mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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989bc332b2
* Add XMOS XCore ports Some minor modifications are also made to the kernel to support the XCore compiler's automatic stack size calculation. * Update kernel to support SMP The XMOS XCore ports are also updated to support SMP. * Fix compiler warnings in xcore ports The port set and clear interrupt mask from ISR macros were removed from the ports so that the default macros found in FreeRTOS.h are used instead. The default macros do not result in warnings when they are used. * Remove inline function from timers.h Inline function converted to macro. This should now build when optimizations are off and inlining is disabled. * Fix compiler warnings in xcore ports and tasks.c * fixed documentation for ulTaskNotifyTake() and ulTaskNotifyTakeIndexed() * spelling fixes for tasks.c Co-authored-by: Michael Bruno <mikeb@xmos.com>
114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
/*
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* FreeRTOS Kernel V10.4.3
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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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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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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* 1 tab == 4 spaces!
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*/
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#ifndef __PORT_ASM_H__
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#define __PORT_ASM_H__
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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/* MPU wrappers includes. */
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#include "mpu_wrappers.h"
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/**
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* @brief Restore the context of the first task so that the first task starts
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* executing.
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*/
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void vRestoreContextOfFirstTask( void ) __attribute__( ( naked ) ) PRIVILEGED_FUNCTION;
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/**
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* @brief Checks whether or not the processor is privileged.
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*
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* @return 1 if the processor is already privileged, 0 otherwise.
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*/
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BaseType_t xIsPrivileged( void ) __attribute__( ( naked ) );
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/**
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* @brief Raises the privilege level by clearing the bit 0 of the CONTROL
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* register.
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*
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* @note This is a privileged function and should only be called from the kenrel
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* code.
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*
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* Bit 0 of the CONTROL register defines the privilege level of Thread Mode.
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* Bit[0] = 0 --> The processor is running privileged
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* Bit[0] = 1 --> The processor is running unprivileged.
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*/
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void vRaisePrivilege( void ) __attribute__( ( naked ) ) PRIVILEGED_FUNCTION;
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/**
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* @brief Lowers the privilege level by setting the bit 0 of the CONTROL
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* register.
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*
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* Bit 0 of the CONTROL register defines the privilege level of Thread Mode.
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* Bit[0] = 0 --> The processor is running privileged
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* Bit[0] = 1 --> The processor is running unprivileged.
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*/
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void vResetPrivilege( void ) __attribute__( ( naked ) );
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/**
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* @brief Starts the first task.
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*/
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void vStartFirstTask( void ) __attribute__( ( naked ) ) PRIVILEGED_FUNCTION;
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/**
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* @brief Disables interrupts.
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*/
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uint32_t ulSetInterruptMask( void ) __attribute__( ( naked ) ) PRIVILEGED_FUNCTION;
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/**
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* @brief Enables interrupts.
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*/
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void vClearInterruptMask( uint32_t ulMask ) __attribute__( ( naked ) ) PRIVILEGED_FUNCTION;
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/**
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* @brief PendSV Exception handler.
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*/
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void PendSV_Handler( void ) __attribute__( ( naked ) ) PRIVILEGED_FUNCTION;
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/**
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* @brief SVC Handler.
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*/
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void SVC_Handler( void ) __attribute__( ( naked ) ) PRIVILEGED_FUNCTION;
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/**
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* @brief Allocate a Secure context for the calling task.
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*
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* @param[in] ulSecureStackSize The size of the stack to be allocated on the
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* secure side for the calling task.
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*/
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void vPortAllocateSecureContext( uint32_t ulSecureStackSize ) __attribute__( ( naked ) );
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/**
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* @brief Free the task's secure context.
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*
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* @param[in] pulTCB Pointer to the Task Control Block (TCB) of the task.
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*/
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void vPortFreeSecureContext( uint32_t * pulTCB ) __attribute__( ( naked ) ) PRIVILEGED_FUNCTION;
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#endif /* __PORT_ASM_H__ */
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