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TARGET_NUCLEO_F746ZG/core_cmInstr.h@134:ad3be0349dc5, 2017-01-16 (annotated)
- Committer:
- <>
- Date:
- Mon Jan 16 12:05:23 2017 +0000
- Revision:
- 134:ad3be0349dc5
- Parent:
- 115:87f2f5183dfb
Release 134 of the mbed library
Ports for Upcoming Targets
Fixes and Changes
3488: Dev stm i2c v2 unitary functions https://github.com/ARMmbed/mbed-os/pull/3488
3492: Fix #3463 CAN read() return value https://github.com/ARMmbed/mbed-os/pull/3492
3503: [LPC15xx] Ensure that PWM=1 is resolved correctly https://github.com/ARMmbed/mbed-os/pull/3503
3504: [LPC15xx] CAN implementation improvements https://github.com/ARMmbed/mbed-os/pull/3504
3539: NUCLEO_F412ZG - Add support of TRNG peripheral https://github.com/ARMmbed/mbed-os/pull/3539
3540: STM: SPI: Initialize Rx in spi_master_write https://github.com/ARMmbed/mbed-os/pull/3540
3438: K64F: Add support for SERIAL ASYNCH API https://github.com/ARMmbed/mbed-os/pull/3438
3519: MCUXpresso: Fix ENET driver to enable interrupts after interrupt handler is set https://github.com/ARMmbed/mbed-os/pull/3519
3544: STM32L4 deepsleep improvement https://github.com/ARMmbed/mbed-os/pull/3544
3546: NUCLEO-F412ZG - Add CAN peripheral https://github.com/ARMmbed/mbed-os/pull/3546
3551: Fix I2C driver for RZ/A1H https://github.com/ARMmbed/mbed-os/pull/3551
3558: K64F UART Asynch API: Fix synchronization issue https://github.com/ARMmbed/mbed-os/pull/3558
3563: LPC4088 - Fix vector checksum https://github.com/ARMmbed/mbed-os/pull/3563
3567: Dev stm32 F0 v1.7.0 https://github.com/ARMmbed/mbed-os/pull/3567
3577: Fixes linking errors when building with debug profile https://github.com/ARMmbed/mbed-os/pull/3577
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Kojto | 115:87f2f5183dfb | 1 | /**************************************************************************//** |
Kojto | 115:87f2f5183dfb | 2 | * @file core_cmInstr.h |
Kojto | 115:87f2f5183dfb | 3 | * @brief CMSIS Cortex-M Core Instruction Access Header File |
Kojto | 115:87f2f5183dfb | 4 | * @version V4.10 |
Kojto | 115:87f2f5183dfb | 5 | * @date 18. March 2015 |
Kojto | 115:87f2f5183dfb | 6 | * |
Kojto | 115:87f2f5183dfb | 7 | * @note |
Kojto | 115:87f2f5183dfb | 8 | * |
Kojto | 115:87f2f5183dfb | 9 | ******************************************************************************/ |
Kojto | 115:87f2f5183dfb | 10 | /* Copyright (c) 2009 - 2014 ARM LIMITED |
Kojto | 115:87f2f5183dfb | 11 | |
Kojto | 115:87f2f5183dfb | 12 | All rights reserved. |
Kojto | 115:87f2f5183dfb | 13 | Redistribution and use in source and binary forms, with or without |
Kojto | 115:87f2f5183dfb | 14 | modification, are permitted provided that the following conditions are met: |
Kojto | 115:87f2f5183dfb | 15 | - Redistributions of source code must retain the above copyright |
Kojto | 115:87f2f5183dfb | 16 | notice, this list of conditions and the following disclaimer. |
Kojto | 115:87f2f5183dfb | 17 | - Redistributions in binary form must reproduce the above copyright |
Kojto | 115:87f2f5183dfb | 18 | notice, this list of conditions and the following disclaimer in the |
Kojto | 115:87f2f5183dfb | 19 | documentation and/or other materials provided with the distribution. |
Kojto | 115:87f2f5183dfb | 20 | - Neither the name of ARM nor the names of its contributors may be used |
Kojto | 115:87f2f5183dfb | 21 | to endorse or promote products derived from this software without |
Kojto | 115:87f2f5183dfb | 22 | specific prior written permission. |
Kojto | 115:87f2f5183dfb | 23 | * |
Kojto | 115:87f2f5183dfb | 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
Kojto | 115:87f2f5183dfb | 25 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
Kojto | 115:87f2f5183dfb | 26 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
Kojto | 115:87f2f5183dfb | 27 | ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
Kojto | 115:87f2f5183dfb | 28 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
Kojto | 115:87f2f5183dfb | 29 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
Kojto | 115:87f2f5183dfb | 30 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
Kojto | 115:87f2f5183dfb | 31 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
Kojto | 115:87f2f5183dfb | 32 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
Kojto | 115:87f2f5183dfb | 33 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
Kojto | 115:87f2f5183dfb | 34 | POSSIBILITY OF SUCH DAMAGE. |
Kojto | 115:87f2f5183dfb | 35 | ---------------------------------------------------------------------------*/ |
Kojto | 115:87f2f5183dfb | 36 | |
Kojto | 115:87f2f5183dfb | 37 | |
Kojto | 115:87f2f5183dfb | 38 | #ifndef __CORE_CMINSTR_H |
Kojto | 115:87f2f5183dfb | 39 | #define __CORE_CMINSTR_H |
Kojto | 115:87f2f5183dfb | 40 | |
Kojto | 115:87f2f5183dfb | 41 | |
Kojto | 115:87f2f5183dfb | 42 | /* ########################## Core Instruction Access ######################### */ |
Kojto | 115:87f2f5183dfb | 43 | /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface |
Kojto | 115:87f2f5183dfb | 44 | Access to dedicated instructions |
Kojto | 115:87f2f5183dfb | 45 | @{ |
Kojto | 115:87f2f5183dfb | 46 | */ |
Kojto | 115:87f2f5183dfb | 47 | |
Kojto | 115:87f2f5183dfb | 48 | #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ |
Kojto | 115:87f2f5183dfb | 49 | /* ARM armcc specific functions */ |
Kojto | 115:87f2f5183dfb | 50 | |
Kojto | 115:87f2f5183dfb | 51 | #if (__ARMCC_VERSION < 400677) |
Kojto | 115:87f2f5183dfb | 52 | #error "Please use ARM Compiler Toolchain V4.0.677 or later!" |
Kojto | 115:87f2f5183dfb | 53 | #endif |
Kojto | 115:87f2f5183dfb | 54 | |
Kojto | 115:87f2f5183dfb | 55 | |
Kojto | 115:87f2f5183dfb | 56 | /** \brief No Operation |
Kojto | 115:87f2f5183dfb | 57 | |
Kojto | 115:87f2f5183dfb | 58 | No Operation does nothing. This instruction can be used for code alignment purposes. |
Kojto | 115:87f2f5183dfb | 59 | */ |
Kojto | 115:87f2f5183dfb | 60 | #define __NOP __nop |
Kojto | 115:87f2f5183dfb | 61 | |
Kojto | 115:87f2f5183dfb | 62 | |
Kojto | 115:87f2f5183dfb | 63 | /** \brief Wait For Interrupt |
Kojto | 115:87f2f5183dfb | 64 | |
Kojto | 115:87f2f5183dfb | 65 | Wait For Interrupt is a hint instruction that suspends execution |
Kojto | 115:87f2f5183dfb | 66 | until one of a number of events occurs. |
Kojto | 115:87f2f5183dfb | 67 | */ |
Kojto | 115:87f2f5183dfb | 68 | #define __WFI __wfi |
Kojto | 115:87f2f5183dfb | 69 | |
Kojto | 115:87f2f5183dfb | 70 | |
Kojto | 115:87f2f5183dfb | 71 | /** \brief Wait For Event |
Kojto | 115:87f2f5183dfb | 72 | |
Kojto | 115:87f2f5183dfb | 73 | Wait For Event is a hint instruction that permits the processor to enter |
Kojto | 115:87f2f5183dfb | 74 | a low-power state until one of a number of events occurs. |
Kojto | 115:87f2f5183dfb | 75 | */ |
Kojto | 115:87f2f5183dfb | 76 | #define __WFE __wfe |
Kojto | 115:87f2f5183dfb | 77 | |
Kojto | 115:87f2f5183dfb | 78 | |
Kojto | 115:87f2f5183dfb | 79 | /** \brief Send Event |
Kojto | 115:87f2f5183dfb | 80 | |
