BA / Mbed OS BaBoRo_test2

Backup 1

mbed-os/platform/mbed_critical.c@0:02dd72d1d465, 2018-04-24 (annotated)

Committer:
borlanic
Date:
Tue Apr 24 11:45:18 2018 +0000
Revision:
0:02dd72d1d465
BaBoRo_test2 - backup 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
borlanic 0:02dd72d1d465 1 /*
borlanic 0:02dd72d1d465 2 * Copyright (c) 2015-2016, ARM Limited, All Rights Reserved
borlanic 0:02dd72d1d465 3 * SPDX-License-Identifier: Apache-2.0
borlanic 0:02dd72d1d465 4 *
borlanic 0:02dd72d1d465 5 * Licensed under the Apache License, Version 2.0 (the "License"); you may
borlanic 0:02dd72d1d465 6 * not use this file except in compliance with the License.
borlanic 0:02dd72d1d465 7 * You may obtain a copy of the License at
borlanic 0:02dd72d1d465 8 *
borlanic 0:02dd72d1d465 9 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:02dd72d1d465 10 *
borlanic 0:02dd72d1d465 11 * Unless required by applicable law or agreed to in writing, software
borlanic 0:02dd72d1d465 12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
borlanic 0:02dd72d1d465 13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:02dd72d1d465 14 * See the License for the specific language governing permissions and
borlanic 0:02dd72d1d465 15 * limitations under the License.
borlanic 0:02dd72d1d465 16 */
borlanic 0:02dd72d1d465 17
borlanic 0:02dd72d1d465 18 /* Declare __STDC_LIMIT_MACROS so stdint.h defines UINT32_MAX when using C++ */
borlanic 0:02dd72d1d465 19 #define __STDC_LIMIT_MACROS
borlanic 0:02dd72d1d465 20 #include "hal/critical_section_api.h"
borlanic 0:02dd72d1d465 21
borlanic 0:02dd72d1d465 22 #include "cmsis.h"
borlanic 0:02dd72d1d465 23 #include "platform/mbed_assert.h"
borlanic 0:02dd72d1d465 24 #include "platform/mbed_critical.h"
borlanic 0:02dd72d1d465 25 #include "platform/mbed_toolchain.h"
borlanic 0:02dd72d1d465 26
borlanic 0:02dd72d1d465 27 // if __EXCLUSIVE_ACCESS rtx macro not defined, we need to get this via own-set architecture macros
borlanic 0:02dd72d1d465 28 #ifndef MBED_EXCLUSIVE_ACCESS
borlanic 0:02dd72d1d465 29 #ifndef __EXCLUSIVE_ACCESS
borlanic 0:02dd72d1d465 30 #if ((__ARM_ARCH_7M__ == 1U) || \
borlanic 0:02dd72d1d465 31 (__ARM_ARCH_7EM__ == 1U) || \
borlanic 0:02dd72d1d465 32 (__ARM_ARCH_8M_BASE__ == 1U) || \
borlanic 0:02dd72d1d465 33 (__ARM_ARCH_8M_MAIN__ == 1U)) || \
borlanic 0:02dd72d1d465 34 (__ARM_ARCH_7A__ == 1U)
borlanic 0:02dd72d1d465 35 #define MBED_EXCLUSIVE_ACCESS 1U
borlanic 0:02dd72d1d465 36 #elif (__ARM_ARCH_6M__ == 1U)
borlanic 0:02dd72d1d465 37 #define MBED_EXCLUSIVE_ACCESS 0U
borlanic 0:02dd72d1d465 38 #else
borlanic 0:02dd72d1d465 39 #error "Unknown architecture for exclusive access"
borlanic 0:02dd72d1d465 40 #endif
borlanic 0:02dd72d1d465 41 #else
borlanic 0:02dd72d1d465 42 #define MBED_EXCLUSIVE_ACCESS __EXCLUSIVE_ACCESS
borlanic 0:02dd72d1d465 43 #endif
borlanic 0:02dd72d1d465 44 #endif
borlanic 0:02dd72d1d465 45
borlanic 0:02dd72d1d465 46 static volatile uint32_t critical_section_reentrancy_counter = 0;
borlanic 0:02dd72d1d465 47
