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common/mbed_critical.c@147:30b64687e01f, 2016-09-16 (annotated)

Committer:
<>
Date:
Fri Sep 16 16:24:25 2016 +0100
Revision:
147:30b64687e01f
Parent:
144:ef7eb2e8f9f7 
This updates the lib to the mbed lib v126

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<> 144:ef7eb2e8f9f7 1 /*
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2015-2016, ARM Limited, All Rights Reserved
<> 144:ef7eb2e8f9f7 3 * SPDX-License-Identifier: Apache-2.0
<> 144:ef7eb2e8f9f7 4 *
<> 144:ef7eb2e8f9f7 5 * Licensed under the Apache License, Version 2.0 (the "License"); you may
<> 144:ef7eb2e8f9f7 6 * not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 7 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 8 *
<> 144:ef7eb2e8f9f7 9 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 10 *
<> 144:ef7eb2e8f9f7 11 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
<> 144:ef7eb2e8f9f7 13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 14 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 15 * limitations under the License.
<> 144:ef7eb2e8f9f7 16 */
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 #include "critical.h"
<> 144:ef7eb2e8f9f7 19
<> 144:ef7eb2e8f9f7 20 #include "cmsis.h"
<> 144:ef7eb2e8f9f7 21 #include "mbed_assert.h"
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 #define EXCLUSIVE_ACCESS (!defined (__CORTEX_M0) && !defined (__CORTEX_M0PLUS))
<> 144:ef7eb2e8f9f7 24
<> 144:ef7eb2e8f9f7 25 static volatile uint32_t interrupt_enable_counter = 0;
<> 144:ef7eb2e8f9f7 26 static volatile bool critical_interrupts_disabled = false;
<> 144:ef7eb2e8f9f7 27
<> 144:ef7eb2e8f9f7 28 bool core_util_are_interrupts_enabled(void)
<> 144:ef7eb2e8f9f7 29 {
<> 144:ef7eb2e8f9f7 30 #if defined(__CORTEX_A9)
<> 144:ef7eb2e8f9f7 31 return ((__get_CPSR() & 0x80) == 0);
<> 144:ef7eb2e8f9f7 32 #else
<> 144:ef7eb2e8f9f7 33 return ((__get_PRIMASK() & 0x1) == 0);
<> 144:ef7eb2e8f9f7 34 #endif
<> 144:ef7eb2e8f9f7 35 }
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 void core_util_critical_section_enter(void)
<> 144:ef7eb2e8f9f7 38 {
<> 144:ef7eb2e8f9f7 39 bool interrupts_disabled = !core_util_are_interrupts_enabled();
<> 144:ef7eb2e8f9f7 40 __disable_irq();
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 /* Save the interrupt disabled state as it was prior to any nested critical section lock use */
<> 144:ef7eb2e8f9f7 43 if (!interrupt_enable_counter) {
<> 144:ef7eb2e8f9f7 44 critical_interrupts_disabled = interrupts_disabled;
<> 144:ef7eb2e8f9f7 45 }
<> 144:ef7eb2e8f9f7 46
<> 144:ef7eb2e8f9f7 47 /* If the interrupt_enable_counter overflows or we are in a nested critical section and interrupts
<> 144:ef7eb2e8f9f7 48 are enabled, then something has gone badly wrong thus assert an error.
