377f3d1af | 124 | |
Pokitto | 6:ea7377f3d1af | 125 | This function returns the current value of the Process Stack Pointer (PSP). |
Pokitto | 6:ea7377f3d1af | 126 | |
Pokitto | 6:ea7377f3d1af | 127 | \return PSP Register value |
Pokitto | 6:ea7377f3d1af | 128 | */ |
Pokitto | 6:ea7377f3d1af | 129 | __STATIC_INLINE uint32_t __get_PSP(void) |
Pokitto | 6:ea7377f3d1af | 130 | { |
Pokitto | 6:ea7377f3d1af | 131 | register uint32_t __regProcessStackPointer __ASM("psp"); |
Pokitto | 6:ea7377f3d1af | 132 | return(__regProcessStackPointer); |
Pokitto | 6:ea7377f3d1af | 133 | } |
Pokitto | 6:ea7377f3d1af | 134 | |
Pokitto | 6:ea7377f3d1af | 135 | |
Pokitto | 6:ea7377f3d1af | 136 | /** \brief Set Process Stack Pointer |
Pokitto | 6:ea7377f3d1af | 137 | |
Pokitto | 6:ea7377f3d1af | 138 | This function assigns the given value to the Process Stack Pointer (PSP). |
Pokitto | 6:ea7377f3d1af | 139 | |
Pokitto | 6:ea7377f3d1af | 140 | \param [in] topOfProcStack Process Stack Pointer value to set |
Pokitto | 6:ea7377f3d1af | 141 | */ |
Pokitto | 6:ea7377f3d1af | 142 | __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) |
Pokitto | 6:ea7377f3d1af | 143 | { |
Pokitto | 6:ea7377f3d1af | 144 | register uint32_t __regProcessStackPointer __ASM("psp"); |
Pokitto | 6:ea7377f3d1af | 145 | __regProcessStackPointer = topOfProcStack; |
Pokitto | 6:ea7377f3d1af | 146 | } |
Pokitto | 6:ea7377f3d1af | 147 | |
Pokitto | 6:ea7377f3d1af | 148 | |
Pokitto | 6:ea7377f3d1af | 149 | /** \brief Get Main Stack Pointer |
Pokitto | 6:ea7377f3d1af | 150 | |
Pokitto | 6:ea7377f3d1af | 151 | This function returns the current value of the Main Stack Pointer (MSP). |
Pokitto | 6:ea7377f3d1af | 152 | |
Pokitto | 6:ea7377f3d1af | 153 | \return MSP Register value |
Pokitto | 6:ea7377f3d1af | 154 | */ |
Pokitto | 6:ea7377f3d1af | 155 | __STATIC_INLINE uint32_t __get_MSP(void) |
Pokitto | 6:ea7377f3d1af | 156 | { |
Pokitto | 6:ea7377f3d1af | 157 | register uint32_t __regMainStackPointer __ASM("msp"); |
Pokitto | 6:ea7377f3d1af | 158 | return(__regMainStackPointer); |
Pokitto | 6:ea7377f3d1af | 159 | } |
Pokitto | 6:ea7377f3d1af | 160 | |
Pokitto | 6:ea7377f3d1af | 161 | |
Pokitto | 6:ea7377f3d1af | 162 | /** \brief Set Main Stack Pointer |
Pokitto | 6:ea7377f3d1af | 163 | |
Pokitto | 6:ea7377f3d1af | 164 | This function assigns the given value to the Main Stack Pointer (MSP). |
Pokitto | 6:ea7377f3d1af | 165 | |
Pokitto | 6:ea7377f3d1af | 166 | \param [in] topOfMainStack Main Stack Pointer value to set |
Pokitto | 6:ea7377f3d1af | 167 | */ |
Pokitto | 6:ea7377f3d1af | 168 | __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) |
Pokitto | 6:ea7377f3d1af | 169 | { |
Pokitto | 6:ea7377f3d1af | 170 | register uint32_t __regMainStackPointer __ASM("msp"); |
Pokitto | 6:ea7377f3d1af | 171 | __regMainStackPointer = topOfMainStack; |
Pokitto | 6:ea7377f3d1af | 172 | } |
Pokitto | 6:ea7377f3d1af | 173 | |
Pokitto | 6:ea7377f3d1af | 174 | |
Pokitto | 6:ea7377f3d1af | 175 | /** \brief Get Priority Mask |
Pokitto | 6:ea7377f3d1af | 176 | |
Pokitto | 6:ea7377f3d1af | 177 | This function returns the current state of the priority mask bit from the Priority Mask Register. |
Pokitto | 6:ea7377f3d1af | 178 | |
Pokitto | 6:ea7377f3d1af | 179 | \return Priority Mask value |
Pokitto | 6:ea7377f3d1af | 180 | */ |
Pokitto | 6:ea7377f3d1af | 181 | __STATIC_INLINE uint32_t __get_PRIMASK(void) |
Pokitto | 6:ea7377f3d1af | 182 | { |
Pokitto | 6:ea7377f3d1af | 183 | register uint32_t __regPriMask __ASM("primask"); |
Pokitto | 6:ea7377f3d1af | 184 | return(__regPriMask); |
Pokitto | 6:ea7377f3d1af | 185 | } |