borlanic 0:02dd72d1d465 48 bool core_util_are_interrupts_enabled(void)
borlanic 0:02dd72d1d465 49 {
borlanic 0:02dd72d1d465 50 #if defined(__CORTEX_A9)
borlanic 0:02dd72d1d465 51 return ((__get_CPSR() & 0x80) == 0);
borlanic 0:02dd72d1d465 52 #else
borlanic 0:02dd72d1d465 53 return ((__get_PRIMASK() & 0x1) == 0);
borlanic 0:02dd72d1d465 54 #endif
borlanic 0:02dd72d1d465 55 }
borlanic 0:02dd72d1d465 56
borlanic 0:02dd72d1d465 57 bool core_util_is_isr_active(void)
borlanic 0:02dd72d1d465 58 {
borlanic 0:02dd72d1d465 59 #if defined(__CORTEX_A9)
borlanic 0:02dd72d1d465 60 switch(__get_CPSR() & 0x1FU) {
borlanic 0:02dd72d1d465 61 case CPSR_M_USR:
borlanic 0:02dd72d1d465 62 case CPSR_M_SYS:
borlanic 0:02dd72d1d465 63 return false;
borlanic 0:02dd72d1d465 64 case CPSR_M_SVC:
borlanic 0:02dd72d1d465 65 default:
borlanic 0:02dd72d1d465 66 return true;
borlanic 0:02dd72d1d465 67 }
borlanic 0:02dd72d1d465 68 #else
borlanic 0:02dd72d1d465 69 return (__get_IPSR() != 0U);
borlanic 0:02dd72d1d465 70 #endif
borlanic 0:02dd72d1d465 71 }
borlanic 0:02dd72d1d465 72
borlanic 0:02dd72d1d465 73 bool core_util_in_critical_section(void)
borlanic 0:02dd72d1d465 74 {
borlanic 0:02dd72d1d465 75 return hal_in_critical_section();
borlanic 0:02dd72d1d465 76 }
borlanic 0:02dd72d1d465 77
borlanic 0:02dd72d1d465 78 void core_util_critical_section_enter(void)
borlanic 0:02dd72d1d465 79 {
borlanic 0:02dd72d1d465 80 // FIXME
borlanic 0:02dd72d1d465 81 #ifdef FEATURE_UVISOR
borlanic 0:02dd72d1d465 82 #warning "core_util_critical_section_enter needs fixing to work from unprivileged code"
borlanic 0:02dd72d1d465 83 #else
borlanic 0:02dd72d1d465 84 // If the reentrancy counter overflows something has gone badly wrong.
borlanic 0:02dd72d1d465 85 MBED_ASSERT(critical_section_reentrancy_counter < UINT32_MAX);
borlanic 0:02dd72d1d465 86 #endif /* FEATURE_UVISOR */
borlanic 0:02dd72d1d465 87
borlanic 0:02dd72d1d465 88 hal_critical_section_enter();
borlanic 0:02dd72d1d465 89
borlanic 0:02dd72d1d465 90 ++critical_section_reentrancy_counter;
borlanic 0:02dd72d1d465 91 }
borlanic 0:02dd72d1d465 92
borlanic 0:02dd72d1d465 93 void core_util_critical_section_exit(void)
borlanic 0:02dd72d1d465 94 {
borlanic 0:02dd72d1d465 95 // FIXME
borlanic 0:02dd72d1d465 96 #ifdef FEATURE_UVISOR
borlanic 0:02dd72d1d465 97 #warning "core_util_critical_section_exit needs fixing to work from unprivileged code"
borlanic 0:02dd72d1d465 98 #endif /* FEATURE_UVISOR */
borlanic 0:02dd72d1d465 99
borlanic 0:02dd72d1d465 100 // If critical_section_enter has not previously been called, do nothing
borlanic 0:02dd72d1d465 101 if (critical_section_reentrancy_counter == 0) {
borlanic 0:02dd72d1d465 102 return;
borlanic 0:02dd72d1d465 103 }
borlanic 0:02dd72d1d465 104
borlanic 0:02dd72d1d465 105 --critical_section_reentrancy_counter;
borlanic 0:02dd72d1d465 106
borlanic 0:02dd72d1d465 107 if (critical_section_reentrancy_counter == 0) {
borlanic 0:02dd72d1d465 108 hal_critical_section_exit();
borlanic 0:02dd72d1d465 109 }
borlanic 0:02dd72d1d465 110 }
borlanic 0:02dd72d1d465 111