Kojto | 115:87f2f5183dfb | 81 | Send Event is a hint instruction. It causes an event to be signaled to the CPU. |
Kojto | 115:87f2f5183dfb | 82 | */ |
Kojto | 115:87f2f5183dfb | 83 | #define __SEV __sev |
Kojto | 115:87f2f5183dfb | 84 | |
Kojto | 115:87f2f5183dfb | 85 | |
Kojto | 115:87f2f5183dfb | 86 | /** \brief Instruction Synchronization Barrier |
Kojto | 115:87f2f5183dfb | 87 | |
Kojto | 115:87f2f5183dfb | 88 | Instruction Synchronization Barrier flushes the pipeline in the processor, |
Kojto | 115:87f2f5183dfb | 89 | so that all instructions following the ISB are fetched from cache or |
Kojto | 115:87f2f5183dfb | 90 | memory, after the instruction has been completed. |
Kojto | 115:87f2f5183dfb | 91 | */ |
Kojto | 115:87f2f5183dfb | 92 | #define __ISB() do {\ |
Kojto | 115:87f2f5183dfb | 93 | __schedule_barrier();\ |
Kojto | 115:87f2f5183dfb | 94 | __isb(0xF);\ |
Kojto | 115:87f2f5183dfb | 95 | __schedule_barrier();\ |
Kojto | 115:87f2f5183dfb | 96 | } while (0) |
Kojto | 115:87f2f5183dfb | 97 | |
Kojto | 115:87f2f5183dfb | 98 | /** \brief Data Synchronization Barrier |
Kojto | 115:87f2f5183dfb | 99 | |
Kojto | 115:87f2f5183dfb | 100 | This function acts as a special kind of Data Memory Barrier. |
Kojto | 115:87f2f5183dfb | 101 | It completes when all explicit memory accesses before this instruction complete. |
Kojto | 115:87f2f5183dfb | 102 | */ |
Kojto | 115:87f2f5183dfb | 103 | #define __DSB() do {\ |
Kojto | 115:87f2f5183dfb | 104 | __schedule_barrier();\ |
Kojto | 115:87f2f5183dfb | 105 | __dsb(0xF);\ |
Kojto | 115:87f2f5183dfb | 106 | __schedule_barrier();\ |
Kojto | 115:87f2f5183dfb | 107 | } while (0) |
Kojto | 115:87f2f5183dfb | 108 | |
Kojto | 115:87f2f5183dfb | 109 | /** \brief Data Memory Barrier |
Kojto | 115:87f2f5183dfb | 110 | |
Kojto | 115:87f2f5183dfb | 111 | This function ensures the apparent order of the explicit memory operations before |
Kojto | 115:87f2f5183dfb | 112 | and after the instruction, without ensuring their completion. |
Kojto | 115:87f2f5183dfb | 113 | */ |
Kojto | 115:87f2f5183dfb | 114 | #define __DMB() do {\ |
Kojto | 115:87f2f5183dfb | 115 | __schedule_barrier();\ |
Kojto | 115:87f2f5183dfb | 116 | __dmb(0xF);\ |
Kojto | 115:87f2f5183dfb | 117 | __schedule_barrier();\ |
Kojto | 115:87f2f5183dfb | 118 | } while (0) |
Kojto | 115:87f2f5183dfb | 119 | |
Kojto | 115:87f2f5183dfb | 120 | /** \brief Reverse byte order (32 bit) |
Kojto | 115:87f2f5183dfb | 121 | |
Kojto | 115:87f2f5183dfb | 122 | This function reverses the byte order in integer value. |
Kojto | 115:87f2f5183dfb | 123 | |
Kojto | 115:87f2f5183dfb | 124 | \param [in] value Value to reverse |
Kojto | 115:87f2f5183dfb | 125 | \return Reversed value |
Kojto | 115:87f2f5183dfb | 126 | */ |
Kojto | 115:87f2f5183dfb | 127 | #define __REV __rev |
Kojto | 115:87f2f5183dfb | 128 | |
Kojto | 115:87f2f5183dfb | 129 | |
Kojto | 115:87f2f5183dfb | 130 | /** \brief Reverse byte order (16 bit) |
Kojto | 115:87f2f5183dfb | 131 | |
Kojto | 115:87f2f5183dfb | 132 | This function reverses the byte order in two unsigned short values. |
Kojto | 115:87f2f5183dfb | 133 | |
Kojto | 115:87f2f5183dfb | 134 | \param [in] value Value to reverse |
Kojto | 115:87f2f5183dfb | 135 | \return Reversed value |
Kojto | 115:87f2f5183dfb | 136 | */ |
Kojto | 115:87f2f5183dfb | 137 | #ifndef __NO_EMBEDDED_ASM |
Kojto | 115:87f2f5183dfb | 138 | __attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value) |
Kojto | 115:87f2f5183dfb | 139 | { |
Kojto | 115:87f2f5183dfb | 140 | rev16 r0, r0 |
Kojto | 115:87f2f5183dfb | 141 | bx lr |
Kojto | 115:87f2f5183dfb | 142 | } |
Kojto | 115:87f2f5183dfb | 143 | #endif |
Kojto | 115:87f2f5183dfb | 144 | |
Kojto | 115:87f2f5183dfb | 145 | /** \brief Reverse byte order in signed short value |
Kojto | 115:87f2f5183dfb | 146 | |
Kojto | 115:87f2f5183dfb | 147 | This function reverses the byte order in a signed short value with sign extension to integer. |
Kojto | 115:87f2f5183dfb | 148 | |
Kojto | 115:87f2f5183dfb | 149 | \param [in] value Value to reverse |
Kojto | 115:87f2f5183dfb | 150 | \return Reversed value |
Kojto | 115:87f2f5183dfb | 151 | */ |
Kojto | 115:87f2f5183dfb | 152 | #ifndef __NO_EMBEDDED_ASM |
Kojto | 115:87f2f5183dfb | 153 | __attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value) |
Kojto | 115:87f2f5183dfb | 154 | { |
Kojto | 115:87f2f5183dfb | 155 | revsh r0, r0 |
Kojto | 115:87f2f5183dfb | 156 | bx lr |
Kojto | 115:87f2f5183dfb | 157 | } |
Kojto | 115:87f2f5183dfb | 158 | #endif |
Kojto | 115:87f2f5183dfb | 159 | |
Kojto | 115:87f2f5183dfb | 160 | |
Kojto | 115:87f2f5183dfb | 161 | /** \brief Rotate Right in unsigned value (32 bit) |
Kojto | 115:87f2f5183dfb | 162 | |
Kojto | 115:87f2f5183dfb | 163 | This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. |
Kojto | 115:87f2f5183dfb | 164 | |
Kojto | 115:87f2f5183dfb | 165 | \param [in] value Value to rotate |
Kojto | 115:87f2f5183dfb | 166 | \param [in] value Number of Bits to rotate |
Kojto | 115:87f2f5183dfb | 167 | \return Rotated value |
Kojto | 115:87f2f5183dfb | 168 | */ |
Kojto | 115:87f2f5183dfb | 169 | #define __ROR __ror |
Kojto | 115:87f2f5183dfb | 170 | |
Kojto | 115:87f2f5183dfb | 171 | |
Kojto | 115:87f2f5183dfb | 172 | /** \brief Breakpoint |
Kojto | 115:87f2f5183dfb | 173 | |
Kojto | 115:87f2f5183dfb | 174 | This function causes the processor to enter Debug state. |
Kojto | 115:87f2f5183dfb | 175 | Debug tools can use this to investigate system state when the instruction at a particular address is reached. |
Kojto | 115:87f2f5183dfb | 176 | |
Kojto | 115:87f2f5183dfb | 177 | \param [in] value is ignored by the processor. |
Kojto | 115:87f2f5183dfb | 178 | If required, a debugger can use it to store additional information about the breakpoint. |
Kojto | 115:87f2f5183dfb | 179 | */ |
Kojto | 115:87f2f5183dfb | 180 | #define __BKPT(value) __breakpoint(value) |
Kojto | 115:87f2f5183dfb | 181 | |
Kojto | 115:87f2f5183dfb | 182 | |
Kojto | 115:87f2f5183dfb | 183 | /** \brief Reverse bit order of value |
Kojto | 115:87f2f5183dfb | 184 | |
Kojto | 115:87f2f5183dfb | 185 | This function reverses the bit order of the given value. |
Kojto | 115:87f2f5183dfb | 186 | |
Kojto | 115:87f2f5183dfb | 187 | \param [in] value Value to reverse |
Kojto | 115:87f2f5183dfb | 188 | \return Reversed value |
Kojto | 115:87f2f5183dfb | 189 | */ |
Kojto | 115:87f2f5183dfb | 190 | #if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) |
Kojto | 115:87f2f5183dfb | 191 | #define __RBIT __rbit |
Kojto | 115:87f2f5183dfb | 192 | #else |
Kojto | 115:87f2f5183dfb | 193 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) |
Kojto | 115:87f2f5183dfb | 194 | { |
Kojto | 115:87f2f5183dfb | 195 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 196 | int32_t s = 4 /*sizeof(v)*/ * 8 - 1; // extra shift needed at end |
Kojto | 115:87f2f5183dfb | 197 | |
Kojto | 115:87f2f5183dfb | 198 | result = value; // r will be reversed bits of v; first get LSB of v |
Kojto | 115:87f2f5183dfb | 199 | for (value >>= 1; value; value >>= 1) |