Pokitto | 6:ea7377f3d1af | 186 | |
Pokitto | 6:ea7377f3d1af | 187 | |
Pokitto | 6:ea7377f3d1af | 188 | /** \brief Set Priority Mask |
Pokitto | 6:ea7377f3d1af | 189 | |
Pokitto | 6:ea7377f3d1af | 190 | This function assigns the given value to the Priority Mask Register. |
Pokitto | 6:ea7377f3d1af | 191 | |
Pokitto | 6:ea7377f3d1af | 192 | \param [in] priMask Priority Mask |
Pokitto | 6:ea7377f3d1af | 193 | */ |
Pokitto | 6:ea7377f3d1af | 194 | __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) |
Pokitto | 6:ea7377f3d1af | 195 | { |
Pokitto | 6:ea7377f3d1af | 196 | register uint32_t __regPriMask __ASM("primask"); |
Pokitto | 6:ea7377f3d1af | 197 | __regPriMask = (priMask); |
Pokitto | 6:ea7377f3d1af | 198 | } |
Pokitto | 6:ea7377f3d1af | 199 | |
Pokitto | 6:ea7377f3d1af | 200 | |
Pokitto | 6:ea7377f3d1af | 201 | #if (__CORTEX_M >= 0x03) |
Pokitto | 6:ea7377f3d1af | 202 | |
Pokitto | 6:ea7377f3d1af | 203 | /** \brief Enable FIQ |
Pokitto | 6:ea7377f3d1af | 204 | |
Pokitto | 6:ea7377f3d1af | 205 | This function enables FIQ interrupts by clearing the F-bit in the CPSR. |
Pokitto | 6:ea7377f3d1af | 206 | Can only be executed in Privileged modes. |
Pokitto | 6:ea7377f3d1af | 207 | */ |
Pokitto | 6:ea7377f3d1af | 208 | #define __enable_fault_irq __enable_fiq |
Pokitto | 6:ea7377f3d1af | 209 | |
Pokitto | 6:ea7377f3d1af | 210 | |
Pokitto | 6:ea7377f3d1af | 211 | /** \brief Disable FIQ |
Pokitto | 6:ea7377f3d1af | 212 | |
Pokitto | 6:ea7377f3d1af | 213 | This function disables FIQ interrupts by setting the F-bit in the CPSR. |
Pokitto | 6:ea7377f3d1af | 214 | Can only be executed in Privileged modes. |
Pokitto | 6:ea7377f3d1af | 215 | */ |
Pokitto | 6:ea7377f3d1af | 216 | #define __disable_fault_irq __disable_fiq |
Pokitto | 6:ea7377f3d1af | 217 | |
Pokitto | 6:ea7377f3d1af | 218 | |
Pokitto | 6:ea7377f3d1af | 219 | /** \brief Get Base Priority |
Pokitto | 6:ea7377f3d1af | 220 | |
Pokitto | 6:ea7377f3d1af | 221 | This function returns the current value of the Base Priority register. |
Pokitto | 6:ea7377f3d1af | 222 | |
Pokitto | 6:ea7377f3d1af | 223 | \return Base Priority register value |
Pokitto | 6:ea7377f3d1af | 224 | */ |
Pokitto | 6:ea7377f3d1af | 225 | __STATIC_INLINE uint32_t __get_BASEPRI(void) |
Pokitto | 6:ea7377f3d1af | 226 | { |
Pokitto | 6:ea7377f3d1af | 227 | register uint32_t __regBasePri __ASM("basepri"); |
Pokitto | 6:ea7377f3d1af | 228 | return(__regBasePri); |
Pokitto | 6:ea7377f3d1af | 229 | } |
Pokitto | 6:ea7377f3d1af | 230 | |
Pokitto | 6:ea7377f3d1af | 231 | |
Pokitto | 6:ea7377f3d1af | 232 | /** \brief Set Base Priority |
Pokitto | 6:ea7377f3d1af | 233 | |
Pokitto | 6:ea7377f3d1af | 234 | This function assigns the given value to the Base Priority register. |
Pokitto | 6:ea7377f3d1af | 235 | |
Pokitto | 6:ea7377f3d1af | 236 | \param [in] basePri Base Priority value to set |
Pokitto | 6:ea7377f3d1af | 237 | */ |
Pokitto | 6:ea7377f3d1af | 238 | __STATIC_INLINE void __set_BASEPRI(uint32_t basePri) |
Pokitto | 6:ea7377f3d1af | 239 | { |
Pokitto | 6:ea7377f3d1af | 240 | register uint32_t __regBasePri __ASM("basepri"); |
Pokitto | 6:ea7377f3d1af | 241 | __regBasePri = (basePri & 0xff); |
Pokitto | 6:ea7377f3d1af | 242 | } |
Pokitto | 6:ea7377f3d1af | 243 | |
Pokitto | 6:ea7377f3d1af | 244 | |
Pokitto | 6:ea7377f3d1af | 245 | /** \brief Get Fault Mask |
Pokitto | 6:ea7377f3d1af | 246 | |
Pokitto | 6:ea7377f3d1af | 247 | This function returns the current value of the Fault Mask register. |
Pokitto | 6:ea7377f3d1af | 248 | |
Pokitto | 6:ea7377f3d1af | 249 | \return Fault Mask register value |
