Moved proj up
This commit is contained in:
Timo Niemann
@@ -0,0 +1,304 @@
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/*
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* FreeRTOS Kernel V11.3.0
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. 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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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the H8S port.
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*----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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/* When the task starts interrupts should be enabled. */
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#define portINITIAL_CCR ( ( StackType_t ) 0x00 )
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/* Hardware specific constants used to generate the RTOS tick from the TPU. */
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#define portCLEAR_ON_TGRA_COMPARE_MATCH ( ( uint8_t ) 0x20 )
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#define portCLOCK_DIV_64 ( ( uint8_t ) 0x03 )
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#define portCLOCK_DIV ( ( uint32_t ) 64 )
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#define portTGRA_INTERRUPT_ENABLE ( ( uint8_t ) 0x01 )
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#define portTIMER_CHANNEL ( ( uint8_t ) 0x02 )
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#define portMSTP13 ( ( uint16_t ) 0x2000 )
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/*
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* Setup TPU channel one for the RTOS tick at the requested frequency.
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*/
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static void prvSetupTimerInterrupt( void );
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/*
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* The ISR used by portYIELD(). This is installed as a trap handler.
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*/
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void vPortYield( void ) __attribute__( ( saveall, interrupt_handler ) );
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/*-----------------------------------------------------------*/
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/*
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* See header file for description.
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*/
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StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
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TaskFunction_t pxCode,
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void * pvParameters )
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{
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uint32_t ulValue;
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/* This requires an even address. */
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ulValue = ( uint32_t ) pxTopOfStack;
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if( ulValue & 1UL )
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{
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pxTopOfStack = pxTopOfStack - 1;
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}
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/* Place a few bytes of known values on the bottom of the stack.
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* This is just useful for debugging. */
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pxTopOfStack--;
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*pxTopOfStack = 0xaa;
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pxTopOfStack--;
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*pxTopOfStack = 0xbb;
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pxTopOfStack--;
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*pxTopOfStack = 0xcc;
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pxTopOfStack--;
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*pxTopOfStack = 0xdd;
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/* The initial stack mimics an interrupt stack. First there is the program
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* counter (24 bits). */
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ulValue = ( uint32_t ) pxCode;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) ( ulValue & 0xff );
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pxTopOfStack--;
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ulValue >>= 8UL;
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*pxTopOfStack = ( StackType_t ) ( ulValue & 0xff );
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pxTopOfStack--;
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ulValue >>= 8UL;
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*pxTopOfStack = ( StackType_t ) ( ulValue & 0xff );
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/* Followed by the CCR. */
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pxTopOfStack--;
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*pxTopOfStack = portINITIAL_CCR;
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/* Next all the general purpose registers - with the parameters being passed
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* in ER0. The parameter order must match that used by the compiler when the
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* "saveall" function attribute is used. */
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/* ER6 */
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pxTopOfStack--;
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*pxTopOfStack = 0x66;
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pxTopOfStack--;
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*pxTopOfStack = 0x66;
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pxTopOfStack--;
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*pxTopOfStack = 0x66;
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pxTopOfStack--;
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*pxTopOfStack = 0x66;
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/* ER0 */
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ulValue = ( uint32_t ) pvParameters;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) ( ulValue & 0xff );
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pxTopOfStack--;
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ulValue >>= 8UL;
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*pxTopOfStack = ( StackType_t ) ( ulValue & 0xff );
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pxTopOfStack--;
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ulValue >>= 8UL;
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*pxTopOfStack = ( StackType_t ) ( ulValue & 0xff );
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pxTopOfStack--;
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ulValue >>= 8UL;
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*pxTopOfStack = ( StackType_t ) ( ulValue & 0xff );
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/* ER1 */
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pxTopOfStack--;
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*pxTopOfStack = 0x11;
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pxTopOfStack--;
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*pxTopOfStack = 0x11;
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pxTopOfStack--;
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*pxTopOfStack = 0x11;
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pxTopOfStack--;
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*pxTopOfStack = 0x11;
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/* ER2 */
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pxTopOfStack--;
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*pxTopOfStack = 0x22;
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pxTopOfStack--;
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*pxTopOfStack = 0x22;
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pxTopOfStack--;