Kojto | 115:87f2f5183dfb | 200 | { |
Kojto | 115:87f2f5183dfb | 201 | result <<= 1; |
Kojto | 115:87f2f5183dfb | 202 | result |= value & 1; |
Kojto | 115:87f2f5183dfb | 203 | s--; |
Kojto | 115:87f2f5183dfb | 204 | } |
Kojto | 115:87f2f5183dfb | 205 | result <<= s; // shift when v's highest bits are zero |
Kojto | 115:87f2f5183dfb | 206 | return(result); |
Kojto | 115:87f2f5183dfb | 207 | } |
Kojto | 115:87f2f5183dfb | 208 | #endif |
Kojto | 115:87f2f5183dfb | 209 | |
Kojto | 115:87f2f5183dfb | 210 | |
Kojto | 115:87f2f5183dfb | 211 | /** \brief Count leading zeros |
Kojto | 115:87f2f5183dfb | 212 | |
Kojto | 115:87f2f5183dfb | 213 | This function counts the number of leading zeros of a data value. |
Kojto | 115:87f2f5183dfb | 214 | |
Kojto | 115:87f2f5183dfb | 215 | \param [in] value Value to count the leading zeros |
Kojto | 115:87f2f5183dfb | 216 | \return number of leading zeros in value |
Kojto | 115:87f2f5183dfb | 217 | */ |
Kojto | 115:87f2f5183dfb | 218 | #define __CLZ __clz |
Kojto | 115:87f2f5183dfb | 219 | |
Kojto | 115:87f2f5183dfb | 220 | |
Kojto | 115:87f2f5183dfb | 221 | #if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) |
Kojto | 115:87f2f5183dfb | 222 | |
Kojto | 115:87f2f5183dfb | 223 | /** \brief LDR Exclusive (8 bit) |
Kojto | 115:87f2f5183dfb | 224 | |
Kojto | 115:87f2f5183dfb | 225 | This function executes a exclusive LDR instruction for 8 bit value. |
Kojto | 115:87f2f5183dfb | 226 | |
Kojto | 115:87f2f5183dfb | 227 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 228 | \return value of type uint8_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 229 | */ |
Kojto | 115:87f2f5183dfb | 230 | #define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr)) |
Kojto | 115:87f2f5183dfb | 231 | |
Kojto | 115:87f2f5183dfb | 232 | |
Kojto | 115:87f2f5183dfb | 233 | /** \brief LDR Exclusive (16 bit) |
Kojto | 115:87f2f5183dfb | 234 | |
Kojto | 115:87f2f5183dfb | 235 | This function executes a exclusive LDR instruction for 16 bit values. |
Kojto | 115:87f2f5183dfb | 236 | |
Kojto | 115:87f2f5183dfb | 237 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 238 | \return value of type uint16_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 239 | */ |
Kojto | 115:87f2f5183dfb | 240 | #define __LDREXH(ptr) ((uint16_t) __ldrex(ptr)) |
Kojto | 115:87f2f5183dfb | 241 | |
Kojto | 115:87f2f5183dfb | 242 | |
Kojto | 115:87f2f5183dfb | 243 | /** \brief LDR Exclusive (32 bit) |
Kojto | 115:87f2f5183dfb | 244 | |
Kojto | 115:87f2f5183dfb | 245 | This function executes a exclusive LDR instruction for 32 bit values. |
Kojto | 115:87f2f5183dfb | 246 | |
Kojto | 115:87f2f5183dfb | 247 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 248 | \return value of type uint32_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 249 | */ |
Kojto | 115:87f2f5183dfb | 250 | #define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr)) |
Kojto | 115:87f2f5183dfb | 251 | |
Kojto | 115:87f2f5183dfb | 252 | |
Kojto | 115:87f2f5183dfb | 253 | /** \brief STR Exclusive (8 bit) |
Kojto | 115:87f2f5183dfb | 254 | |
Kojto | 115:87f2f5183dfb | 255 | This function executes a exclusive STR instruction for 8 bit values. |
Kojto | 115:87f2f5183dfb | 256 | |
Kojto | 115:87f2f5183dfb | 257 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 258 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 259 | \return 0 Function succeeded |
Kojto | 115:87f2f5183dfb | 260 | \return 1 Function failed |
Kojto | 115:87f2f5183dfb | 261 | */ |
Kojto | 115:87f2f5183dfb | 262 | #define __STREXB(value, ptr) __strex(value, ptr) |
Kojto | 115:87f2f5183dfb | 263 | |
Kojto | 115:87f2f5183dfb | 264 | |
Kojto | 115:87f2f5183dfb | 265 | /** \brief STR Exclusive (16 bit) |
Kojto | 115:87f2f5183dfb | 266 | |
Kojto | 115:87f2f5183dfb | 267 | This function executes a exclusive STR instruction for 16 bit values. |
Kojto | 115:87f2f5183dfb | 268 | |
Kojto | 115:87f2f5183dfb | 269 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 270 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 271 | \return 0 Function succeeded |
Kojto | 115:87f2f5183dfb | 272 | \return 1 Function failed |
Kojto | 115:87f2f5183dfb | 273 | */ |
Kojto | 115:87f2f5183dfb | 274 | #define __STREXH(value, ptr) __strex(value, ptr) |
Kojto | 115:87f2f5183dfb | 275 | |
Kojto | 115:87f2f5183dfb | 276 | |
Kojto | 115:87f2f5183dfb | 277 | /** \brief STR Exclusive (32 bit) |
Kojto | 115:87f2f5183dfb | 278 | |
Kojto | 115:87f2f5183dfb | 279 | This function executes a exclusive STR instruction for 32 bit values. |
Kojto | 115:87f2f5183dfb | 280 | |
Kojto | 115:87f2f5183dfb | 281 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 282 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 283 | \return 0 Function succeeded |
Kojto | 115:87f2f5183dfb | 284 | \return 1 Function failed |
Kojto | 115:87f2f5183dfb | 285 | */ |
Kojto | 115:87f2f5183dfb | 286 | #define __STREXW(value, ptr) __strex(value, ptr) |
Kojto | 115:87f2f5183dfb | 287 | |
Kojto | 115:87f2f5183dfb | 288 | |
Kojto | 115:87f2f5183dfb | 289 | /** \brief Remove the exclusive lock |
Kojto | 115:87f2f5183dfb | 290 | |
Kojto | 115:87f2f5183dfb | 291 | This function removes the exclusive lock which is created by LDREX. |
Kojto | 115:87f2f5183dfb | 292 | |
Kojto | 115:87f2f5183dfb | 293 | */ |
Kojto | 115:87f2f5183dfb | 294 | #define __CLREX __clrex |
Kojto | 115:87f2f5183dfb | 295 | |
Kojto | 115:87f2f5183dfb | 296 | |
Kojto | 115:87f2f5183dfb | 297 | /** \brief Signed Saturate |
Kojto | 115:87f2f5183dfb | 298 | |
Kojto | 115:87f2f5183dfb | 299 | This function saturates a signed value. |
Kojto | 115:87f2f5183dfb | 300 | |
Kojto | 115:87f2f5183dfb | 301 | \param [in] value Value to be saturated |
Kojto | 115:87f2f5183dfb | 302 | \param [in] sat Bit position to saturate to (1..32) |
Kojto | 115:87f2f5183dfb | 303 | \return Saturated value |
Kojto | 115:87f2f5183dfb | 304 | */ |
Kojto | 115:87f2f5183dfb | 305 | #define __SSAT __ssat |
Kojto | 115:87f2f5183dfb | 306 | |
Kojto | 115:87f2f5183dfb | 307 | |
Kojto | 115:87f2f5183dfb | 308 | /** \brief Unsigned Saturate |
Kojto | 115:87f2f5183dfb | 309 | |
Kojto | 115:87f2f5183dfb | 310 | This function saturates an unsigned value. |
Kojto | 115:87f2f5183dfb | 311 | |
Kojto | 115:87f2f5183dfb | 312 | \param [in] value Value to be saturated |
Kojto | 115:87f2f5183dfb | 313 | \param [in] sat Bit position to saturate to (0..31) |
Kojto | 115:87f2f5183dfb | 314 | \return Saturated value |
Kojto | 115:87f2f5183dfb | 315 | */ |
Kojto | 115:87f2f5183dfb | 316 | #define __USAT __usat |
Kojto | 115:87f2f5183dfb | 317 | |
Kojto | 115:87f2f5183dfb | 318 | |
Kojto | 115:87f2f5183dfb | 319 | /** \brief Rotate Right with Extend (32 bit) |
Kojto | 115:87f2f5183dfb | 320 | |
Kojto | 115:87f2f5183dfb | 321 | This function moves each bit of a bitstring right by one bit. |
Kojto | 115:87f2f5183dfb | 322 | The carry input is shifted in at the left end of the bitstring. |
Kojto | 115:87f2f5183dfb | 323 | |