Pokitto | 6:ea7377f3d1af | 250 | */ |
Pokitto | 6:ea7377f3d1af | 251 | __STATIC_INLINE uint32_t __get_FAULTMASK(void) |
Pokitto | 6:ea7377f3d1af | 252 | { |
Pokitto | 6:ea7377f3d1af | 253 | register uint32_t __regFaultMask __ASM("faultmask"); |
Pokitto | 6:ea7377f3d1af | 254 | return(__regFaultMask); |
Pokitto | 6:ea7377f3d1af | 255 | } |
Pokitto | 6:ea7377f3d1af | 256 | |
Pokitto | 6:ea7377f3d1af | 257 | |
Pokitto | 6:ea7377f3d1af | 258 | /** \brief Set Fault Mask |
Pokitto | 6:ea7377f3d1af | 259 | |
Pokitto | 6:ea7377f3d1af | 260 | This function assigns the given value to the Fault Mask register. |
Pokitto | 6:ea7377f3d1af | 261 | |
Pokitto | 6:ea7377f3d1af | 262 | \param [in] faultMask Fault Mask value to set |
Pokitto | 6:ea7377f3d1af | 263 | */ |
Pokitto | 6:ea7377f3d1af | 264 | __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) |
Pokitto | 6:ea7377f3d1af | 265 | { |
Pokitto | 6:ea7377f3d1af | 266 | register uint32_t __regFaultMask __ASM("faultmask"); |
Pokitto | 6:ea7377f3d1af | 267 | __regFaultMask = (faultMask & (uint32_t)1); |
Pokitto | 6:ea7377f3d1af | 268 | } |
Pokitto | 6:ea7377f3d1af | 269 | |
Pokitto | 6:ea7377f3d1af | 270 | #endif /* (__CORTEX_M >= 0x03) */ |
Pokitto | 6:ea7377f3d1af | 271 | |
Pokitto | 6:ea7377f3d1af | 272 | |
Pokitto | 6:ea7377f3d1af | 273 | #if (__CORTEX_M == 0x04) |
Pokitto | 6:ea7377f3d1af | 274 | |
Pokitto | 6:ea7377f3d1af | 275 | /** \brief Get FPSCR |
Pokitto | 6:ea7377f3d1af | 276 | |
Pokitto | 6:ea7377f3d1af | 277 | This function returns the current value of the Floating Point Status/Control register. |
Pokitto | 6:ea7377f3d1af | 278 | |
Pokitto | 6:ea7377f3d1af | 279 | \return Floating Point Status/Control register value |
Pokitto | 6:ea7377f3d1af | 280 | */ |
Pokitto | 6:ea7377f3d1af | 281 | __STATIC_INLINE uint32_t __get_FPSCR(void) |
Pokitto | 6:ea7377f3d1af | 282 | { |
Pokitto | 6:ea7377f3d1af | 283 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
Pokitto | 6:ea7377f3d1af | 284 | register uint32_t __regfpscr __ASM("fpscr"); |
Pokitto | 6:ea7377f3d1af | 285 | return(__regfpscr); |
Pokitto | 6:ea7377f3d1af | 286 | #else |
Pokitto | 6:ea7377f3d1af | 287 | return(0); |
Pokitto | 6:ea7377f3d1af | 288 | #endif |
Pokitto | 6:ea7377f3d1af | 289 | } |
Pokitto | 6:ea7377f3d1af | 290 | |
Pokitto | 6:ea7377f3d1af | 291 | |
Pokitto | 6:ea7377f3d1af | 292 | /** \brief Set FPSCR |
Pokitto | 6:ea7377f3d1af | 293 | |
Pokitto | 6:ea7377f3d1af | 294 | This function assigns the given value to the Floating Point Status/Control register. |
Pokitto | 6:ea7377f3d1af | 295 | |
Pokitto | 6:ea7377f3d1af | 296 | \param [in] fpscr Floating Point Status/Control value to set |
Pokitto | 6:ea7377f3d1af | 297 | */ |
Pokitto | 6:ea7377f3d1af | 298 | __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) |
Pokitto | 6:ea7377f3d1af | 299 | { |
Pokitto | 6:ea7377f3d1af | 300 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
Pokitto | 6:ea7377f3d1af | 301 | register uint32_t __regfpscr __ASM("fpscr"); |
Pokitto | 6:ea7377f3d1af | 302 | __regfpscr = (fpscr); |
Pokitto | 6:ea7377f3d1af | 303 | #endif |
Pokitto | 6:ea7377f3d1af | 304 | } |
Pokitto | 6:ea7377f3d1af | 305 | |
Pokitto | 6:ea7377f3d1af | 306 | #endif /* (__CORTEX_M == 0x04) */ |
Pokitto | 6:ea7377f3d1af | 307 | |
Pokitto | 6:ea7377f3d1af | 308 | |
Pokitto | 6:ea7377f3d1af | 309 | #elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ |
Pokitto | 6:ea7377f3d1af | 310 | /* IAR iccarm specific functions */ |
Pokitto | 6:ea7377f3d1af | 311 | |
Pokitto | 6:ea7377f3d1af | 312 | #include <cmsis_iar.h> |
Pokitto | 6:ea7377f3d1af | 313 | |
Pokitto | 6:ea7377f3d1af | 314 | |
