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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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030e76681b
* Extend support to Arm Cortex-M85 Signed-off-by: Gabor Toth <gabor.toth@arm.com> Change-Id: I679ba8e193638126b683b651513f08df445f9fe6 * Add generated Cortex-M85 support files Signed-off-by: Gabor Toth <gabor.toth@arm.com> Change-Id: Ib329d88623c2936ffe3e9a24f5d6e07655e4e5c8 * Extend Trusted Firmware M port Extend Trusted Firmware M port to Cortex-M23, Cortex-M55 and Cortex-M85. Signed-off-by: Gabor Toth <gabor.toth@arm.com> Change-Id: If8f1081acfd04e547b3227579e70e355a6adffe3 * Re-run copy_files.py script Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> Signed-off-by: Gabor Toth <gabor.toth@arm.com> Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com> Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com>
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*
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* Copyright (c) 2019-2020, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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/*
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* This file contains the implementation of APIs which are defined in
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* os_wrapper/mutex.h by TF-M(tag: TF-Mv1.1). The implementation is based
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* on FreeRTOS mutex type semaphore.
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*/
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#include "os_wrapper/mutex.h"
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#include "FreeRTOS.h"
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#include "semphr.h"
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#include "mpu_wrappers.h"
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#if( configSUPPORT_STATIC_ALLOCATION == 1 )
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/*
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* In the static allocation, the RAM is required to hold the semaphore's
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* state.
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*/
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StaticSemaphore_t xSecureMutexBuffer;
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#endif
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void * os_wrapper_mutex_create( void )
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{
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SemaphoreHandle_t xMutexHandle = NULL;
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#if( configSUPPORT_DYNAMIC_ALLOCATION == 1 )
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xMutexHandle = xSemaphoreCreateMutex();
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#elif( configSUPPORT_STATIC_ALLOCATION == 1 )
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xMutexHandle = xSemaphoreCreateMutexStatic( &xSecureMutexBuffer );
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#endif
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return ( void * ) xMutexHandle;
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}
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/*-----------------------------------------------------------*/
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uint32_t os_wrapper_mutex_acquire( void * handle, uint32_t timeout )
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{
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BaseType_t xRet;
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if( ! handle )
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return OS_WRAPPER_ERROR;
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xRet = xSemaphoreTake( ( SemaphoreHandle_t ) handle,
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( timeout == OS_WRAPPER_WAIT_FOREVER ) ?
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portMAX_DELAY : ( TickType_t ) timeout );
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if( xRet != pdPASS )
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return OS_WRAPPER_ERROR;
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else
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return OS_WRAPPER_SUCCESS;
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}
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/*-----------------------------------------------------------*/
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uint32_t os_wrapper_mutex_release( void * handle )
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{
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BaseType_t xRet;
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if( !handle )
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return OS_WRAPPER_ERROR;
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xRet = xSemaphoreGive( ( SemaphoreHandle_t ) handle );
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if( xRet != pdPASS )
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return OS_WRAPPER_ERROR;
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else
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return OS_WRAPPER_SUCCESS;
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}
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/*-----------------------------------------------------------*/
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uint32_t os_wrapper_mutex_delete( void * handle )
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{
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vSemaphoreDelete( ( SemaphoreHandle_t ) handle );
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return OS_WRAPPER_SUCCESS;
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}
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/*-----------------------------------------------------------*/
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