Kojto | 115:87f2f5183dfb | 324 | \param [in] value Value to rotate |
Kojto | 115:87f2f5183dfb | 325 | \return Rotated value |
Kojto | 115:87f2f5183dfb | 326 | */ |
Kojto | 115:87f2f5183dfb | 327 | #ifndef __NO_EMBEDDED_ASM |
Kojto | 115:87f2f5183dfb | 328 | __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value) |
Kojto | 115:87f2f5183dfb | 329 | { |
Kojto | 115:87f2f5183dfb | 330 | rrx r0, r0 |
Kojto | 115:87f2f5183dfb | 331 | bx lr |
Kojto | 115:87f2f5183dfb | 332 | } |
Kojto | 115:87f2f5183dfb | 333 | #endif |
Kojto | 115:87f2f5183dfb | 334 | |
Kojto | 115:87f2f5183dfb | 335 | |
Kojto | 115:87f2f5183dfb | 336 | /** \brief LDRT Unprivileged (8 bit) |
Kojto | 115:87f2f5183dfb | 337 | |
Kojto | 115:87f2f5183dfb | 338 | This function executes a Unprivileged LDRT instruction for 8 bit value. |
Kojto | 115:87f2f5183dfb | 339 | |
Kojto | 115:87f2f5183dfb | 340 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 341 | \return value of type uint8_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 342 | */ |
Kojto | 115:87f2f5183dfb | 343 | #define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr)) |
Kojto | 115:87f2f5183dfb | 344 | |
Kojto | 115:87f2f5183dfb | 345 | |
Kojto | 115:87f2f5183dfb | 346 | /** \brief LDRT Unprivileged (16 bit) |
Kojto | 115:87f2f5183dfb | 347 | |
Kojto | 115:87f2f5183dfb | 348 | This function executes a Unprivileged LDRT instruction for 16 bit values. |
Kojto | 115:87f2f5183dfb | 349 | |
Kojto | 115:87f2f5183dfb | 350 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 351 | \return value of type uint16_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 352 | */ |
Kojto | 115:87f2f5183dfb | 353 | #define __LDRHT(ptr) ((uint16_t) __ldrt(ptr)) |
Kojto | 115:87f2f5183dfb | 354 | |
Kojto | 115:87f2f5183dfb | 355 | |
Kojto | 115:87f2f5183dfb | 356 | /** \brief LDRT Unprivileged (32 bit) |
Kojto | 115:87f2f5183dfb | 357 | |
Kojto | 115:87f2f5183dfb | 358 | This function executes a Unprivileged LDRT instruction for 32 bit values. |
Kojto | 115:87f2f5183dfb | 359 | |
Kojto | 115:87f2f5183dfb | 360 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 361 | \return value of type uint32_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 362 | */ |
Kojto | 115:87f2f5183dfb | 363 | #define __LDRT(ptr) ((uint32_t ) __ldrt(ptr)) |
Kojto | 115:87f2f5183dfb | 364 | |
Kojto | 115:87f2f5183dfb | 365 | |
Kojto | 115:87f2f5183dfb | 366 | /** \brief STRT Unprivileged (8 bit) |
Kojto | 115:87f2f5183dfb | 367 | |
Kojto | 115:87f2f5183dfb | 368 | This function executes a Unprivileged STRT instruction for 8 bit values. |
Kojto | 115:87f2f5183dfb | 369 | |
Kojto | 115:87f2f5183dfb | 370 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 371 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 372 | */ |
Kojto | 115:87f2f5183dfb | 373 | #define __STRBT(value, ptr) __strt(value, ptr) |
Kojto | 115:87f2f5183dfb | 374 | |
Kojto | 115:87f2f5183dfb | 375 | |
Kojto | 115:87f2f5183dfb | 376 | /** \brief STRT Unprivileged (16 bit) |
Kojto | 115:87f2f5183dfb | 377 | |
Kojto | 115:87f2f5183dfb | 378 | This function executes a Unprivileged STRT instruction for 16 bit values. |
Kojto | 115:87f2f5183dfb | 379 | |
Kojto | 115:87f2f5183dfb | 380 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 381 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 382 | */ |
Kojto | 115:87f2f5183dfb | 383 | #define __STRHT(value, ptr) __strt(value, ptr) |
Kojto | 115:87f2f5183dfb | 384 | |
Kojto | 115:87f2f5183dfb | 385 | |
Kojto | 115:87f2f5183dfb | 386 | /** \brief STRT Unprivileged (32 bit) |
Kojto | 115:87f2f5183dfb | 387 | |
Kojto | 115:87f2f5183dfb | 388 | This function executes a Unprivileged STRT instruction for 32 bit values. |
Kojto | 115:87f2f5183dfb | 389 | |
Kojto | 115:87f2f5183dfb | 390 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 391 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 392 | */ |
Kojto | 115:87f2f5183dfb | 393 | #define __STRT(value, ptr) __strt(value, ptr) |
Kojto | 115:87f2f5183dfb | 394 | |
Kojto | 115:87f2f5183dfb | 395 | #endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */ |
Kojto | 115:87f2f5183dfb | 396 | |
Kojto | 115:87f2f5183dfb | 397 | |
Kojto | 115:87f2f5183dfb | 398 | #elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ |
Kojto | 115:87f2f5183dfb | 399 | /* GNU gcc specific functions */ |
Kojto | 115:87f2f5183dfb | 400 | |
Kojto | 115:87f2f5183dfb | 401 | /* Define macros for porting to both thumb1 and thumb2. |
Kojto | 115:87f2f5183dfb | 402 | * For thumb1, use low register (r0-r7), specified by constrant "l" |
Kojto | 115:87f2f5183dfb | 403 | * Otherwise, use general registers, specified by constrant "r" */ |
Kojto | 115:87f2f5183dfb | 404 | #if defined (__thumb__) && !defined (__thumb2__) |
Kojto | 115:87f2f5183dfb | 405 | #define __CMSIS_GCC_OUT_REG(r) "=l" (r) |
Kojto | 115:87f2f5183dfb | 406 | #define __CMSIS_GCC_USE_REG(r) "l" (r) |
Kojto | 115:87f2f5183dfb | 407 | #else |
Kojto | 115:87f2f5183dfb | 408 | #define __CMSIS_GCC_OUT_REG(r) "=r" (r) |
Kojto | 115:87f2f5183dfb | 409 | #define __CMSIS_GCC_USE_REG(r) "r" (r) |
Kojto | 115:87f2f5183dfb | 410 | #endif |
Kojto | 115:87f2f5183dfb | 411 | |
Kojto | 115:87f2f5183dfb | 412 | /** \brief No Operation |
Kojto | 115:87f2f5183dfb | 413 | |
Kojto | 115:87f2f5183dfb | 414 | No Operation does nothing. This instruction can be used for code alignment purposes. |
Kojto | 115:87f2f5183dfb | 415 | */ |
Kojto | 115:87f2f5183dfb | 416 | __attribute__((always_inline)) __STATIC_INLINE void __NOP(void) |
Kojto | 115:87f2f5183dfb | 417 | { |
Kojto | 115:87f2f5183dfb | 418 | __ASM volatile ("nop"); |
Kojto | 115:87f2f5183dfb | 419 | } |
Kojto | 115:87f2f5183dfb | 420 | |
Kojto | 115:87f2f5183dfb | 421 | |
Kojto | 115:87f2f5183dfb | 422 | /** \brief Wait For Interrupt |
Kojto | 115:87f2f5183dfb | 423 | |
Kojto | 115:87f2f5183dfb | 424 | Wait For Interrupt is a hint instruction that suspends execution |
Kojto | 115:87f2f5183dfb | 425 | until one of a number of events occurs. |
Kojto | 115:87f2f5183dfb | 426 | */ |
Kojto | 115:87f2f5183dfb | 427 | __attribute__((always_inline)) __STATIC_INLINE void __WFI(void) |
Kojto | 115:87f2f5183dfb | 428 | { |
Kojto | 115:87f2f5183dfb | 429 | __ASM volatile ("wfi"); |
Kojto | 115:87f2f5183dfb | 430 | } |
Kojto | 115:87f2f5183dfb | 431 | |
Kojto | 115:87f2f5183dfb | 432 | |
Kojto | 115:87f2f5183dfb | 433 | /** \brief Wait For Event |
Kojto | 115:87f2f5183dfb | 434 | |
Kojto | 115:87f2f5183dfb | 435 | Wait For Event is a hint instruction that permits the processor to enter |
Kojto | 115:87f2f5183dfb | 436 | a low-power state until one of a number of events occurs. |
Kojto | 115:87f2f5183dfb | 437 | */ |
Kojto | 115:87f2f5183dfb | 438 | __attribute__((always_inline)) __STATIC_INLINE void __WFE(void) |
Kojto | 115:87f2f5183dfb | 439 | { |
Kojto | 115:87f2f5183dfb | 440 | __ASM volatile ("wfe"); |
Kojto | 115:87f2f5183dfb | 441 | } |
Kojto | 115:87f2f5183dfb | 442 | |
Kojto | 115:87f2f5183dfb | 443 | |
Kojto | 115:87f2f5183dfb | 444 | /** \brief Send Event |