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*pxTopOfStack = 0x22;
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pxTopOfStack--;
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*pxTopOfStack = 0x22;
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/* ER3 */
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pxTopOfStack--;
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*pxTopOfStack = 0x33;
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pxTopOfStack--;
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*pxTopOfStack = 0x33;
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pxTopOfStack--;
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*pxTopOfStack = 0x33;
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pxTopOfStack--;
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*pxTopOfStack = 0x33;
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/* ER4 */
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pxTopOfStack--;
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*pxTopOfStack = 0x44;
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pxTopOfStack--;
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*pxTopOfStack = 0x44;
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pxTopOfStack--;
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*pxTopOfStack = 0x44;
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pxTopOfStack--;
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*pxTopOfStack = 0x44;
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/* ER5 */
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pxTopOfStack--;
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*pxTopOfStack = 0x55;
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pxTopOfStack--;
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*pxTopOfStack = 0x55;
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pxTopOfStack--;
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*pxTopOfStack = 0x55;
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pxTopOfStack--;
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*pxTopOfStack = 0x55;
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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BaseType_t xPortStartScheduler( void )
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{
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extern void * pxCurrentTCB;
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/* Setup the hardware to generate the tick. */
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prvSetupTimerInterrupt();
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/* Restore the context of the first task that is going to run. This
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* mirrors the function epilogue code generated by the compiler when the
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* "saveall" function attribute is used. */
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asm volatile (
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"MOV.L @_pxCurrentTCB, ER6 \n\t"
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"MOV.L @ER6, ER7 \n\t"
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"LDM.L @SP+, (ER4-ER5) \n\t"
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"LDM.L @SP+, (ER0-ER3) \n\t"
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"MOV.L @ER7+, ER6 \n\t"
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"RTE \n\t"
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);
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( void ) pxCurrentTCB;
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/* Should not get here. */
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return pdTRUE;
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* It is unlikely that the h8 port will get stopped. */
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}
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/*-----------------------------------------------------------*/
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/*
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* Manual context switch. This is a trap handler. The "saveall" function
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* attribute is used so the context is saved by the compiler prologue. All
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* we have to do is save the stack pointer.
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*/
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void vPortYield( void )
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{
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portSAVE_STACK_POINTER();
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vTaskSwitchContext();
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portRESTORE_STACK_POINTER();
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}
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/*-----------------------------------------------------------*/
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/*
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* The interrupt handler installed for the RTOS tick depends on whether the
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* preemptive or cooperative scheduler is being used.
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*/
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#if ( configUSE_PREEMPTION == 1 )
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/*
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* The preemptive scheduler is used so the ISR calls vTaskSwitchContext().
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* The function prologue saves the context so all we have to do is save
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* the stack pointer.
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*/
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void vTickISR( void ) __attribute__( ( saveall, interrupt_handler ) );
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void vTickISR( void )
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{
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portSAVE_STACK_POINTER();
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if( xTaskIncrementTick() != pdFALSE )
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{
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vTaskSwitchContext();
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}
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/* Clear the interrupt. */
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TSR1 &= ~0x01;
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portRESTORE_STACK_POINTER();
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}
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#else /* if ( configUSE_PREEMPTION == 1 ) */
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/*
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* The cooperative scheduler is being used so all we have to do is
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* periodically increment the tick. This can just be a normal ISR and
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* the "saveall" attribute is not required.
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*/
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void vTickISR( void ) __attribute__( ( interrupt_handler ) );
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void vTickISR( void )
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{
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xTaskIncrementTick();
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/* Clear the interrupt. */
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TSR1 &= ~0x01;
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}
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#endif /* if ( configUSE_PREEMPTION == 1 ) */
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/*-----------------------------------------------------------*/
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/*
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* Setup timer 1 compare match to generate a tick interrupt.