borlanic 0:02dd72d1d465 112 #if MBED_EXCLUSIVE_ACCESS
borlanic 0:02dd72d1d465 113
borlanic 0:02dd72d1d465 114 /* Supress __ldrex and __strex deprecated warnings - "#3731-D: intrinsic is deprecated" */
borlanic 0:02dd72d1d465 115 #if defined (__CC_ARM)
borlanic 0:02dd72d1d465 116 #pragma diag_suppress 3731
borlanic 0:02dd72d1d465 117 #endif
borlanic 0:02dd72d1d465 118
borlanic 0:02dd72d1d465 119 bool core_util_atomic_cas_u8(volatile uint8_t *ptr, uint8_t *expectedCurrentValue, uint8_t desiredValue)
borlanic 0:02dd72d1d465 120 {
borlanic 0:02dd72d1d465 121 do {
borlanic 0:02dd72d1d465 122 uint8_t currentValue = __LDREXB(ptr);
borlanic 0:02dd72d1d465 123 if (currentValue != *expectedCurrentValue) {
borlanic 0:02dd72d1d465 124 *expectedCurrentValue = currentValue;
borlanic 0:02dd72d1d465 125 __CLREX();
borlanic 0:02dd72d1d465 126 return false;
borlanic 0:02dd72d1d465 127 }
borlanic 0:02dd72d1d465 128 } while (__STREXB(desiredValue, ptr));
borlanic 0:02dd72d1d465 129 return true;
borlanic 0:02dd72d1d465 130 }
borlanic 0:02dd72d1d465 131
borlanic 0:02dd72d1d465 132 bool core_util_atomic_cas_u16(volatile uint16_t *ptr, uint16_t *expectedCurrentValue, uint16_t desiredValue)
borlanic 0:02dd72d1d465 133 {
borlanic 0:02dd72d1d465 134 do {
borlanic 0:02dd72d1d465 135 uint16_t currentValue = __LDREXH(ptr);
borlanic 0:02dd72d1d465 136 if (currentValue != *expectedCurrentValue) {
borlanic 0:02dd72d1d465 137 *expectedCurrentValue = currentValue;
borlanic 0:02dd72d1d465 138 __CLREX();
borlanic 0:02dd72d1d465 139 return false;
borlanic 0:02dd72d1d465 140 }
borlanic 0:02dd72d1d465 141 } while (__STREXH(desiredValue, ptr));
borlanic 0:02dd72d1d465 142 return true;
borlanic 0:02dd72d1d465 143 }
borlanic 0:02dd72d1d465 144
borlanic 0:02dd72d1d465 145
borlanic 0:02dd72d1d465 146 bool core_util_atomic_cas_u32(volatile uint32_t *ptr, uint32_t *expectedCurrentValue, uint32_t desiredValue)
borlanic 0:02dd72d1d465 147 {
borlanic 0:02dd72d1d465 148 do {
borlanic 0:02dd72d1d465 149 uint32_t currentValue = __LDREXW(ptr);
borlanic 0:02dd72d1d465 150 if (currentValue != *expectedCurrentValue) {
borlanic 0:02dd72d1d465 151 *expectedCurrentValue = currentValue;
borlanic 0:02dd72d1d465 152 __CLREX();
borlanic 0:02dd72d1d465 153 return false;
borlanic 0:02dd72d1d465 154 }
borlanic 0:02dd72d1d465 155 } while (__STREXW(desiredValue, ptr));
borlanic 0:02dd72d1d465 156 return true;
borlanic 0:02dd72d1d465 157 }
borlanic 0:02dd72d1d465 158
borlanic 0:02dd72d1d465 159 uint8_t core_util_atomic_incr_u8(volatile uint8_t *valuePtr, uint8_t delta)
borlanic 0:02dd72d1d465 160 {
borlanic 0:02dd72d1d465 161 uint8_t newValue;
borlanic 0:02dd72d1d465 162 do {
borlanic 0:02dd72d1d465 163 newValue = __LDREXB(valuePtr) + delta;
borlanic 0:02dd72d1d465 164 } while (__STREXB(newValue, valuePtr));
borlanic 0:02dd72d1d465 165 return newValue;
borlanic 0:02dd72d1d465 166 }
borlanic 0:02dd72d1d465 167
borlanic 0:02dd72d1d465 168 uint16_t core_util_atomic_incr_u16(volatile uint16_t *valuePtr, uint16_t delta)
borlanic 0:02dd72d1d465 169 {