Kojto | 115:87f2f5183dfb | 445 | |
Kojto | 115:87f2f5183dfb | 446 | Send Event is a hint instruction. It causes an event to be signaled to the CPU. |
Kojto | 115:87f2f5183dfb | 447 | */ |
Kojto | 115:87f2f5183dfb | 448 | __attribute__((always_inline)) __STATIC_INLINE void __SEV(void) |
Kojto | 115:87f2f5183dfb | 449 | { |
Kojto | 115:87f2f5183dfb | 450 | __ASM volatile ("sev"); |
Kojto | 115:87f2f5183dfb | 451 | } |
Kojto | 115:87f2f5183dfb | 452 | |
Kojto | 115:87f2f5183dfb | 453 | |
Kojto | 115:87f2f5183dfb | 454 | /** \brief Instruction Synchronization Barrier |
Kojto | 115:87f2f5183dfb | 455 | |
Kojto | 115:87f2f5183dfb | 456 | Instruction Synchronization Barrier flushes the pipeline in the processor, |
Kojto | 115:87f2f5183dfb | 457 | so that all instructions following the ISB are fetched from cache or |
Kojto | 115:87f2f5183dfb | 458 | memory, after the instruction has been completed. |
Kojto | 115:87f2f5183dfb | 459 | */ |
Kojto | 115:87f2f5183dfb | 460 | __attribute__((always_inline)) __STATIC_INLINE void __ISB(void) |
Kojto | 115:87f2f5183dfb | 461 | { |
Kojto | 115:87f2f5183dfb | 462 | __ASM volatile ("isb 0xF":::"memory"); |
Kojto | 115:87f2f5183dfb | 463 | } |
Kojto | 115:87f2f5183dfb | 464 | |
Kojto | 115:87f2f5183dfb | 465 | |
Kojto | 115:87f2f5183dfb | 466 | /** \brief Data Synchronization Barrier |
Kojto | 115:87f2f5183dfb | 467 | |
Kojto | 115:87f2f5183dfb | 468 | This function acts as a special kind of Data Memory Barrier. |
Kojto | 115:87f2f5183dfb | 469 | It completes when all explicit memory accesses before this instruction complete. |
Kojto | 115:87f2f5183dfb | 470 | */ |
Kojto | 115:87f2f5183dfb | 471 | __attribute__((always_inline)) __STATIC_INLINE void __DSB(void) |
Kojto | 115:87f2f5183dfb | 472 | { |
Kojto | 115:87f2f5183dfb | 473 | __ASM volatile ("dsb 0xF":::"memory"); |
Kojto | 115:87f2f5183dfb | 474 | } |
Kojto | 115:87f2f5183dfb | 475 | |
Kojto | 115:87f2f5183dfb | 476 | |
Kojto | 115:87f2f5183dfb | 477 | /** \brief Data Memory Barrier |
Kojto | 115:87f2f5183dfb | 478 | |
Kojto | 115:87f2f5183dfb | 479 | This function ensures the apparent order of the explicit memory operations before |
Kojto | 115:87f2f5183dfb | 480 | and after the instruction, without ensuring their completion. |
Kojto | 115:87f2f5183dfb | 481 | */ |
Kojto | 115:87f2f5183dfb | 482 | __attribute__((always_inline)) __STATIC_INLINE void __DMB(void) |
Kojto | 115:87f2f5183dfb | 483 | { |
Kojto | 115:87f2f5183dfb | 484 | __ASM volatile ("dmb 0xF":::"memory"); |
Kojto | 115:87f2f5183dfb | 485 | } |
Kojto | 115:87f2f5183dfb | 486 | |
Kojto | 115:87f2f5183dfb | 487 | |
Kojto | 115:87f2f5183dfb | 488 | /** \brief Reverse byte order (32 bit) |
Kojto | 115:87f2f5183dfb | 489 | |
Kojto | 115:87f2f5183dfb | 490 | This function reverses the byte order in integer value. |
Kojto | 115:87f2f5183dfb | 491 | |
Kojto | 115:87f2f5183dfb | 492 | \param [in] value Value to reverse |
Kojto | 115:87f2f5183dfb | 493 | \return Reversed value |
Kojto | 115:87f2f5183dfb | 494 | */ |
Kojto | 115:87f2f5183dfb | 495 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __REV(uint32_t value) |
Kojto | 115:87f2f5183dfb | 496 | { |
Kojto | 115:87f2f5183dfb | 497 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) |
Kojto | 115:87f2f5183dfb | 498 | return __builtin_bswap32(value); |
Kojto | 115:87f2f5183dfb | 499 | #else |
Kojto | 115:87f2f5183dfb | 500 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 501 | |
Kojto | 115:87f2f5183dfb | 502 | __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
Kojto | 115:87f2f5183dfb | 503 | return(result); |
Kojto | 115:87f2f5183dfb | 504 | #endif |
Kojto | 115:87f2f5183dfb | 505 | } |
Kojto | 115:87f2f5183dfb | 506 | |
Kojto | 115:87f2f5183dfb | 507 | |
Kojto | 115:87f2f5183dfb | 508 | /** \brief Reverse byte order (16 bit) |
Kojto | 115:87f2f5183dfb | 509 | |
Kojto | 115:87f2f5183dfb | 510 | This function reverses the byte order in two unsigned short values. |
Kojto | 115:87f2f5183dfb | 511 | |
Kojto | 115:87f2f5183dfb | 512 | \param [in] value Value to reverse |
Kojto | 115:87f2f5183dfb | 513 | \return Reversed value |
Kojto | 115:87f2f5183dfb | 514 | */ |
Kojto | 115:87f2f5183dfb | 515 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t value) |
Kojto | 115:87f2f5183dfb | 516 | { |
Kojto | 115:87f2f5183dfb | 517 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 518 | |
Kojto | 115:87f2f5183dfb | 519 | __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
Kojto | 115:87f2f5183dfb | 520 | return(result); |
Kojto | 115:87f2f5183dfb | 521 | } |
Kojto | 115:87f2f5183dfb | 522 | |
Kojto | 115:87f2f5183dfb | 523 | |
Kojto | 115:87f2f5183dfb | 524 | /** \brief Reverse byte order in signed short value |
Kojto | 115:87f2f5183dfb | 525 | |
Kojto | 115:87f2f5183dfb | 526 | This function reverses the byte order in a signed short value with sign extension to integer. |
Kojto | 115:87f2f5183dfb | 527 | |
Kojto | 115:87f2f5183dfb | 528 | \param [in] value Value to reverse |
Kojto | 115:87f2f5183dfb | 529 | \return Reversed value |
Kojto | 115:87f2f5183dfb | 530 | */ |
Kojto | 115:87f2f5183dfb | 531 | __attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t value) |
Kojto | 115:87f2f5183dfb | 532 | { |
Kojto | 115:87f2f5183dfb | 533 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
Kojto | 115:87f2f5183dfb | 534 | return (short)__builtin_bswap16(value); |
Kojto | 115:87f2f5183dfb | 535 | #else |
Kojto | 115:87f2f5183dfb | 536 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 537 | |
Kojto | 115:87f2f5183dfb | 538 | __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
Kojto | 115:87f2f5183dfb | 539 | return(result); |
Kojto | 115:87f2f5183dfb | 540 | #endif |
Kojto | 115:87f2f5183dfb | 541 | } |
Kojto | 115:87f2f5183dfb | 542 | |
Kojto | 115:87f2f5183dfb | 543 | |
Kojto | 115:87f2f5183dfb | 544 | /** \brief Rotate Right in unsigned value (32 bit) |
Kojto | 115:87f2f5183dfb | 545 | |
Kojto | 115:87f2f5183dfb | 546 | This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. |
Kojto | 115:87f2f5183dfb | 547 | |
Kojto | 115:87f2f5183dfb | 548 | \param [in] value Value to rotate |
Kojto | 115:87f2f5183dfb | 549 | \param [in] value Number of Bits to rotate |
Kojto | 115:87f2f5183dfb | 550 | \return Rotated value |
Kojto | 115:87f2f5183dfb | 551 | */ |
Kojto | 115:87f2f5183dfb | 552 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2) |
Kojto | 115:87f2f5183dfb | 553 | { |
Kojto | 115:87f2f5183dfb | 554 | return (op1 >> op2) | (op1 << (32 - op2)); |
Kojto | 115:87f2f5183dfb | 555 | } |
Kojto | 115:87f2f5183dfb | 556 | |
Kojto | 115:87f2f5183dfb | 557 | |
Kojto | 115:87f2f5183dfb | 558 | /** \brief Breakpoint |
Kojto | 115:87f2f5183dfb | 559 | |
Kojto | 115:87f2f5183dfb | 560 | This function causes the processor to enter Debug state. |
Kojto | 115:87f2f5183dfb | 561 | Debug tools can use this to investigate system state when the instruction at a particular address is reached. |
Kojto | 115:87f2f5183dfb | 562 | |
Kojto | 115:87f2f5183dfb | 563 | \param [in] value is ignored by the processor. |
