mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-09-01 11:53:53 -04:00
Re-sync with upstream and stripping away none kernel related.
This commit is contained in:
Yuhui Zheng
parent
9c0c37ab9b
commit
210b1ffcc8
13732 changed files with 49 additions and 7054697 deletions
126
portable/GCC/RL78/isr_support.h
Normal file
126
portable/GCC/RL78/isr_support.h
Normal file
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@ -0,0 +1,126 @@
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/*
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* FreeRTOS Kernel V10.3.0
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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/* Variables used by scheduler */
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.extern _pxCurrentTCB
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.extern _usCriticalNesting
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/*
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* portSAVE_CONTEXT MACRO
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* Saves the context of the general purpose registers, CS and ES (only in far
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* memory mode) registers the usCriticalNesting Value and the Stack Pointer
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* of the active Task onto the task stack
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*/
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.macro portSAVE_CONTEXT
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SEL RB0
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/* Save AX Register to stack. */
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PUSH AX
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PUSH HL
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/* Save CS register. */
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MOV A, CS
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XCH A, X
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/* Save ES register. */
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MOV A, ES
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PUSH AX
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/* Save the remaining general purpose registers from bank 0. */
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PUSH DE
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PUSH BC
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/* Save the other register banks - only necessary in the GCC port. */
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SEL RB1
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PUSH AX
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PUSH BC
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PUSH DE
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PUSH HL
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SEL RB2
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PUSH AX
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PUSH BC
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PUSH DE
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PUSH HL
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/* Registers in bank 3 are for ISR use only so don't need saving. */
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SEL RB0
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/* Save the usCriticalNesting value. */
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MOVW AX, !_usCriticalNesting
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PUSH AX
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/* Save the Stack pointer. */
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MOVW AX, !_pxCurrentTCB
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MOVW HL, AX
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MOVW AX, SP
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MOVW [HL], AX
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/* Switch stack pointers. */
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movw sp,#_stack /* Set stack pointer */
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.endm
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/*
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* portRESTORE_CONTEXT MACRO
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* Restores the task Stack Pointer then use this to restore usCriticalNesting,
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* general purpose registers and the CS and ES (only in far memory mode)
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* of the selected task from the task stack
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*/
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.macro portRESTORE_CONTEXT MACRO
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SEL RB0
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/* Restore the Stack pointer. */
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MOVW AX, !_pxCurrentTCB
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MOVW HL, AX
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MOVW AX, [HL]
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MOVW SP, AX
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/* Restore usCriticalNesting value. */
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POP AX
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MOVW !_usCriticalNesting, AX
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/* Restore the alternative register banks - only necessary in the GCC
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port. Register bank 3 is dedicated for interrupts use so is not saved or
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restored. */
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SEL RB2
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POP HL
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POP DE
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POP BC
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POP AX
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SEL RB1
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POP HL
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POP DE
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POP BC
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POP AX
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SEL RB0
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/* Restore the necessary general purpose registers. */
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POP BC
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POP DE
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/* Restore the ES register. */
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POP AX
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MOV ES, A
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/* Restore the CS register. */
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XCH A, X
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MOV CS, A
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/* Restore general purpose register HL. */
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POP HL
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/* Restore AX. */
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POP AX
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.endm
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211
portable/GCC/RL78/port.c
Normal file
211
portable/GCC/RL78/port.c
Normal file
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@ -0,0 +1,211 @@
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/*
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||||
* FreeRTOS Kernel V10.3.0
|
||||
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* http://www.FreeRTOS.org
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||||
* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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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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/* The critical nesting value is initialised to a non zero value to ensure
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interrupts don't accidentally become enabled before the scheduler is started. */
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#define portINITIAL_CRITICAL_NESTING ( ( uint16_t ) 10 )
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/* Initial PSW value allocated to a newly created task.
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* 11000110
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* ||||||||-------------- Fill byte
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* |||||||--------------- Carry Flag cleared
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* |||||----------------- In-service priority Flags set to low level
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* ||||------------------ Register bank Select 0 Flag cleared
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* |||------------------- Auxiliary Carry Flag cleared
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* ||-------------------- Register bank Select 1 Flag cleared
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* |--------------------- Zero Flag set
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* ---------------------- Global Interrupt Flag set (enabled)
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*/
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#define portPSW ( 0xc6UL )
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/* Each task maintains a count of the critical section nesting depth. Each time
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a critical section is entered the count is incremented. Each time a critical
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section is exited the count is decremented - with interrupts only being
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re-enabled if the count is zero.