Pokitto | 6:ea7377f3d1af | 315 | #elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ |
Pokitto | 6:ea7377f3d1af | 316 | /* TI CCS specific functions */ |
Pokitto | 6:ea7377f3d1af | 317 | |
Pokitto | 6:ea7377f3d1af | 318 | #include <cmsis_ccs.h> |
Pokitto | 6:ea7377f3d1af | 319 | |
Pokitto | 6:ea7377f3d1af | 320 | |
Pokitto | 6:ea7377f3d1af | 321 | #elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ |
Pokitto | 6:ea7377f3d1af | 322 | /* GNU gcc specific functions */ |
Pokitto | 6:ea7377f3d1af | 323 | |
Pokitto | 6:ea7377f3d1af | 324 | /** \brief Enable IRQ Interrupts |
Pokitto | 6:ea7377f3d1af | 325 | |
Pokitto | 6:ea7377f3d1af | 326 | This function enables IRQ interrupts by clearing the I-bit in the CPSR. |
Pokitto | 6:ea7377f3d1af | 327 | Can only be executed in Privileged modes. |
Pokitto | 6:ea7377f3d1af | 328 | */ |
Pokitto | 6:ea7377f3d1af | 329 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void) |
Pokitto | 6:ea7377f3d1af | 330 | { |
Pokitto | 6:ea7377f3d1af | 331 | __ASM volatile ("cpsie i" : : : "memory"); |
Pokitto | 6:ea7377f3d1af | 332 | } |
Pokitto | 6:ea7377f3d1af | 333 | |
Pokitto | 6:ea7377f3d1af | 334 | |
Pokitto | 6:ea7377f3d1af | 335 | /** \brief Disable IRQ Interrupts |
Pokitto | 6:ea7377f3d1af | 336 | |
Pokitto | 6:ea7377f3d1af | 337 | This function disables IRQ interrupts by setting the I-bit in the CPSR. |
Pokitto | 6:ea7377f3d1af | 338 | Can only be executed in Privileged modes. |
Pokitto | 6:ea7377f3d1af | 339 | */ |
Pokitto | 6:ea7377f3d1af | 340 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void) |
Pokitto | 6:ea7377f3d1af | 341 | { |
Pokitto | 6:ea7377f3d1af | 342 | __ASM volatile ("cpsid i" : : : "memory"); |
Pokitto | 6:ea7377f3d1af | 343 | } |
Pokitto | 6:ea7377f3d1af | 344 | |
Pokitto | 6:ea7377f3d1af | 345 | |
Pokitto | 6:ea7377f3d1af | 346 | /** \brief Get Control Register |
Pokitto | 6:ea7377f3d1af | 347 | |
Pokitto | 6:ea7377f3d1af | 348 | This function returns the content of the Control Register. |
Pokitto | 6:ea7377f3d1af | 349 | |
Pokitto | 6:ea7377f3d1af | 350 | \return Control Register value |
Pokitto | 6:ea7377f3d1af | 351 | */ |
Pokitto | 6:ea7377f3d1af | 352 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void) |
Pokitto | 6:ea7377f3d1af | 353 | { |
Pokitto | 6:ea7377f3d1af | 354 | uint32_t result; |
Pokitto | 6:ea7377f3d1af | 355 | |
Pokitto | 6:ea7377f3d1af | 356 | __ASM volatile ("MRS %0, control" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 357 | return(result); |
Pokitto | 6:ea7377f3d1af | 358 | } |
Pokitto | 6:ea7377f3d1af | 359 | |
Pokitto | 6:ea7377f3d1af | 360 | |
Pokitto | 6:ea7377f3d1af | 361 | /** \brief Set Control Register |
Pokitto | 6:ea7377f3d1af | 362 | |
Pokitto | 6:ea7377f3d1af | 363 | This function writes the given value to the Control Register. |
Pokitto | 6:ea7377f3d1af | 364 | |
Pokitto | 6:ea7377f3d1af | 365 | \param [in] control Control Register value to set |
Pokitto | 6:ea7377f3d1af | 366 | */ |
Pokitto | 6:ea7377f3d1af | 367 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control) |
Pokitto | 6:ea7377f3d1af | 368 | { |
Pokitto | 6:ea7377f3d1af | 369 | __ASM volatile ("MSR control, %0" : : "r" (control) : "memory"); |
Pokitto | 6:ea7377f3d1af | 370 | } |
Pokitto | 6:ea7377f3d1af | 371 | |
Pokitto | 6:ea7377f3d1af | 372 | |
Pokitto | 6:ea7377f3d1af | 373 | /** \brief Get IPSR Register |
Pokitto | 6:ea7377f3d1af | 374 | |
Pokitto | 6:ea7377f3d1af | 375 | This function returns the content of the IPSR Register. |
Pokitto | 6:ea7377f3d1af | 376 | |
Pokitto | 6:ea7377f3d1af | 377 | \return IPSR Register value |