Kojto | 115:87f2f5183dfb | 564 | If required, a debugger can use it to store additional information about the breakpoint. |
Kojto | 115:87f2f5183dfb | 565 | */ |
Kojto | 115:87f2f5183dfb | 566 | #define __BKPT(value) __ASM volatile ("bkpt "#value) |
Kojto | 115:87f2f5183dfb | 567 | |
Kojto | 115:87f2f5183dfb | 568 | |
Kojto | 115:87f2f5183dfb | 569 | /** \brief Reverse bit order of value |
Kojto | 115:87f2f5183dfb | 570 | |
Kojto | 115:87f2f5183dfb | 571 | This function reverses the bit order of the given value. |
Kojto | 115:87f2f5183dfb | 572 | |
Kojto | 115:87f2f5183dfb | 573 | \param [in] value Value to reverse |
Kojto | 115:87f2f5183dfb | 574 | \return Reversed value |
Kojto | 115:87f2f5183dfb | 575 | */ |
Kojto | 115:87f2f5183dfb | 576 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) |
Kojto | 115:87f2f5183dfb | 577 | { |
Kojto | 115:87f2f5183dfb | 578 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 579 | |
Kojto | 115:87f2f5183dfb | 580 | #if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) |
Kojto | 115:87f2f5183dfb | 581 | __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) ); |
Kojto | 115:87f2f5183dfb | 582 | #else |
Kojto | 115:87f2f5183dfb | 583 | int32_t s = 4 /*sizeof(v)*/ * 8 - 1; // extra shift needed at end |
Kojto | 115:87f2f5183dfb | 584 | |
Kojto | 115:87f2f5183dfb | 585 | result = value; // r will be reversed bits of v; first get LSB of v |
Kojto | 115:87f2f5183dfb | 586 | for (value >>= 1; value; value >>= 1) |
Kojto | 115:87f2f5183dfb | 587 | { |
Kojto | 115:87f2f5183dfb | 588 | result <<= 1; |
Kojto | 115:87f2f5183dfb | 589 | result |= value & 1; |
Kojto | 115:87f2f5183dfb | 590 | s--; |
Kojto | 115:87f2f5183dfb | 591 | } |
Kojto | 115:87f2f5183dfb | 592 | result <<= s; // shift when v's highest bits are zero |
Kojto | 115:87f2f5183dfb | 593 | #endif |
Kojto | 115:87f2f5183dfb | 594 | return(result); |
Kojto | 115:87f2f5183dfb | 595 | } |
Kojto | 115:87f2f5183dfb | 596 | |
Kojto | 115:87f2f5183dfb | 597 | |
Kojto | 115:87f2f5183dfb | 598 | /** \brief Count leading zeros |
Kojto | 115:87f2f5183dfb | 599 | |
Kojto | 115:87f2f5183dfb | 600 | This function counts the number of leading zeros of a data value. |
Kojto | 115:87f2f5183dfb | 601 | |
Kojto | 115:87f2f5183dfb | 602 | \param [in] value Value to count the leading zeros |
Kojto | 115:87f2f5183dfb | 603 | \return number of leading zeros in value |
Kojto | 115:87f2f5183dfb | 604 | */ |
Kojto | 115:87f2f5183dfb | 605 | #define __CLZ __builtin_clz |
Kojto | 115:87f2f5183dfb | 606 | |
Kojto | 115:87f2f5183dfb | 607 | |
Kojto | 115:87f2f5183dfb | 608 | #if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) |
Kojto | 115:87f2f5183dfb | 609 | |
Kojto | 115:87f2f5183dfb | 610 | /** \brief LDR Exclusive (8 bit) |
Kojto | 115:87f2f5183dfb | 611 | |
Kojto | 115:87f2f5183dfb | 612 | This function executes a exclusive LDR instruction for 8 bit value. |
Kojto | 115:87f2f5183dfb | 613 | |
Kojto | 115:87f2f5183dfb | 614 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 615 | \return value of type uint8_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 616 | */ |
Kojto | 115:87f2f5183dfb | 617 | __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr) |
Kojto | 115:87f2f5183dfb | 618 | { |
Kojto | 115:87f2f5183dfb | 619 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 620 | |
Kojto | 115:87f2f5183dfb | 621 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
Kojto | 115:87f2f5183dfb | 622 | __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) ); |
Kojto | 115:87f2f5183dfb | 623 | #else |
Kojto | 115:87f2f5183dfb | 624 | /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not |
Kojto | 115:87f2f5183dfb | 625 | accepted by assembler. So has to use following less efficient pattern. |
Kojto | 115:87f2f5183dfb | 626 | */ |
Kojto | 115:87f2f5183dfb | 627 | __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); |
Kojto | 115:87f2f5183dfb | 628 | #endif |
Kojto | 115:87f2f5183dfb | 629 | return ((uint8_t) result); /* Add explicit type cast here */ |
Kojto | 115:87f2f5183dfb | 630 | } |
Kojto | 115:87f2f5183dfb | 631 | |
Kojto | 115:87f2f5183dfb | 632 | |
Kojto | 115:87f2f5183dfb | 633 | /** \brief LDR Exclusive (16 bit) |
Kojto | 115:87f2f5183dfb | 634 | |
Kojto | 115:87f2f5183dfb | 635 | This function executes a exclusive LDR instruction for 16 bit values. |
Kojto | 115:87f2f5183dfb | 636 | |
Kojto | 115:87f2f5183dfb | 637 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 638 | \return value of type uint16_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 639 | */ |
Kojto | 115:87f2f5183dfb | 640 | __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr) |
Kojto | 115:87f2f5183dfb | 641 | { |
Kojto | 115:87f2f5183dfb | 642 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 643 | |
Kojto | 115:87f2f5183dfb | 644 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
Kojto | 115:87f2f5183dfb | 645 | __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) ); |
Kojto | 115:87f2f5183dfb | 646 | #else |
Kojto | 115:87f2f5183dfb | 647 | /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not |
Kojto | 115:87f2f5183dfb | 648 | accepted by assembler. So has to use following less efficient pattern. |
Kojto | 115:87f2f5183dfb | 649 | */ |
Kojto | 115:87f2f5183dfb | 650 | __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); |
Kojto | 115:87f2f5183dfb | 651 | #endif |
Kojto | 115:87f2f5183dfb | 652 | return ((uint16_t) result); /* Add explicit type cast here */ |
Kojto | 115:87f2f5183dfb | 653 | } |
Kojto | 115:87f2f5183dfb | 654 | |
Kojto | 115:87f2f5183dfb | 655 | |
Kojto | 115:87f2f5183dfb | 656 | /** \brief LDR Exclusive (32 bit) |
Kojto | 115:87f2f5183dfb | 657 | |
Kojto | 115:87f2f5183dfb | 658 | This function executes a exclusive LDR instruction for 32 bit values. |
Kojto | 115:87f2f5183dfb | 659 | |
Kojto | 115:87f2f5183dfb | 660 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 661 | \return value of type uint32_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 662 | */ |
Kojto | 115:87f2f5183dfb | 663 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr) |
Kojto | 115:87f2f5183dfb | 664 | { |
Kojto | 115:87f2f5183dfb | 665 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 666 | |
Kojto | 115:87f2f5183dfb | 667 | __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) ); |
Kojto | 115:87f2f5183dfb | 668 | return(result); |
Kojto | 115:87f2f5183dfb | 669 | } |
Kojto | 115:87f2f5183dfb | 670 | |
Kojto | 115:87f2f5183dfb | 671 | |
Kojto | 115:87f2f5183dfb | 672 | /** \brief STR Exclusive (8 bit) |
Kojto | 115:87f2f5183dfb | 673 | |
Kojto | 115:87f2f5183dfb | 674 | This function executes a exclusive STR instruction for 8 bit values. |
Kojto | 115:87f2f5183dfb | 675 | |
Kojto | 115:87f2f5183dfb | 676 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 677 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 678 | \return 0 Function succeeded |
Kojto | 115:87f2f5183dfb | 679 | \return 1 Function failed |