borlanic 0:02dd72d1d465 170 uint16_t newValue;
borlanic 0:02dd72d1d465 171 do {
borlanic 0:02dd72d1d465 172 newValue = __LDREXH(valuePtr) + delta;
borlanic 0:02dd72d1d465 173 } while (__STREXH(newValue, valuePtr));
borlanic 0:02dd72d1d465 174 return newValue;
borlanic 0:02dd72d1d465 175 }
borlanic 0:02dd72d1d465 176
borlanic 0:02dd72d1d465 177 uint32_t core_util_atomic_incr_u32(volatile uint32_t *valuePtr, uint32_t delta)
borlanic 0:02dd72d1d465 178 {
borlanic 0:02dd72d1d465 179 uint32_t newValue;
borlanic 0:02dd72d1d465 180 do {
borlanic 0:02dd72d1d465 181 newValue = __LDREXW(valuePtr) + delta;
borlanic 0:02dd72d1d465 182 } while (__STREXW(newValue, valuePtr));
borlanic 0:02dd72d1d465 183 return newValue;
borlanic 0:02dd72d1d465 184 }
borlanic 0:02dd72d1d465 185
borlanic 0:02dd72d1d465 186
borlanic 0:02dd72d1d465 187 uint8_t core_util_atomic_decr_u8(volatile uint8_t *valuePtr, uint8_t delta)
borlanic 0:02dd72d1d465 188 {
borlanic 0:02dd72d1d465 189 uint8_t newValue;
borlanic 0:02dd72d1d465 190 do {
borlanic 0:02dd72d1d465 191 newValue = __LDREXB(valuePtr) - delta;
borlanic 0:02dd72d1d465 192 } while (__STREXB(newValue, valuePtr));
borlanic 0:02dd72d1d465 193 return newValue;
borlanic 0:02dd72d1d465 194 }
borlanic 0:02dd72d1d465 195
borlanic 0:02dd72d1d465 196 uint16_t core_util_atomic_decr_u16(volatile uint16_t *valuePtr, uint16_t delta)
borlanic 0:02dd72d1d465 197 {
borlanic 0:02dd72d1d465 198 uint16_t newValue;
borlanic 0:02dd72d1d465 199 do {
borlanic 0:02dd72d1d465 200 newValue = __LDREXH(valuePtr) - delta;
borlanic 0:02dd72d1d465 201 } while (__STREXH(newValue, valuePtr));
borlanic 0:02dd72d1d465 202 return newValue;
borlanic 0:02dd72d1d465 203 }
borlanic 0:02dd72d1d465 204
borlanic 0:02dd72d1d465 205 uint32_t core_util_atomic_decr_u32(volatile uint32_t *valuePtr, uint32_t delta)
borlanic 0:02dd72d1d465 206 {
borlanic 0:02dd72d1d465 207 uint32_t newValue;
borlanic 0:02dd72d1d465 208 do {
borlanic 0:02dd72d1d465 209 newValue = __LDREXW(valuePtr) - delta;
borlanic 0:02dd72d1d465 210 } while (__STREXW(newValue, valuePtr));
borlanic 0:02dd72d1d465 211 return newValue;
borlanic 0:02dd72d1d465 212 }
borlanic 0:02dd72d1d465 213
borlanic 0:02dd72d1d465 214 #else
borlanic 0:02dd72d1d465 215
borlanic 0:02dd72d1d465 216 bool core_util_atomic_cas_u8(volatile uint8_t *ptr, uint8_t *expectedCurrentValue, uint8_t desiredValue)
borlanic 0:02dd72d1d465 217 {
borlanic 0:02dd72d1d465 218 bool success;
borlanic 0:02dd72d1d465 219 uint8_t currentValue;
borlanic 0:02dd72d1d465 220 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 221 currentValue = *ptr;
borlanic 0:02dd72d1d465 222 if (currentValue == *expectedCurrentValue) {
borlanic 0:02dd72d1d465 223 *ptr = desiredValue;
borlanic 0:02dd72d1d465 224 success = true;
borlanic 0:02dd72d1d465 225 } else {
borlanic 0:02dd72d1d465 226 *expectedCurrentValue = currentValue;
borlanic 0:02dd72d1d465 227 success = false;
borlanic 0:02dd72d1d465 228 }
borlanic 0:02dd72d1d465 229 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 230 return success;