<> 144:ef7eb2e8f9f7 49 */
<> 144:ef7eb2e8f9f7 50 MBED_ASSERT(interrupt_enable_counter < UINT32_MAX);
<> 144:ef7eb2e8f9f7 51 // FIXME
<> 144:ef7eb2e8f9f7 52 #ifndef FEATURE_UVISOR
<> 144:ef7eb2e8f9f7 53 if (interrupt_enable_counter > 0) {
<> 144:ef7eb2e8f9f7 54 MBED_ASSERT(interrupts_disabled);
<> 144:ef7eb2e8f9f7 55 }
<> 144:ef7eb2e8f9f7 56 #else
<> 144:ef7eb2e8f9f7 57 #warning "core_util_critical_section_enter needs fixing to work from unprivileged code"
<> 144:ef7eb2e8f9f7 58 #endif /* FEATURE_UVISOR */
<> 144:ef7eb2e8f9f7 59 interrupt_enable_counter++;
<> 144:ef7eb2e8f9f7 60 }
<> 144:ef7eb2e8f9f7 61
<> 144:ef7eb2e8f9f7 62 void core_util_critical_section_exit(void)
<> 144:ef7eb2e8f9f7 63 {
<> 144:ef7eb2e8f9f7 64 /* If critical_section_enter has not previously been called, do nothing */
<> 144:ef7eb2e8f9f7 65 if (interrupt_enable_counter) {
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 // FIXME
<> 144:ef7eb2e8f9f7 68 #ifndef FEATURE_UVISOR
<> 144:ef7eb2e8f9f7 69 bool interrupts_disabled = !core_util_are_interrupts_enabled(); /* get the current interrupt disabled state */
<> 144:ef7eb2e8f9f7 70
<> 144:ef7eb2e8f9f7 71 MBED_ASSERT(interrupts_disabled); /* Interrupts must be disabled on invoking an exit from a critical section */
<> 144:ef7eb2e8f9f7 72 #else
<> 144:ef7eb2e8f9f7 73 #warning "core_util_critical_section_exit needs fixing to work from unprivileged code"
<> 144:ef7eb2e8f9f7 74 #endif /* FEATURE_UVISOR */
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 interrupt_enable_counter--;
<> 144:ef7eb2e8f9f7 77
<> 144:ef7eb2e8f9f7 78 /* Only re-enable interrupts if we are exiting the last of the nested critical sections and
<> 144:ef7eb2e8f9f7 79 interrupts were enabled on entry to the first critical section.
<> 144:ef7eb2e8f9f7 80 */
<> 144:ef7eb2e8f9f7 81 if (!interrupt_enable_counter && !critical_interrupts_disabled) {
<> 144:ef7eb2e8f9f7 82 __enable_irq();
<> 144:ef7eb2e8f9f7 83 }
<> 144:ef7eb2e8f9f7 84 }
<> 144:ef7eb2e8f9f7 85 }
<> 144:ef7eb2e8f9f7 86
<> 144:ef7eb2e8f9f7 87 #if EXCLUSIVE_ACCESS
<> 144:ef7eb2e8f9f7 88
<> 147:30b64687e01f 89 /* Supress __ldrex and __strex deprecated warnings - "#3731-D: intrinsic is deprecated" */
<> 147:30b64687e01f 90 #if defined (__CC_ARM)
<> 147:30b64687e01f 91 #pragma diag_suppress 3731
<> 147:30b64687e01f 92 #endif
<> 147:30b64687e01f 93
<> 144:ef7eb2e8f9f7 94 bool core_util_atomic_cas_u8(uint8_t *ptr, uint8_t *expectedCurrentValue, uint8_t desiredValue)
<> 144:ef7eb2e8f9f7 95 {
<> 144:ef7eb2e8f9f7 96 uint8_t currentValue = __LDREXB((volatile uint8_t*)ptr);
<> 144:ef7eb2e8f9f7 97 if (currentValue != *expectedCurrentValue) {