Kojto | 115:87f2f5183dfb | 680 | */ |
Kojto | 115:87f2f5183dfb | 681 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr) |
Kojto | 115:87f2f5183dfb | 682 | { |
Kojto | 115:87f2f5183dfb | 683 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 684 | |
Kojto | 115:87f2f5183dfb | 685 | __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); |
Kojto | 115:87f2f5183dfb | 686 | return(result); |
Kojto | 115:87f2f5183dfb | 687 | } |
Kojto | 115:87f2f5183dfb | 688 | |
Kojto | 115:87f2f5183dfb | 689 | |
Kojto | 115:87f2f5183dfb | 690 | /** \brief STR Exclusive (16 bit) |
Kojto | 115:87f2f5183dfb | 691 | |
Kojto | 115:87f2f5183dfb | 692 | This function executes a exclusive STR instruction for 16 bit values. |
Kojto | 115:87f2f5183dfb | 693 | |
Kojto | 115:87f2f5183dfb | 694 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 695 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 696 | \return 0 Function succeeded |
Kojto | 115:87f2f5183dfb | 697 | \return 1 Function failed |
Kojto | 115:87f2f5183dfb | 698 | */ |
Kojto | 115:87f2f5183dfb | 699 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr) |
Kojto | 115:87f2f5183dfb | 700 | { |
Kojto | 115:87f2f5183dfb | 701 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 702 | |
Kojto | 115:87f2f5183dfb | 703 | __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); |
Kojto | 115:87f2f5183dfb | 704 | return(result); |
Kojto | 115:87f2f5183dfb | 705 | } |
Kojto | 115:87f2f5183dfb | 706 | |
Kojto | 115:87f2f5183dfb | 707 | |
Kojto | 115:87f2f5183dfb | 708 | /** \brief STR Exclusive (32 bit) |
Kojto | 115:87f2f5183dfb | 709 | |
Kojto | 115:87f2f5183dfb | 710 | This function executes a exclusive STR instruction for 32 bit values. |
Kojto | 115:87f2f5183dfb | 711 | |
Kojto | 115:87f2f5183dfb | 712 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 713 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 714 | \return 0 Function succeeded |
Kojto | 115:87f2f5183dfb | 715 | \return 1 Function failed |
Kojto | 115:87f2f5183dfb | 716 | */ |
Kojto | 115:87f2f5183dfb | 717 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) |
Kojto | 115:87f2f5183dfb | 718 | { |
Kojto | 115:87f2f5183dfb | 719 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 720 | |
Kojto | 115:87f2f5183dfb | 721 | __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) ); |
Kojto | 115:87f2f5183dfb | 722 | return(result); |
Kojto | 115:87f2f5183dfb | 723 | } |
Kojto | 115:87f2f5183dfb | 724 | |
Kojto | 115:87f2f5183dfb | 725 | |
Kojto | 115:87f2f5183dfb | 726 | /** \brief Remove the exclusive lock |
Kojto | 115:87f2f5183dfb | 727 | |
Kojto | 115:87f2f5183dfb | 728 | This function removes the exclusive lock which is created by LDREX. |
Kojto | 115:87f2f5183dfb | 729 | |
Kojto | 115:87f2f5183dfb | 730 | */ |
Kojto | 115:87f2f5183dfb | 731 | __attribute__((always_inline)) __STATIC_INLINE void __CLREX(void) |
Kojto | 115:87f2f5183dfb | 732 | { |
Kojto | 115:87f2f5183dfb | 733 | __ASM volatile ("clrex" ::: "memory"); |
Kojto | 115:87f2f5183dfb | 734 | } |
Kojto | 115:87f2f5183dfb | 735 | |
Kojto | 115:87f2f5183dfb | 736 | |
Kojto | 115:87f2f5183dfb | 737 | /** \brief Signed Saturate |
Kojto | 115:87f2f5183dfb | 738 | |
Kojto | 115:87f2f5183dfb | 739 | This function saturates a signed value. |
Kojto | 115:87f2f5183dfb | 740 | |
Kojto | 115:87f2f5183dfb | 741 | \param [in] value Value to be saturated |
Kojto | 115:87f2f5183dfb | 742 | \param [in] sat Bit position to saturate to (1..32) |
Kojto | 115:87f2f5183dfb | 743 | \return Saturated value |
Kojto | 115:87f2f5183dfb | 744 | */ |
Kojto | 115:87f2f5183dfb | 745 | #define __SSAT(ARG1,ARG2) \ |
Kojto | 115:87f2f5183dfb | 746 | ({ \ |
Kojto | 115:87f2f5183dfb | 747 | uint32_t __RES, __ARG1 = (ARG1); \ |
Kojto | 115:87f2f5183dfb | 748 | __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ |
Kojto | 115:87f2f5183dfb | 749 | __RES; \ |
Kojto | 115:87f2f5183dfb | 750 | }) |
Kojto | 115:87f2f5183dfb | 751 | |
Kojto | 115:87f2f5183dfb | 752 | |
Kojto | 115:87f2f5183dfb | 753 | /** \brief Unsigned Saturate |
Kojto | 115:87f2f5183dfb | 754 | |
Kojto | 115:87f2f5183dfb | 755 | This function saturates an unsigned value. |
Kojto | 115:87f2f5183dfb | 756 | |
Kojto | 115:87f2f5183dfb | 757 | \param [in] value Value to be saturated |
Kojto | 115:87f2f5183dfb | 758 | \param [in] sat Bit position to saturate to (0..31) |
Kojto | 115:87f2f5183dfb | 759 | \return Saturated value |
Kojto | 115:87f2f5183dfb | 760 | */ |
Kojto | 115:87f2f5183dfb | 761 | #define __USAT(ARG1,ARG2) \ |
Kojto | 115:87f2f5183dfb | 762 | ({ \ |
Kojto | 115:87f2f5183dfb | 763 | uint32_t __RES, __ARG1 = (ARG1); \ |
Kojto | 115:87f2f5183dfb | 764 | __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ |
Kojto | 115:87f2f5183dfb | 765 | __RES; \ |
Kojto | 115:87f2f5183dfb | 766 | }) |
Kojto | 115:87f2f5183dfb | 767 | |
Kojto | 115:87f2f5183dfb | 768 | |
Kojto | 115:87f2f5183dfb | 769 | /** \brief Rotate Right with Extend (32 bit) |
Kojto | 115:87f2f5183dfb | 770 | |
Kojto | 115:87f2f5183dfb | 771 | This function moves each bit of a bitstring right by one bit. |
Kojto | 115:87f2f5183dfb | 772 | The carry input is shifted in at the left end of the bitstring. |
Kojto | 115:87f2f5183dfb | 773 | |
Kojto | 115:87f2f5183dfb | 774 | \param [in] value Value to rotate |
Kojto | 115:87f2f5183dfb | 775 | \return Rotated value |
Kojto | 115:87f2f5183dfb | 776 | */ |
Kojto | 115:87f2f5183dfb | 777 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __RRX(uint32_t value) |
Kojto | 115:87f2f5183dfb | 778 | { |
Kojto | 115:87f2f5183dfb | 779 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 780 | |
Kojto | 115:87f2f5183dfb | 781 | __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
Kojto | 115:87f2f5183dfb | 782 | return(result); |
Kojto | 115:87f2f5183dfb | 783 | } |
Kojto | 115:87f2f5183dfb | 784 | |
Kojto | 115:87f2f5183dfb | 785 | |
Kojto | 115:87f2f5183dfb | 786 | /** \brief LDRT Unprivileged (8 bit) |
Kojto | 115:87f2f5183dfb | 787 | |
Kojto | 115:87f2f5183dfb | 788 | This function executes a Unprivileged LDRT instruction for 8 bit value. |
Kojto | 115:87f2f5183dfb | 789 | |
Kojto | 115:87f2f5183dfb | 790 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 791 | \return value of type uint8_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 792 | */ |
Kojto | 115:87f2f5183dfb | 793 | __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDRBT(volatile uint8_t *addr) |
Kojto | 115:87f2f5183dfb | 794 | { |
Kojto | 115:87f2f5183dfb | 795 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 796 | |
Kojto | 115:87f2f5183dfb | 797 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
Kojto | 115:87f2f5183dfb | 798 | __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*addr) ); |
Kojto | 115:87f2f5183dfb | 799 | #else |
Kojto | 115:87f2f5183dfb | 800 | /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not |
Kojto | 115:87f2f5183dfb | 801 | accepted by assembler. So has to use following less efficient pattern. |
Kojto | 115:87f2f5183dfb | 802 | */ |