borlanic 0:02dd72d1d465 231 }
borlanic 0:02dd72d1d465 232
borlanic 0:02dd72d1d465 233 bool core_util_atomic_cas_u16(volatile uint16_t *ptr, uint16_t *expectedCurrentValue, uint16_t desiredValue)
borlanic 0:02dd72d1d465 234 {
borlanic 0:02dd72d1d465 235 bool success;
borlanic 0:02dd72d1d465 236 uint16_t currentValue;
borlanic 0:02dd72d1d465 237 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 238 currentValue = *ptr;
borlanic 0:02dd72d1d465 239 if (currentValue == *expectedCurrentValue) {
borlanic 0:02dd72d1d465 240 *ptr = desiredValue;
borlanic 0:02dd72d1d465 241 success = true;
borlanic 0:02dd72d1d465 242 } else {
borlanic 0:02dd72d1d465 243 *expectedCurrentValue = currentValue;
borlanic 0:02dd72d1d465 244 success = false;
borlanic 0:02dd72d1d465 245 }
borlanic 0:02dd72d1d465 246 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 247 return success;
borlanic 0:02dd72d1d465 248 }
borlanic 0:02dd72d1d465 249
borlanic 0:02dd72d1d465 250
borlanic 0:02dd72d1d465 251 bool core_util_atomic_cas_u32(volatile uint32_t *ptr, uint32_t *expectedCurrentValue, uint32_t desiredValue)
borlanic 0:02dd72d1d465 252 {
borlanic 0:02dd72d1d465 253 bool success;
borlanic 0:02dd72d1d465 254 uint32_t currentValue;
borlanic 0:02dd72d1d465 255 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 256 currentValue = *ptr;
borlanic 0:02dd72d1d465 257 if (currentValue == *expectedCurrentValue) {
borlanic 0:02dd72d1d465 258 *ptr = desiredValue;
borlanic 0:02dd72d1d465 259 success = true;
borlanic 0:02dd72d1d465 260 } else {
borlanic 0:02dd72d1d465 261 *expectedCurrentValue = currentValue;
borlanic 0:02dd72d1d465 262 success = false;
borlanic 0:02dd72d1d465 263 }
borlanic 0:02dd72d1d465 264 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 265 return success;
borlanic 0:02dd72d1d465 266 }
borlanic 0:02dd72d1d465 267
borlanic 0:02dd72d1d465 268
borlanic 0:02dd72d1d465 269 uint8_t core_util_atomic_incr_u8(volatile uint8_t *valuePtr, uint8_t delta)
borlanic 0:02dd72d1d465 270 {
borlanic 0:02dd72d1d465 271 uint8_t newValue;
borlanic 0:02dd72d1d465 272 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 273 newValue = *valuePtr + delta;
borlanic 0:02dd72d1d465 274 *valuePtr = newValue;
borlanic 0:02dd72d1d465 275 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 276 return newValue;
borlanic 0:02dd72d1d465 277 }
borlanic 0:02dd72d1d465 278
borlanic 0:02dd72d1d465 279 uint16_t core_util_atomic_incr_u16(volatile uint16_t *valuePtr, uint16_t delta)
borlanic 0:02dd72d1d465 280 {
borlanic 0:02dd72d1d465 281 uint16_t newValue;
borlanic 0:02dd72d1d465 282 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 283 newValue = *valuePtr + delta;
borlanic 0:02dd72d1d465 284 *valuePtr = newValue;
borlanic 0:02dd72d1d465 285 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 286 return newValue;
borlanic 0:02dd72d1d465 287 }
borlanic 0:02dd72d1d465 288
borlanic 0:02dd72d1d465 289 uint32_t core_util_atomic_incr_u32(volatile uint32_t *valuePtr, uint32_t delta)
borlanic 0:02dd72d1d465 290 {