Pokitto | 6:ea7377f3d1af | 378 | */ |
Pokitto | 6:ea7377f3d1af | 379 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void) |
Pokitto | 6:ea7377f3d1af | 380 | { |
Pokitto | 6:ea7377f3d1af | 381 | uint32_t result; |
Pokitto | 6:ea7377f3d1af | 382 | |
Pokitto | 6:ea7377f3d1af | 383 | __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 384 | return(result); |
Pokitto | 6:ea7377f3d1af | 385 | } |
Pokitto | 6:ea7377f3d1af | 386 | |
Pokitto | 6:ea7377f3d1af | 387 | |
Pokitto | 6:ea7377f3d1af | 388 | /** \brief Get APSR Register |
Pokitto | 6:ea7377f3d1af | 389 | |
Pokitto | 6:ea7377f3d1af | 390 | This function returns the content of the APSR Register. |
Pokitto | 6:ea7377f3d1af | 391 | |
Pokitto | 6:ea7377f3d1af | 392 | \return APSR Register value |
Pokitto | 6:ea7377f3d1af | 393 | */ |
Pokitto | 6:ea7377f3d1af | 394 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void) |
Pokitto | 6:ea7377f3d1af | 395 | { |
Pokitto | 6:ea7377f3d1af | 396 | uint32_t result; |
Pokitto | 6:ea7377f3d1af | 397 | |
Pokitto | 6:ea7377f3d1af | 398 | __ASM volatile ("MRS %0, apsr" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 399 | return(result); |
Pokitto | 6:ea7377f3d1af | 400 | } |
Pokitto | 6:ea7377f3d1af | 401 | |
Pokitto | 6:ea7377f3d1af | 402 | |
Pokitto | 6:ea7377f3d1af | 403 | /** \brief Get xPSR Register |
Pokitto | 6:ea7377f3d1af | 404 | |
Pokitto | 6:ea7377f3d1af | 405 | This function returns the content of the xPSR Register. |
Pokitto | 6:ea7377f3d1af | 406 | |
Pokitto | 6:ea7377f3d1af | 407 | \return xPSR Register value |
Pokitto | 6:ea7377f3d1af | 408 | */ |
Pokitto | 6:ea7377f3d1af | 409 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void) |
Pokitto | 6:ea7377f3d1af | 410 | { |
Pokitto | 6:ea7377f3d1af | 411 | uint32_t result; |
Pokitto | 6:ea7377f3d1af | 412 | |
Pokitto | 6:ea7377f3d1af | 413 | __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 414 | return(result); |
Pokitto | 6:ea7377f3d1af | 415 | } |
Pokitto | 6:ea7377f3d1af | 416 | |
Pokitto | 6:ea7377f3d1af | 417 | |
Pokitto | 6:ea7377f3d1af | 418 | /** \brief Get Process Stack Pointer |
Pokitto | 6:ea7377f3d1af | 419 | |
Pokitto | 6:ea7377f3d1af | 420 | This function returns the current value of the Process Stack Pointer (PSP). |
Pokitto | 6:ea7377f3d1af | 421 | |
Pokitto | 6:ea7377f3d1af | 422 | \return PSP Register value |
Pokitto | 6:ea7377f3d1af | 423 | */ |
Pokitto | 6:ea7377f3d1af | 424 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void) |
Pokitto | 6:ea7377f3d1af | 425 | { |
Pokitto | 6:ea7377f3d1af | 426 | register uint32_t result; |
Pokitto | 6:ea7377f3d1af | 427 | |
Pokitto | 6:ea7377f3d1af | 428 | __ASM volatile ("MRS %0, psp\n" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 429 | return(result); |
Pokitto | 6:ea7377f3d1af | 430 | } |
Pokitto | 6:ea7377f3d1af | 431 | |
Pokitto | 6:ea7377f3d1af | 432 | |
Pokitto | 6:ea7377f3d1af | 433 | /** \brief Set Process Stack Pointer |
Pokitto | 6:ea7377f3d1af | 434 | |
Pokitto | 6:ea7377f3d1af | 435 | This function assigns the given value to the Process Stack Pointer (PSP). |
Pokitto | 6:ea7377f3d1af | 436 | |
Pokitto | 6:ea7377f3d1af | 437 | \param [in] topOfProcStack Process Stack Pointer value to set |
Pokitto | 6:ea7377f3d1af | 438 | */ |
Pokitto | 6:ea7377f3d1af | 439 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) |
Pokitto | 6:ea7377f3d1af | 440 | { |
Pokitto | 6:ea7377f3d1af | 441 | __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp"); |
Pokitto | 6:ea7377f3d1af | 442 | } |
Pokitto | 6:ea7377f3d1af | 443 | |
Pokitto | 6:ea7377f3d1af | 444 | |
Pokitto | 6:ea7377f3d1af | 445 | /** \brief Get Main Stack Pointer |
