| /* |
| * FreeRTOS Kernel <DEVELOPMENT BRANCH> |
| * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy of |
| * this software and associated documentation files (the "Software"), to deal in |
| * the Software without restriction, including without limitation the rights to |
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
| * the Software, and to permit persons to whom the Software is furnished to do so, |
| * subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
| * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
| * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * https://www.FreeRTOS.org |
| * https://github.com/FreeRTOS |
| * |
| */ |
| |
| #ifndef INC_PICOLIBC_FREERTOS_H |
| #define INC_PICOLIBC_FREERTOS_H |
| |
| /* Use picolibc TLS support to allocate space for __thread variables, |
| * initialize them at thread creation and set the TLS context at |
| * thread switch time. |
| * |
| * See the picolibc TLS docs: |
| * https://github.com/picolibc/picolibc/blob/main/doc/tls.md |
| * for additional information. */ |
| |
| #include <picotls.h> |
| |
| #define configUSE_C_RUNTIME_TLS_SUPPORT 1 |
| |
| #define configTLS_BLOCK_TYPE void * |
| |
| /* Allocate thread local storage block off the end of the |
| * stack. The _tls_size() function returns the size (in |
| * bytes) of the total TLS area used by the application */ |
| #if ( portSTACK_GROWTH < 0 ) |
| #define configINIT_TLS_BLOCK( xTLSBlock, pxTopOfStack ) \ |
| do { \ |
| pxTopOfStack = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) - _tls_size() ); \ |
| xTLSBlock = pxTopOfStack; \ |
| _init_tls( xTLSBlock ); \ |
| } while( 0 ) |
| #else /* portSTACK_GROWTH */ |
| #define configINIT_TLS_BLOCK( xTLSBlock, pxTopOfStack ) \ |
| do { \ |
| xTLSBlock = pxTopOfStack; \ |
| pxTopOfStack = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) + _tls_size() ); \ |
| _init_tls( xTLSBlock ); \ |
| } while( 0 ) |
| #endif /* portSTACK_GROWTH */ |
| |
| #define configSET_TLS_BLOCK( xTLSBlock ) _set_tls( xTLSBlock ) |
| |
| #define configDEINIT_TLS_BLOCK( xTLSBlock ) |
| |
| #endif /* INC_PICOLIBC_FREERTOS_H */ |