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usCriticalNesting will get set to zero when the scheduler starts, but must
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not be initialised to zero as that could cause problems during the startup
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sequence. */
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volatile uint16_t usCriticalNesting = portINITIAL_CRITICAL_NESTING;
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/*-----------------------------------------------------------*/
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/*
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* Sets up the periodic ISR used for the RTOS tick.
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*/
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__attribute__((weak)) void vApplicationSetupTimerInterrupt( void );
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/*
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* Starts the scheduler by loading the context of the first task to run.
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* (defined in portasm.S).
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*/
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extern void vPortStartFirstTask( void );
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/*-----------------------------------------------------------*/
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/*
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* Initialise the stack of a task to look exactly as if a call to
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* portSAVE_CONTEXT had been called.
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*
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* See the header file portable.h.
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*/
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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
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{
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uint32_t *pulLocal;
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/* Stack type and pointers to the stack type are both 2 bytes. */
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/* Parameters are passed in on the stack, and written using a 32bit value
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hence a space is left for the second two bytes. */
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pxTopOfStack--;
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/* Write in the parameter value. */
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pulLocal = ( uint32_t * ) pxTopOfStack;
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*pulLocal = ( StackType_t ) pvParameters;
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pxTopOfStack--;
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/* The return address, leaving space for the first two bytes of the
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32-bit value. */
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pxTopOfStack--;
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pulLocal = ( uint32_t * ) pxTopOfStack;
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*pulLocal = ( uint32_t ) 0;
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pxTopOfStack--;
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/* The start address / PSW value is also written in as a 32bit value,
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so leave a space for the second two bytes. */
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pxTopOfStack--;
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/* Task function start address combined with the PSW. */
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pulLocal = ( uint32_t * ) pxTopOfStack;
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*pulLocal = ( ( ( uint32_t ) pxCode ) | ( portPSW << 24UL ) );
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pxTopOfStack--;
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/* An initial value for the AX register. */
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*pxTopOfStack = ( StackType_t ) 0x1111;
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pxTopOfStack--;
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/* An initial value for the HL register. */
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*pxTopOfStack = ( StackType_t ) 0x2222;
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pxTopOfStack--;
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/* CS and ES registers. */
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*pxTopOfStack = ( StackType_t ) 0x0F00;
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pxTopOfStack--;
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/* The remaining general purpose registers bank 0 (DE and BC) and the other
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two register banks...register bank 3 is dedicated for use by interrupts so
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is not saved as part of the task context. */
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pxTopOfStack -= 10;
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/* Finally the critical section nesting count is set to zero when the task
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first starts. */
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*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
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/* Return a pointer to the top of the stack that has beene generated so it
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can be stored in the task control block for the task. */
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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portBASE_TYPE xPortStartScheduler( void )
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{
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/* Setup the hardware to generate the tick. Interrupts are disabled when
|
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this function is called. */
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vApplicationSetupTimerInterrupt();
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/* Restore the context of the first task that is going to run. */
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vPortStartFirstTask();
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/* Execution should not reach here as the tasks are now running! */
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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 RL78 port will get stopped. */
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}
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/*-----------------------------------------------------------*/