Pokitto | 6:ea7377f3d1af | 446 | |
Pokitto | 6:ea7377f3d1af | 447 | This function returns the current value of the Main Stack Pointer (MSP). |
Pokitto | 6:ea7377f3d1af | 448 | |
Pokitto | 6:ea7377f3d1af | 449 | \return MSP Register value |
Pokitto | 6:ea7377f3d1af | 450 | */ |
Pokitto | 6:ea7377f3d1af | 451 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void) |
Pokitto | 6:ea7377f3d1af | 452 | { |
Pokitto | 6:ea7377f3d1af | 453 | register uint32_t result; |
Pokitto | 6:ea7377f3d1af | 454 | |
Pokitto | 6:ea7377f3d1af | 455 | __ASM volatile ("MRS %0, msp\n" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 456 | return(result); |
Pokitto | 6:ea7377f3d1af | 457 | } |
Pokitto | 6:ea7377f3d1af | 458 | |
Pokitto | 6:ea7377f3d1af | 459 | |
Pokitto | 6:ea7377f3d1af | 460 | /** \brief Set Main Stack Pointer |
Pokitto | 6:ea7377f3d1af | 461 | |
Pokitto | 6:ea7377f3d1af | 462 | This function assigns the given value to the Main Stack Pointer (MSP). |
Pokitto | 6:ea7377f3d1af | 463 | |
Pokitto | 6:ea7377f3d1af | 464 | \param [in] topOfMainStack Main Stack Pointer value to set |
Pokitto | 6:ea7377f3d1af | 465 | */ |
Pokitto | 6:ea7377f3d1af | 466 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) |
Pokitto | 6:ea7377f3d1af | 467 | { |
Pokitto | 6:ea7377f3d1af | 468 | __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp"); |
Pokitto | 6:ea7377f3d1af | 469 | } |
Pokitto | 6:ea7377f3d1af | 470 | |
Pokitto | 6:ea7377f3d1af | 471 | |
Pokitto | 6:ea7377f3d1af | 472 | /** \brief Get Priority Mask |
Pokitto | 6:ea7377f3d1af | 473 | |
Pokitto | 6:ea7377f3d1af | 474 | This function returns the current state of the priority mask bit from the Priority Mask Register. |
Pokitto | 6:ea7377f3d1af | 475 | |
Pokitto | 6:ea7377f3d1af | 476 | \return Priority Mask value |
Pokitto | 6:ea7377f3d1af | 477 | */ |
Pokitto | 6:ea7377f3d1af | 478 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void) |
Pokitto | 6:ea7377f3d1af | 479 | { |
Pokitto | 6:ea7377f3d1af | 480 | uint32_t result; |
Pokitto | 6:ea7377f3d1af | 481 | |
Pokitto | 6:ea7377f3d1af | 482 | __ASM volatile ("MRS %0, primask" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 483 | return(result); |
Pokitto | 6:ea7377f3d1af | 484 | } |
Pokitto | 6:ea7377f3d1af | 485 | |
Pokitto | 6:ea7377f3d1af | 486 | |
Pokitto | 6:ea7377f3d1af | 487 | /** \brief Set Priority Mask |
Pokitto | 6:ea7377f3d1af | 488 | |
Pokitto | 6:ea7377f3d1af | 489 | This function assigns the given value to the Priority Mask Register. |
Pokitto | 6:ea7377f3d1af | 490 | |
Pokitto | 6:ea7377f3d1af | 491 | \param [in] priMask Priority Mask |
Pokitto | 6:ea7377f3d1af | 492 | */ |
Pokitto | 6:ea7377f3d1af | 493 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) |
Pokitto | 6:ea7377f3d1af | 494 | { |
Pokitto | 6:ea7377f3d1af | 495 | __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory"); |
Pokitto | 6:ea7377f3d1af | 496 | } |
Pokitto | 6:ea7377f3d1af | 497 | |
Pokitto | 6:ea7377f3d1af | 498 | |
Pokitto | 6:ea7377f3d1af | 499 | #if (__CORTEX_M >= 0x03) |
Pokitto | 6:ea7377f3d1af | 500 | |
Pokitto | 6:ea7377f3d1af | 501 | /** \brief Enable FIQ |
Pokitto | 6:ea7377f3d1af | 502 | |
Pokitto | 6:ea7377f3d1af | 503 | This function enables FIQ interrupts by clearing the F-bit in the CPSR. |
Pokitto | 6:ea7377f3d1af | 504 | Can only be executed in Privileged modes. |
Pokitto | 6:ea7377f3d1af | 505 | */ |
Pokitto | 6:ea7377f3d1af | 506 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void) |
Pokitto | 6:ea7377f3d1af | 507 | { |
Pokitto | 6:ea7377f3d1af | 508 | __ASM volatile ("cpsie f" : : : "memory"); |