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*/
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static void prvSetupTimerInterrupt( void )
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{
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const uint32_t ulCompareMatch = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) / portCLOCK_DIV;
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/* Turn the module on. */
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MSTPCR &= ~portMSTP13;
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/* Configure timer 1. */
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TCR1 = portCLEAR_ON_TGRA_COMPARE_MATCH | portCLOCK_DIV_64;
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/* Configure the compare match value for a tick of configTICK_RATE_HZ. */
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TGR1A = ulCompareMatch;
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/* Start the timer and enable the interrupt - we can do this here as
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* interrupts are globally disabled when this function is called. */
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TIER1 |= portTGRA_INTERRUPT_ENABLE;
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TSTR |= portTIMER_CHANNEL;
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}
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/*-----------------------------------------------------------*/
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@@ -0,0 +1,145 @@
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/*
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* FreeRTOS Kernel V11.3.0
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. 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,
|
||||
* subject to the following conditions:
|
||||
*
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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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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* 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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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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/* *INDENT-OFF* */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* *INDENT-ON* */
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/*-----------------------------------------------------------
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* Port specific definitions.
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*
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* The settings in this file configure FreeRTOS correctly for the
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* given hardware and compiler.
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*
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* These settings should not be altered.
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*-----------------------------------------------------------
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*/
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE uint8_t
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#define portBASE_TYPE char
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typedef portSTACK_TYPE StackType_t;
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typedef signed char BaseType_t;
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typedef unsigned char UBaseType_t;
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#if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
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typedef uint16_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffff
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#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) ( 0xFFFFFFFFUL )
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#else
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#error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
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#endif
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/*-----------------------------------------------------------*/
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/* Hardware specifics. */
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#define portBYTE_ALIGNMENT 2
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portYIELD() asm volatile ( "TRAPA #0" )
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#define portNOP() asm volatile ( "NOP" )
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/*-----------------------------------------------------------*/
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/* Critical section handling. */
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#define portENABLE_INTERRUPTS() asm volatile ( "ANDC #0x7F, CCR" );
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#define portDISABLE_INTERRUPTS() asm volatile ( "ORC #0x80, CCR" );
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/* Push the CCR then disable interrupts. */
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#define portENTER_CRITICAL() \
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asm volatile ( "STC CCR, @-ER7" ); \
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portDISABLE_INTERRUPTS();
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/* Pop the CCR to set the interrupt masking back to its previous state. */
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#define portEXIT_CRITICAL() asm volatile ( "LDC @ER7+, CCR" );
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/*-----------------------------------------------------------*/
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/* Task utilities. */
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/* Context switch macros. These macros are very simple as the context
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* is saved simply by selecting the saveall attribute of the context switch
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* interrupt service routines. These macros save and restore the stack
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* pointer to the TCB. */
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#define portSAVE_STACK_POINTER() \
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extern void * pxCurrentTCB; \
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\
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asm volatile ( \
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"MOV.L @_pxCurrentTCB, ER5 \n\t" \
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"MOV.L ER7, @ER5 \n\t" \
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); \
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( void ) pxCurrentTCB;
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#define portRESTORE_STACK_POINTER() \
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extern void * pxCurrentTCB; \
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\
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asm volatile ( \
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"MOV.L @_pxCurrentTCB, ER5 \n\t" \
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"MOV.L @ER5, ER7 \n\t" \
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); \
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( void ) pxCurrentTCB;
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/*-----------------------------------------------------------*/
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/* Macros to allow a context switch from within an application ISR. */
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#define portENTER_SWITCHING_ISR() portSAVE_STACK_POINTER(); {
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#define portEXIT_SWITCHING_ISR( x ) \
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if( x ) \
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{ \
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extern void vTaskSwitchContext( void ); \
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vTaskSwitchContext(); \
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} \
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} \
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portRESTORE_STACK_POINTER();
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/*-----------------------------------------------------------*/
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
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/* *INDENT-OFF* */
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#ifdef __cplusplus
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}
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#endif
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/* *INDENT-ON* */
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#endif /* PORTMACRO_H */
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