<> 144:ef7eb2e8f9f7 98 *expectedCurrentValue = currentValue;
<> 144:ef7eb2e8f9f7 99 __CLREX();
<> 144:ef7eb2e8f9f7 100 return false;
<> 144:ef7eb2e8f9f7 101 }
<> 144:ef7eb2e8f9f7 102
<> 144:ef7eb2e8f9f7 103 return !__STREXB(desiredValue, (volatile uint8_t*)ptr);
<> 144:ef7eb2e8f9f7 104 }
<> 144:ef7eb2e8f9f7 105
<> 144:ef7eb2e8f9f7 106 bool core_util_atomic_cas_u16(uint16_t *ptr, uint16_t *expectedCurrentValue, uint16_t desiredValue)
<> 144:ef7eb2e8f9f7 107 {
<> 144:ef7eb2e8f9f7 108 uint16_t currentValue = __LDREXH((volatile uint16_t*)ptr);
<> 144:ef7eb2e8f9f7 109 if (currentValue != *expectedCurrentValue) {
<> 144:ef7eb2e8f9f7 110 *expectedCurrentValue = currentValue;
<> 144:ef7eb2e8f9f7 111 __CLREX();
<> 144:ef7eb2e8f9f7 112 return false;
<> 144:ef7eb2e8f9f7 113 }
<> 144:ef7eb2e8f9f7 114
<> 144:ef7eb2e8f9f7 115 return !__STREXH(desiredValue, (volatile uint16_t*)ptr);
<> 144:ef7eb2e8f9f7 116 }
<> 144:ef7eb2e8f9f7 117
<> 144:ef7eb2e8f9f7 118
<> 144:ef7eb2e8f9f7 119 bool core_util_atomic_cas_u32(uint32_t *ptr, uint32_t *expectedCurrentValue, uint32_t desiredValue)
<> 144:ef7eb2e8f9f7 120 {
<> 144:ef7eb2e8f9f7 121 uint32_t currentValue = __LDREXW((volatile uint32_t*)ptr);
<> 144:ef7eb2e8f9f7 122 if (currentValue != *expectedCurrentValue) {
<> 144:ef7eb2e8f9f7 123 *expectedCurrentValue = currentValue;
<> 144:ef7eb2e8f9f7 124 __CLREX();
<> 144:ef7eb2e8f9f7 125 return false;
<> 144:ef7eb2e8f9f7 126 }
<> 144:ef7eb2e8f9f7 127
<> 144:ef7eb2e8f9f7 128 return !__STREXW(desiredValue, (volatile uint32_t*)ptr);
<> 144:ef7eb2e8f9f7 129 }
<> 144:ef7eb2e8f9f7 130
<> 144:ef7eb2e8f9f7 131 uint8_t core_util_atomic_incr_u8(uint8_t *valuePtr, uint8_t delta)
<> 144:ef7eb2e8f9f7 132 {
<> 144:ef7eb2e8f9f7 133 uint8_t newValue;
<> 144:ef7eb2e8f9f7 134 do {
<> 144:ef7eb2e8f9f7 135 newValue = __LDREXB((volatile uint8_t*)valuePtr) + delta;
<> 144:ef7eb2e8f9f7 136 } while (__STREXB(newValue, (volatile uint8_t*)valuePtr));
<> 144:ef7eb2e8f9f7 137 return newValue;
<> 144:ef7eb2e8f9f7 138 }
<> 144:ef7eb2e8f9f7 139
<> 144:ef7eb2e8f9f7 140 uint16_t core_util_atomic_incr_u16(uint16_t *valuePtr, uint16_t delta)
<> 144:ef7eb2e8f9f7 141 {
<> 144:ef7eb2e8f9f7 142 uint16_t newValue;
<> 144:ef7eb2e8f9f7 143 do {
<> 144:ef7eb2e8f9f7 144 newValue = __LDREXH((volatile uint16_t*)valuePtr) + delta;
<> 144:ef7eb2e8f9f7 145 } while (__STREXH(newValue, (volatile uint16_t*)valuePtr));
<> 144:ef7eb2e8f9f7 146 return newValue;
<> 144:ef7eb2e8f9f7 147 }
<> 144:ef7eb2e8f9f7 148
<> 144:ef7eb2e8f9f7 149 uint32_t core_util_atomic_incr_u32(uint32_t *valuePtr, uint32_t delta)
<> 144:ef7eb2e8f9f7 150 {
<> 144:ef7eb2e8f9f7 151 uint32_t newValue;
<> 144:ef7eb2e8f9f7 152 do {