Pokitto | 6:ea7377f3d1af | 509 | } |
Pokitto | 6:ea7377f3d1af | 510 | |
Pokitto | 6:ea7377f3d1af | 511 | |
Pokitto | 6:ea7377f3d1af | 512 | /** \brief Disable FIQ |
Pokitto | 6:ea7377f3d1af | 513 | |
Pokitto | 6:ea7377f3d1af | 514 | This function disables FIQ interrupts by setting the F-bit in the CPSR. |
Pokitto | 6:ea7377f3d1af | 515 | Can only be executed in Privileged modes. |
Pokitto | 6:ea7377f3d1af | 516 | */ |
Pokitto | 6:ea7377f3d1af | 517 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void) |
Pokitto | 6:ea7377f3d1af | 518 | { |
Pokitto | 6:ea7377f3d1af | 519 | __ASM volatile ("cpsid f" : : : "memory"); |
Pokitto | 6:ea7377f3d1af | 520 | } |
Pokitto | 6:ea7377f3d1af | 521 | |
Pokitto | 6:ea7377f3d1af | 522 | |
Pokitto | 6:ea7377f3d1af | 523 | /** \brief Get Base Priority |
Pokitto | 6:ea7377f3d1af | 524 | |
Pokitto | 6:ea7377f3d1af | 525 | This function returns the current value of the Base Priority register. |
Pokitto | 6:ea7377f3d1af | 526 | |
Pokitto | 6:ea7377f3d1af | 527 | \return Base Priority register value |
Pokitto | 6:ea7377f3d1af | 528 | */ |
Pokitto | 6:ea7377f3d1af | 529 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void) |
Pokitto | 6:ea7377f3d1af | 530 | { |
Pokitto | 6:ea7377f3d1af | 531 | uint32_t result; |
Pokitto | 6:ea7377f3d1af | 532 | |
Pokitto | 6:ea7377f3d1af | 533 | __ASM volatile ("MRS %0, basepri_max" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 534 | return(result); |
Pokitto | 6:ea7377f3d1af | 535 | } |
Pokitto | 6:ea7377f3d1af | 536 | |
Pokitto | 6:ea7377f3d1af | 537 | |
Pokitto | 6:ea7377f3d1af | 538 | /** \brief Set Base Priority |
Pokitto | 6:ea7377f3d1af | 539 | |
Pokitto | 6:ea7377f3d1af | 540 | This function assigns the given value to the Base Priority register. |
Pokitto | 6:ea7377f3d1af | 541 | |
Pokitto | 6:ea7377f3d1af | 542 | \param [in] basePri Base Priority value to set |
Pokitto | 6:ea7377f3d1af | 543 | */ |
Pokitto | 6:ea7377f3d1af | 544 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value) |
Pokitto | 6:ea7377f3d1af | 545 | { |
Pokitto | 6:ea7377f3d1af | 546 | __ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory"); |
Pokitto | 6:ea7377f3d1af | 547 | } |
Pokitto | 6:ea7377f3d1af | 548 | |
Pokitto | 6:ea7377f3d1af | 549 | |
Pokitto | 6:ea7377f3d1af | 550 | /** \brief Get Fault Mask |
Pokitto | 6:ea7377f3d1af | 551 | |
Pokitto | 6:ea7377f3d1af | 552 | This function returns the current value of the Fault Mask register. |
Pokitto | 6:ea7377f3d1af | 553 | |
Pokitto | 6:ea7377f3d1af | 554 | \return Fault Mask register value |
Pokitto | 6:ea7377f3d1af | 555 | */ |
Pokitto | 6:ea7377f3d1af | 556 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void) |
Pokitto | 6:ea7377f3d1af | 557 | { |
Pokitto | 6:ea7377f3d1af | 558 | uint32_t result; |
Pokitto | 6:ea7377f3d1af | 559 | |
Pokitto | 6:ea7377f3d1af | 560 | __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 561 | return(result); |
Pokitto | 6:ea7377f3d1af | 562 | } |
Pokitto | 6:ea7377f3d1af | 563 | |
Pokitto | 6:ea7377f3d1af | 564 | |
Pokitto | 6:ea7377f3d1af | 565 | /** \brief Set Fault Mask |
Pokitto | 6:ea7377f3d1af | 566 | |
Pokitto | 6:ea7377f3d1af | 567 | This function assigns the given value to the Fault Mask register. |
Pokitto | 6:ea7377f3d1af | 568 | |
Pokitto | 6:ea7377f3d1af | 569 | \param [in] faultMask Fault Mask value to set |
Pokitto | 6:ea7377f3d1af | 570 | */ |
Pokitto | 6:ea7377f3d1af | 571 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) |
Pokitto | 6:ea7377f3d1af | 572 | { |
Pokitto | 6:ea7377f3d1af | 573 | __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory"); |
