Paul Bartell | 01820d3 | 2022-11-29 10:36:04 -0800 | [diff] [blame] | 1 | /* |
| 2 | * FreeRTOS Kernel <DEVELOPMENT BRANCH> |
Soren Ptak | 839ccb7 | 2024-02-26 12:26:42 -0500 | [diff] [blame] | 3 | * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
Paul Bartell | 01820d3 | 2022-11-29 10:36:04 -0800 | [diff] [blame] | 4 | * |
| 5 | * SPDX-License-Identifier: MIT |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy of |
| 8 | * this software and associated documentation files (the "Software"), to deal in |
| 9 | * the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
| 11 | * the Software, and to permit persons to whom the Software is furnished to do so, |
| 12 | * subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included in all |
| 15 | * copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
| 19 | * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
| 20 | * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| 21 | * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * https://www.FreeRTOS.org |
| 25 | * https://github.com/FreeRTOS |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | |
| 30 | /* |
| 31 | * Implementation of pvPortMalloc() and vPortFree() that relies on the |
| 32 | * compilers own malloc() and free() implementations. |
| 33 | * |
| 34 | * This file can only be used if the linker is configured to to generate |
| 35 | * a heap memory area. |
| 36 | * |
| 37 | * See heap_1.c, heap_2.c and heap_4.c for alternative implementations, and the |
| 38 | * memory management pages of https://www.FreeRTOS.org for more information. |
| 39 | */ |
| 40 | |
| 41 | #include <stdlib.h> |
| 42 | |
| 43 | /* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining |
| 44 | * all the API functions to use the MPU wrappers. That should only be done when |
| 45 | * task.h is included from an application file. */ |
| 46 | #define MPU_WRAPPERS_INCLUDED_FROM_API_FILE |
| 47 | |
| 48 | #include "FreeRTOS.h" |
| 49 | #include "task.h" |
| 50 | |
| 51 | #undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE |
| 52 | |
| 53 | #if ( configSUPPORT_DYNAMIC_ALLOCATION == 0 ) |
| 54 | #error This file must not be used if configSUPPORT_DYNAMIC_ALLOCATION is 0 |
| 55 | #endif |
| 56 | |
| 57 | /*-----------------------------------------------------------*/ |
| 58 | |
| 59 | void * pvPortMalloc( size_t xWantedSize ) |
| 60 | { |
| 61 | void * pvReturn; |
| 62 | |
| 63 | vTaskSuspendAll(); |
| 64 | { |
| 65 | pvReturn = malloc( xWantedSize ); |
| 66 | traceMALLOC( pvReturn, xWantedSize ); |
| 67 | } |
| 68 | ( void ) xTaskResumeAll(); |
| 69 | |
| 70 | #if ( configUSE_MALLOC_FAILED_HOOK == 1 ) |
| 71 | { |
| 72 | if( pvReturn == NULL ) |
| 73 | { |
| 74 | vApplicationMallocFailedHook(); |
| 75 | } |
| 76 | } |
| 77 | #endif |
| 78 | |
| 79 | return pvReturn; |
| 80 | } |
| 81 | /*-----------------------------------------------------------*/ |
| 82 | |
| 83 | void vPortFree( void * pv ) |
| 84 | { |
| 85 | if( pv != NULL ) |
| 86 | { |
| 87 | vTaskSuspendAll(); |
| 88 | { |
| 89 | free( pv ); |
| 90 | traceFREE( pv, 0 ); |
| 91 | } |
| 92 | ( void ) xTaskResumeAll(); |
| 93 | } |
| 94 | } |
chinglee-iot | 1a500f1 | 2024-02-19 14:39:31 +0800 | [diff] [blame] | 95 | /*-----------------------------------------------------------*/ |
| 96 | |
| 97 | /* |
| 98 | * Reset the state in this file. This state is normally initialized at start up. |
| 99 | * This function must be called by the application before restarting the |
| 100 | * scheduler. |
| 101 | */ |
| 102 | void vPortHeapResetState( void ) |
| 103 | { |
| 104 | /* No state needs to be re-initialised in heap_3. */ |
| 105 | } |
| 106 | /*-----------------------------------------------------------*/ |