<> 144:ef7eb2e8f9f7 153 newValue = __LDREXW((volatile uint32_t*)valuePtr) + delta;
<> 144:ef7eb2e8f9f7 154 } while (__STREXW(newValue, (volatile uint32_t*)valuePtr));
<> 144:ef7eb2e8f9f7 155 return newValue;
<> 144:ef7eb2e8f9f7 156 }
<> 144:ef7eb2e8f9f7 157
<> 144:ef7eb2e8f9f7 158
<> 144:ef7eb2e8f9f7 159 uint8_t core_util_atomic_decr_u8(uint8_t *valuePtr, uint8_t delta)
<> 144:ef7eb2e8f9f7 160 {
<> 144:ef7eb2e8f9f7 161 uint8_t newValue;
<> 144:ef7eb2e8f9f7 162 do {
<> 144:ef7eb2e8f9f7 163 newValue = __LDREXB((volatile uint8_t*)valuePtr) - delta;
<> 144:ef7eb2e8f9f7 164 } while (__STREXB(newValue, (volatile uint8_t*)valuePtr));
<> 144:ef7eb2e8f9f7 165 return newValue;
<> 144:ef7eb2e8f9f7 166 }
<> 144:ef7eb2e8f9f7 167
<> 144:ef7eb2e8f9f7 168 uint16_t core_util_atomic_decr_u16(uint16_t *valuePtr, uint16_t delta)
<> 144:ef7eb2e8f9f7 169 {
<> 144:ef7eb2e8f9f7 170 uint16_t newValue;
<> 144:ef7eb2e8f9f7 171 do {
<> 144:ef7eb2e8f9f7 172 newValue = __LDREXH((volatile uint16_t*)valuePtr) - delta;
<> 144:ef7eb2e8f9f7 173 } while (__STREXH(newValue, (volatile uint16_t*)valuePtr));
<> 144:ef7eb2e8f9f7 174 return newValue;
<> 144:ef7eb2e8f9f7 175 }
<> 144:ef7eb2e8f9f7 176
<> 144:ef7eb2e8f9f7 177 uint32_t core_util_atomic_decr_u32(uint32_t *valuePtr, uint32_t delta)
<> 144:ef7eb2e8f9f7 178 {
<> 144:ef7eb2e8f9f7 179 uint32_t newValue;
<> 144:ef7eb2e8f9f7 180 do {
<> 144:ef7eb2e8f9f7 181 newValue = __LDREXW((volatile uint32_t*)valuePtr) - delta;
<> 144:ef7eb2e8f9f7 182 } while (__STREXW(newValue, (volatile uint32_t*)valuePtr));
<> 144:ef7eb2e8f9f7 183 return newValue;
<> 144:ef7eb2e8f9f7 184 }
<> 144:ef7eb2e8f9f7 185
<> 144:ef7eb2e8f9f7 186 #else
<> 144:ef7eb2e8f9f7 187
<> 144:ef7eb2e8f9f7 188 bool core_util_atomic_cas_u8(uint8_t *ptr, uint8_t *expectedCurrentValue, uint8_t desiredValue)
<> 144:ef7eb2e8f9f7 189 {
<> 144:ef7eb2e8f9f7 190 bool success;
<> 144:ef7eb2e8f9f7 191 uint8_t currentValue;
<> 144:ef7eb2e8f9f7 192 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 193 currentValue = *ptr;
<> 144:ef7eb2e8f9f7 194 if (currentValue == *expectedCurrentValue) {
<> 144:ef7eb2e8f9f7 195 *ptr = desiredValue;
<> 144:ef7eb2e8f9f7 196 success = true;
<> 144:ef7eb2e8f9f7 197 } else {
<> 144:ef7eb2e8f9f7 198 *expectedCurrentValue = currentValue;
<> 144:ef7eb2e8f9f7 199 success = false;
<> 144:ef7eb2e8f9f7 200 }
<> 144:ef7eb2e8f9f7 201 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 202 return success;
<> 144:ef7eb2e8f9f7 203 }
<> 144:ef7eb2e8f9f7 204
<> 144:ef7eb2e8f9f7 205 bool core_util_atomic_cas_u16(uint16_t *ptr, uint16_t *expectedCurrentValue, uint16_t desiredValue)
<> 144:ef7eb2e8f9f7 206 {