Pokitto | 6:ea7377f3d1af | 574 | } |
Pokitto | 6:ea7377f3d1af | 575 | |
Pokitto | 6:ea7377f3d1af | 576 | #endif /* (__CORTEX_M >= 0x03) */ |
Pokitto | 6:ea7377f3d1af | 577 | |
Pokitto | 6:ea7377f3d1af | 578 | |
Pokitto | 6:ea7377f3d1af | 579 | #if (__CORTEX_M == 0x04) |
Pokitto | 6:ea7377f3d1af | 580 | |
Pokitto | 6:ea7377f3d1af | 581 | /** \brief Get FPSCR |
Pokitto | 6:ea7377f3d1af | 582 | |
Pokitto | 6:ea7377f3d1af | 583 | This function returns the current value of the Floating Point Status/Control register. |
Pokitto | 6:ea7377f3d1af | 584 | |
Pokitto | 6:ea7377f3d1af | 585 | \return Floating Point Status/Control register value |
Pokitto | 6:ea7377f3d1af | 586 | */ |
Pokitto | 6:ea7377f3d1af | 587 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void) |
Pokitto | 6:ea7377f3d1af | 588 | { |
Pokitto | 6:ea7377f3d1af | 589 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
Pokitto | 6:ea7377f3d1af | 590 | uint32_t result; |
Pokitto | 6:ea7377f3d1af | 591 | |
Pokitto | 6:ea7377f3d1af | 592 | /* Empty asm statement works as a scheduling barrier */ |
Pokitto | 6:ea7377f3d1af | 593 | __ASM volatile (""); |
Pokitto | 6:ea7377f3d1af | 594 | __ASM volatile ("VMRS %0, fpscr" : "=r" (result) ); |
Pokitto | 6:ea7377f3d1af | 595 | __ASM volatile (""); |
Pokitto | 6:ea7377f3d1af | 596 | return(result); |
Pokitto | 6:ea7377f3d1af | 597 | #else |
Pokitto | 6:ea7377f3d1af | 598 | return(0); |
Pokitto | 6:ea7377f3d1af | 599 | #endif |
Pokitto | 6:ea7377f3d1af | 600 | } |
Pokitto | 6:ea7377f3d1af | 601 | |
Pokitto | 6:ea7377f3d1af | 602 | |
Pokitto | 6:ea7377f3d1af | 603 | /** \brief Set FPSCR |
Pokitto | 6:ea7377f3d1af | 604 | |
Pokitto | 6:ea7377f3d1af | 605 | This function assigns the given value to the Floating Point Status/Control register. |
Pokitto | 6:ea7377f3d1af | 606 | |
Pokitto | 6:ea7377f3d1af | 607 | \param [in] fpscr Floating Point Status/Control value to set |
Pokitto | 6:ea7377f3d1af | 608 | */ |
Pokitto | 6:ea7377f3d1af | 609 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) |
Pokitto | 6:ea7377f3d1af | 610 | { |
Pokitto | 6:ea7377f3d1af | 611 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
Pokitto | 6:ea7377f3d1af | 612 | /* Empty asm statement works as a scheduling barrier */ |
Pokitto | 6:ea7377f3d1af | 613 | __ASM volatile (""); |
Pokitto | 6:ea7377f3d1af | 614 | __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc"); |
Pokitto | 6:ea7377f3d1af | 615 | __ASM volatile (""); |
Pokitto | 6:ea7377f3d1af | 616 | #endif |
Pokitto | 6:ea7377f3d1af | 617 | } |
Pokitto | 6:ea7377f3d1af | 618 | |
Pokitto | 6:ea7377f3d1af | 619 | #endif /* (__CORTEX_M == 0x04) */ |
Pokitto | 6:ea7377f3d1af | 620 | |
Pokitto | 6:ea7377f3d1af | 621 | |
Pokitto | 6:ea7377f3d1af | 622 | #elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/ |
Pokitto | 6:ea7377f3d1af | 623 | /* TASKING carm specific functions */ |
Pokitto | 6:ea7377f3d1af | 624 | |
Pokitto | 6:ea7377f3d1af | 625 | /* |
Pokitto | 6:ea7377f3d1af | 626 | * The CMSIS functions have been implemented as intrinsics in the compiler. |
Pokitto | 6:ea7377f3d1af | 627 | * Please use "carm -?i" to get an up to date list of all instrinsics, |
Pokitto | 6:ea7377f3d1af | 628 | * Including the CMSIS ones. |
Pokitto | 6:ea7377f3d1af | 629 | */ |
Pokitto | 6:ea7377f3d1af | 630 | |
Pokitto | 6:ea7377f3d1af | 631 | #endif |
Pokitto | 6:ea7377f3d1af | 632 | |
Pokitto | 6:ea7377f3d1af | 633 | /*@} end of CMSIS_Core_RegAccFunctions */ |
Pokitto | 6:ea7377f3d1af | 634 | |
Pokitto | 6:ea7377f3d1af | 635 | |
Pokitto | 6:ea7377f3d1af | 636 | #endif /* __CORE_CMFUNC_H */ |