borlanic 0:02dd72d1d465 291 uint32_t newValue;
borlanic 0:02dd72d1d465 292 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 293 newValue = *valuePtr + delta;
borlanic 0:02dd72d1d465 294 *valuePtr = newValue;
borlanic 0:02dd72d1d465 295 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 296 return newValue;
borlanic 0:02dd72d1d465 297 }
borlanic 0:02dd72d1d465 298
borlanic 0:02dd72d1d465 299
borlanic 0:02dd72d1d465 300 uint8_t core_util_atomic_decr_u8(volatile uint8_t *valuePtr, uint8_t delta)
borlanic 0:02dd72d1d465 301 {
borlanic 0:02dd72d1d465 302 uint8_t newValue;
borlanic 0:02dd72d1d465 303 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 304 newValue = *valuePtr - delta;
borlanic 0:02dd72d1d465 305 *valuePtr = newValue;
borlanic 0:02dd72d1d465 306 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 307 return newValue;
borlanic 0:02dd72d1d465 308 }
borlanic 0:02dd72d1d465 309
borlanic 0:02dd72d1d465 310 uint16_t core_util_atomic_decr_u16(volatile uint16_t *valuePtr, uint16_t delta)
borlanic 0:02dd72d1d465 311 {
borlanic 0:02dd72d1d465 312 uint16_t newValue;
borlanic 0:02dd72d1d465 313 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 314 newValue = *valuePtr - delta;
borlanic 0:02dd72d1d465 315 *valuePtr = newValue;
borlanic 0:02dd72d1d465 316 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 317 return newValue;
borlanic 0:02dd72d1d465 318 }
borlanic 0:02dd72d1d465 319
borlanic 0:02dd72d1d465 320 uint32_t core_util_atomic_decr_u32(volatile uint32_t *valuePtr, uint32_t delta)
borlanic 0:02dd72d1d465 321 {
borlanic 0:02dd72d1d465 322 uint32_t newValue;
borlanic 0:02dd72d1d465 323 core_util_critical_section_enter();
borlanic 0:02dd72d1d465 324 newValue = *valuePtr - delta;
borlanic 0:02dd72d1d465 325 *valuePtr = newValue;
borlanic 0:02dd72d1d465 326 core_util_critical_section_exit();
borlanic 0:02dd72d1d465 327 return newValue;
borlanic 0:02dd72d1d465 328 }
borlanic 0:02dd72d1d465 329
borlanic 0:02dd72d1d465 330 #endif
borlanic 0:02dd72d1d465 331
borlanic 0:02dd72d1d465 332
borlanic 0:02dd72d1d465 333 bool core_util_atomic_cas_ptr(void * volatile *ptr, void **expectedCurrentValue, void *desiredValue) {
borlanic 0:02dd72d1d465 334 return core_util_atomic_cas_u32(
borlanic 0:02dd72d1d465 335 (volatile uint32_t *)ptr,
borlanic 0:02dd72d1d465 336 (uint32_t *)expectedCurrentValue,
borlanic 0:02dd72d1d465 337 (uint32_t)desiredValue);
borlanic 0:02dd72d1d465 338 }
borlanic 0:02dd72d1d465 339
borlanic 0:02dd72d1d465 340 void *core_util_atomic_incr_ptr(void * volatile *valuePtr, ptrdiff_t delta) {
borlanic 0:02dd72d1d465 341 return (void *)core_util_atomic_incr_u32((volatile uint32_t *)valuePtr, (uint32_t)delta);
borlanic 0:02dd72d1d465 342 }
borlanic 0:02dd72d1d465 343
borlanic 0:02dd72d1d465 344 void *core_util_atomic_decr_ptr(void * volatile *valuePtr, ptrdiff_t delta) {
borlanic 0:02dd72d1d465 345 return (void *)core_util_atomic_decr_u32((volatile uint32_t *)valuePtr, (uint32_t)delta);
borlanic 0:02dd72d1d465 346 }
borlanic 0:02dd72d1d465 347