<> 144:ef7eb2e8f9f7 207 bool success;
<> 144:ef7eb2e8f9f7 208 uint16_t currentValue;
<> 144:ef7eb2e8f9f7 209 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 210 currentValue = *ptr;
<> 144:ef7eb2e8f9f7 211 if (currentValue == *expectedCurrentValue) {
<> 144:ef7eb2e8f9f7 212 *ptr = desiredValue;
<> 144:ef7eb2e8f9f7 213 success = true;
<> 144:ef7eb2e8f9f7 214 } else {
<> 144:ef7eb2e8f9f7 215 *expectedCurrentValue = currentValue;
<> 144:ef7eb2e8f9f7 216 success = false;
<> 144:ef7eb2e8f9f7 217 }
<> 144:ef7eb2e8f9f7 218 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 219 return success;
<> 144:ef7eb2e8f9f7 220 }
<> 144:ef7eb2e8f9f7 221
<> 144:ef7eb2e8f9f7 222
<> 144:ef7eb2e8f9f7 223 bool core_util_atomic_cas_u32(uint32_t *ptr, uint32_t *expectedCurrentValue, uint32_t desiredValue)
<> 144:ef7eb2e8f9f7 224 {
<> 144:ef7eb2e8f9f7 225 bool success;
<> 144:ef7eb2e8f9f7 226 uint32_t currentValue;
<> 144:ef7eb2e8f9f7 227 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 228 currentValue = *ptr;
<> 144:ef7eb2e8f9f7 229 if (currentValue == *expectedCurrentValue) {
<> 144:ef7eb2e8f9f7 230 *ptr = desiredValue;
<> 144:ef7eb2e8f9f7 231 success = true;
<> 144:ef7eb2e8f9f7 232 } else {
<> 144:ef7eb2e8f9f7 233 *expectedCurrentValue = currentValue;
<> 144:ef7eb2e8f9f7 234 success = false;
<> 144:ef7eb2e8f9f7 235 }
<> 144:ef7eb2e8f9f7 236 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 237 return success;
<> 144:ef7eb2e8f9f7 238 }
<> 144:ef7eb2e8f9f7 239
<> 144:ef7eb2e8f9f7 240
<> 144:ef7eb2e8f9f7 241 uint8_t core_util_atomic_incr_u8(uint8_t *valuePtr, uint8_t delta)
<> 144:ef7eb2e8f9f7 242 {
<> 144:ef7eb2e8f9f7 243 uint8_t newValue;
<> 144:ef7eb2e8f9f7 244 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 245 newValue = *valuePtr + delta;
<> 144:ef7eb2e8f9f7 246 *valuePtr = newValue;
<> 144:ef7eb2e8f9f7 247 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 248 return newValue;
<> 144:ef7eb2e8f9f7 249 }
<> 144:ef7eb2e8f9f7 250
<> 144:ef7eb2e8f9f7 251 uint16_t core_util_atomic_incr_u16(uint16_t *valuePtr, uint16_t delta)
<> 144:ef7eb2e8f9f7 252 {
<> 144:ef7eb2e8f9f7 253 uint16_t newValue;
<> 144:ef7eb2e8f9f7 254 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 255 newValue = *valuePtr + delta;
<> 144:ef7eb2e8f9f7 256 *valuePtr = newValue;
<> 144:ef7eb2e8f9f7 257 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 258 return newValue;
<> 144:ef7eb2e8f9f7 259 }
<> 144:ef7eb2e8f9f7 260
<> 144:ef7eb2e8f9f7 261 uint32_t core_util_atomic_incr_u32(uint32_t *valuePtr, uint32_t delta)
<> 144:ef7eb2e8f9f7 262 {
<> 144:ef7eb2e8f9f7 263 uint32_t newValue;