Kojto | 115:87f2f5183dfb | 803 | __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); |
Kojto | 115:87f2f5183dfb | 804 | #endif |
Kojto | 115:87f2f5183dfb | 805 | return ((uint8_t) result); /* Add explicit type cast here */ |
Kojto | 115:87f2f5183dfb | 806 | } |
Kojto | 115:87f2f5183dfb | 807 | |
Kojto | 115:87f2f5183dfb | 808 | |
Kojto | 115:87f2f5183dfb | 809 | /** \brief LDRT Unprivileged (16 bit) |
Kojto | 115:87f2f5183dfb | 810 | |
Kojto | 115:87f2f5183dfb | 811 | This function executes a Unprivileged LDRT instruction for 16 bit values. |
Kojto | 115:87f2f5183dfb | 812 | |
Kojto | 115:87f2f5183dfb | 813 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 814 | \return value of type uint16_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 815 | */ |
Kojto | 115:87f2f5183dfb | 816 | __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDRHT(volatile uint16_t *addr) |
Kojto | 115:87f2f5183dfb | 817 | { |
Kojto | 115:87f2f5183dfb | 818 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 819 | |
Kojto | 115:87f2f5183dfb | 820 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
Kojto | 115:87f2f5183dfb | 821 | __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*addr) ); |
Kojto | 115:87f2f5183dfb | 822 | #else |
Kojto | 115:87f2f5183dfb | 823 | /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not |
Kojto | 115:87f2f5183dfb | 824 | accepted by assembler. So has to use following less efficient pattern. |
Kojto | 115:87f2f5183dfb | 825 | */ |
Kojto | 115:87f2f5183dfb | 826 | __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); |
Kojto | 115:87f2f5183dfb | 827 | #endif |
Kojto | 115:87f2f5183dfb | 828 | return ((uint16_t) result); /* Add explicit type cast here */ |
Kojto | 115:87f2f5183dfb | 829 | } |
Kojto | 115:87f2f5183dfb | 830 | |
Kojto | 115:87f2f5183dfb | 831 | |
Kojto | 115:87f2f5183dfb | 832 | /** \brief LDRT Unprivileged (32 bit) |
Kojto | 115:87f2f5183dfb | 833 | |
Kojto | 115:87f2f5183dfb | 834 | This function executes a Unprivileged LDRT instruction for 32 bit values. |
Kojto | 115:87f2f5183dfb | 835 | |
Kojto | 115:87f2f5183dfb | 836 | \param [in] ptr Pointer to data |
Kojto | 115:87f2f5183dfb | 837 | \return value of type uint32_t at (*ptr) |
Kojto | 115:87f2f5183dfb | 838 | */ |
Kojto | 115:87f2f5183dfb | 839 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDRT(volatile uint32_t *addr) |
Kojto | 115:87f2f5183dfb | 840 | { |
Kojto | 115:87f2f5183dfb | 841 | uint32_t result; |
Kojto | 115:87f2f5183dfb | 842 | |
Kojto | 115:87f2f5183dfb | 843 | __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*addr) ); |
Kojto | 115:87f2f5183dfb | 844 | return(result); |
Kojto | 115:87f2f5183dfb | 845 | } |
Kojto | 115:87f2f5183dfb | 846 | |
Kojto | 115:87f2f5183dfb | 847 | |
Kojto | 115:87f2f5183dfb | 848 | /** \brief STRT Unprivileged (8 bit) |
Kojto | 115:87f2f5183dfb | 849 | |
Kojto | 115:87f2f5183dfb | 850 | This function executes a Unprivileged STRT instruction for 8 bit values. |
Kojto | 115:87f2f5183dfb | 851 | |
Kojto | 115:87f2f5183dfb | 852 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 853 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 854 | */ |
Kojto | 115:87f2f5183dfb | 855 | __attribute__((always_inline)) __STATIC_INLINE void __STRBT(uint8_t value, volatile uint8_t *addr) |
Kojto | 115:87f2f5183dfb | 856 | { |
Kojto | 115:87f2f5183dfb | 857 | __ASM volatile ("strbt %1, %0" : "=Q" (*addr) : "r" ((uint32_t)value) ); |
Kojto | 115:87f2f5183dfb | 858 | } |
Kojto | 115:87f2f5183dfb | 859 | |
Kojto | 115:87f2f5183dfb | 860 | |
Kojto | 115:87f2f5183dfb | 861 | /** \brief STRT Unprivileged (16 bit) |
Kojto | 115:87f2f5183dfb | 862 | |
Kojto | 115:87f2f5183dfb | 863 | This function executes a Unprivileged STRT instruction for 16 bit values. |
Kojto | 115:87f2f5183dfb | 864 | |
Kojto | 115:87f2f5183dfb | 865 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 866 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 867 | */ |
Kojto | 115:87f2f5183dfb | 868 | __attribute__((always_inline)) __STATIC_INLINE void __STRHT(uint16_t value, volatile uint16_t *addr) |
Kojto | 115:87f2f5183dfb | 869 | { |
Kojto | 115:87f2f5183dfb | 870 | __ASM volatile ("strht %1, %0" : "=Q" (*addr) : "r" ((uint32_t)value) ); |
Kojto | 115:87f2f5183dfb | 871 | } |
Kojto | 115:87f2f5183dfb | 872 | |
Kojto | 115:87f2f5183dfb | 873 | |
Kojto | 115:87f2f5183dfb | 874 | /** \brief STRT Unprivileged (32 bit) |
Kojto | 115:87f2f5183dfb | 875 | |
Kojto | 115:87f2f5183dfb | 876 | This function executes a Unprivileged STRT instruction for 32 bit values. |
Kojto | 115:87f2f5183dfb | 877 | |
Kojto | 115:87f2f5183dfb | 878 | \param [in] value Value to store |
Kojto | 115:87f2f5183dfb | 879 | \param [in] ptr Pointer to location |
Kojto | 115:87f2f5183dfb | 880 | */ |
Kojto | 115:87f2f5183dfb | 881 | __attribute__((always_inline)) __STATIC_INLINE void __STRT(uint32_t value, volatile uint32_t *addr) |
Kojto | 115:87f2f5183dfb | 882 | { |
Kojto | 115:87f2f5183dfb | 883 | __ASM volatile ("strt %1, %0" : "=Q" (*addr) : "r" (value) ); |
Kojto | 115:87f2f5183dfb | 884 | } |
Kojto | 115:87f2f5183dfb | 885 | |
Kojto | 115:87f2f5183dfb | 886 | #endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */ |
Kojto | 115:87f2f5183dfb | 887 | |
Kojto | 115:87f2f5183dfb | 888 | |
Kojto | 115:87f2f5183dfb | 889 | #elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ |
Kojto | 115:87f2f5183dfb | 890 | /* IAR iccarm specific functions */ |
Kojto | 115:87f2f5183dfb | 891 | #include <cmsis_iar.h> |
Kojto | 115:87f2f5183dfb | 892 | |
Kojto | 115:87f2f5183dfb | 893 | |
Kojto | 115:87f2f5183dfb | 894 | #elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ |
Kojto | 115:87f2f5183dfb | 895 | /* TI CCS specific functions */ |
Kojto | 115:87f2f5183dfb | 896 | #include <cmsis_ccs.h> |
Kojto | 115:87f2f5183dfb | 897 | |
Kojto | 115:87f2f5183dfb | 898 | |
Kojto | 115:87f2f5183dfb | 899 | #elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/ |
Kojto | 115:87f2f5183dfb | 900 | /* TASKING carm specific functions */ |
Kojto | 115:87f2f5183dfb | 901 | /* |
Kojto | 115:87f2f5183dfb | 902 | * The CMSIS functions have been implemented as intrinsics in the compiler. |
Kojto | 115:87f2f5183dfb | 903 | * Please use "carm -?i" to get an up to date list of all intrinsics, |
Kojto | 115:87f2f5183dfb | 904 | * Including the CMSIS ones. |
Kojto | 115:87f2f5183dfb | 905 | */ |
Kojto | 115:87f2f5183dfb | 906 | |
Kojto | 115:87f2f5183dfb | 907 | |
Kojto | 115:87f2f5183dfb | 908 | #elif defined ( __CSMC__ ) /*------------------ COSMIC Compiler -------------------*/ |
Kojto | 115:87f2f5183dfb | 909 | /* Cosmic specific functions */ |
Kojto | 115:87f2f5183dfb | 910 | #include <cmsis_csm.h> |
Kojto | 115:87f2f5183dfb | 911 | |
Kojto | 115:87f2f5183dfb | 912 | #endif |
Kojto | 115:87f2f5183dfb | 913 | |
Kojto | 115:87f2f5183dfb | 914 | /*@}*/ /* end of group CMSIS_Core_InstructionInterface */ |
Kojto | 115:87f2f5183dfb | 915 | |
Kojto | 115:87f2f5183dfb | 916 | #endif /* __CORE_CMINSTR_H */ |