<> 144:ef7eb2e8f9f7 264 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 265 newValue = *valuePtr + delta;
<> 144:ef7eb2e8f9f7 266 *valuePtr = newValue;
<> 144:ef7eb2e8f9f7 267 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 268 return newValue;
<> 144:ef7eb2e8f9f7 269 }
<> 144:ef7eb2e8f9f7 270
<> 144:ef7eb2e8f9f7 271
<> 144:ef7eb2e8f9f7 272 uint8_t core_util_atomic_decr_u8(uint8_t *valuePtr, uint8_t delta)
<> 144:ef7eb2e8f9f7 273 {
<> 144:ef7eb2e8f9f7 274 uint8_t newValue;
<> 144:ef7eb2e8f9f7 275 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 276 newValue = *valuePtr - delta;
<> 144:ef7eb2e8f9f7 277 *valuePtr = newValue;
<> 144:ef7eb2e8f9f7 278 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 279 return newValue;
<> 144:ef7eb2e8f9f7 280 }
<> 144:ef7eb2e8f9f7 281
<> 144:ef7eb2e8f9f7 282 uint16_t core_util_atomic_decr_u16(uint16_t *valuePtr, uint16_t delta)
<> 144:ef7eb2e8f9f7 283 {
<> 144:ef7eb2e8f9f7 284 uint16_t newValue;
<> 144:ef7eb2e8f9f7 285 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 286 newValue = *valuePtr - delta;
<> 144:ef7eb2e8f9f7 287 *valuePtr = newValue;
<> 144:ef7eb2e8f9f7 288 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 289 return newValue;
<> 144:ef7eb2e8f9f7 290 }
<> 144:ef7eb2e8f9f7 291
<> 144:ef7eb2e8f9f7 292 uint32_t core_util_atomic_decr_u32(uint32_t *valuePtr, uint32_t delta)
<> 144:ef7eb2e8f9f7 293 {
<> 144:ef7eb2e8f9f7 294 uint32_t newValue;
<> 144:ef7eb2e8f9f7 295 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 296 newValue = *valuePtr - delta;
<> 144:ef7eb2e8f9f7 297 *valuePtr = newValue;
<> 144:ef7eb2e8f9f7 298 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 299 return newValue;
<> 144:ef7eb2e8f9f7 300 }
<> 144:ef7eb2e8f9f7 301
<> 144:ef7eb2e8f9f7 302 #endif
<> 144:ef7eb2e8f9f7 303
<> 144:ef7eb2e8f9f7 304
<> 144:ef7eb2e8f9f7 305 bool core_util_atomic_cas_ptr(void **ptr, void **expectedCurrentValue, void *desiredValue) {
<> 144:ef7eb2e8f9f7 306 return core_util_atomic_cas_u32(
<> 144:ef7eb2e8f9f7 307 (uint32_t *)ptr,
<> 144:ef7eb2e8f9f7 308 (uint32_t *)expectedCurrentValue,
<> 144:ef7eb2e8f9f7 309 (uint32_t)desiredValue);
<> 144:ef7eb2e8f9f7 310 }
<> 144:ef7eb2e8f9f7 311
<> 144:ef7eb2e8f9f7 312 void *core_util_atomic_incr_ptr(void **valuePtr, ptrdiff_t delta) {
<> 144:ef7eb2e8f9f7 313 return (void *)core_util_atomic_incr_u32((uint32_t *)valuePtr, (uint32_t)delta);
<> 144:ef7eb2e8f9f7 314 }
<> 144:ef7eb2e8f9f7 315
<> 144:ef7eb2e8f9f7 316 void *core_util_atomic_decr_ptr(void **valuePtr, ptrdiff_t delta) {
<> 144:ef7eb2e8f9f7 317 return (void *)core_util_atomic_decr_u32((uint32_t *)valuePtr, (uint32_t)delta);
<> 144:ef7eb2e8f9f7 318 }
<> 144:ef7eb2e8f9f7 319