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__attribute__((weak)) void vApplicationSetupTimerInterrupt( void )
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{
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const uint16_t usClockHz = 15000UL; /* Internal clock. */
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const uint16_t usCompareMatch = ( usClockHz / configTICK_RATE_HZ ) + 1UL;
|
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|
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/* Use the internal 15K clock. */
|
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OSMC = ( unsigned char ) 0x16;
|
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|
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#ifdef RTCEN
|
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{
|
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/* Supply the interval timer clock. */
|
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RTCEN = ( unsigned char ) 1U;
|
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|
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/* Disable INTIT interrupt. */
|
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ITMK = ( unsigned char ) 1;
|
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|
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/* Disable ITMC operation. */
|
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ITMC = ( unsigned char ) 0x0000;
|
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|
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/* Clear INIT interrupt. */
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ITIF = ( unsigned char ) 0;
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/* Set interval and enable interrupt operation. */
|
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ITMC = usCompareMatch | 0x8000U;
|
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|
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/* Enable INTIT interrupt. */
|
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ITMK = ( unsigned char ) 0;
|
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}
|
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#endif
|
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|
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#ifdef TMKAEN
|
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{
|
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/* Supply the interval timer clock. */
|
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TMKAEN = ( unsigned char ) 1U;
|
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|
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/* Disable INTIT interrupt. */
|
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TMKAMK = ( unsigned char ) 1;
|
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|
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/* Disable ITMC operation. */
|
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ITMC = ( unsigned char ) 0x0000;
|
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|
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/* Clear INIT interrupt. */
|
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TMKAIF = ( unsigned char ) 0;
|
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|
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/* Set interval and enable interrupt operation. */
|
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ITMC = usCompareMatch | 0x8000U;
|
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|
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/* Enable INTIT interrupt. */
|
||||
TMKAMK = ( unsigned char ) 0;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
80
portable/GCC/RL78/portasm.S
Normal file
80
portable/GCC/RL78/portasm.S
Normal file
|
|
@ -0,0 +1,80 @@
|
|||
/*
|
||||
* FreeRTOS Kernel V10.3.0
|
||||
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* http://www.FreeRTOS.org
|
||||
* http://aws.amazon.com/freertos
|
||||
*
|
||||
* 1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
#include "FreeRTOSConfig.h"
|
||||
#include "ISR_Support.h"
|
||||
|
||||
.global _vPortYield
|
||||
.global _vPortStartFirstTask
|
||||
.global _vPortTickISR
|
||||
|
||||
.extern _vTaskSwitchContext
|
||||
.extern _xTaskIncrementTick
|
||||
|
||||
.text
|
||||
.align 2
|
||||
|
||||
/* FreeRTOS yield handler. This is installed as the BRK software interrupt
|
||||
handler. */
|
||||
_vPortYield:
|
||||
/* Save the context of the current task. */
|
||||
portSAVE_CONTEXT
|
||||
/* Call the scheduler to select the next task. */
|
||||
call !!_vTaskSwitchContext
|
||||
/* Restore the context of the next task to run. */
|
||||
portRESTORE_CONTEXT
|
||||
retb
|
||||
|
||||
|
||||
/* Starts the scheduler by restoring the context of the task that will execute
|
||||
first. */
|
||||
.align 2
|
||||
_vPortStartFirstTask:
|
||||
/* Restore the context of whichever task will execute first. */
|
||||
portRESTORE_CONTEXT
|
||||
/* An interrupt stack frame is used so the task is started using RETI. */
|
||||
reti
|
||||
|
||||
/* FreeRTOS tick handler. This is installed as the interval timer interrupt
|
||||
handler. */
|
||||
.align 2
|
||||
_vPortTickISR:
|
||||
|
||||
/* Save the context of the currently executing task. */
|
||||
portSAVE_CONTEXT
|
||||
/* Call the RTOS tick function. */
|
||||
call !!_xTaskIncrementTick
|
||||
#if configUSE_PREEMPTION == 1
|
||||
/* Select the next task to run. */
|
||||
call !!_vTaskSwitchContext
|
||||
#endif
|
||||
/* Retore the context of whichever task will run next. */
|
||||
portRESTORE_CONTEXT
|
||||
reti
|
||||
|
||||
.end
|
||||
|
||||
121
portable/GCC/RL78/portmacro.h
Normal file
121
portable/GCC/RL78/portmacro.h
Normal file
|
|
@ -0,0 +1,121 @@
|
|||
/*
|
||||
* FreeRTOS Kernel V10.3.0
|
||||
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* http://www.FreeRTOS.org
|
||||
* http://aws.amazon.com/freertos
|
||||
*
|
||||
* 1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
*
|
||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
||||
*
|
||||
* These settings should not be altered.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Type definitions. */
|
||||
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE uint16_t
|
||||
#define portBASE_TYPE short
|
||||
#define portPOINTER_SIZE_TYPE uint16_t
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short UBaseType_t;
|
||||
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Interrupt control macros. */
|
||||
#define portDISABLE_INTERRUPTS() __asm volatile ( "DI" )
|
||||
#define portENABLE_INTERRUPTS() __asm volatile ( "EI" )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section control macros. */
|
||||
#define portNO_CRITICAL_SECTION_NESTING ( ( unsigned short ) 0 )
|
||||
|
||||
#define portENTER_CRITICAL() \
|
||||
{ \
|
||||
extern volatile uint16_t usCriticalNesting; \
|
||||
\
|
||||
portDISABLE_INTERRUPTS(); \
|
||||
\
|
||||
/* Now interrupts are disabled ulCriticalNesting can be accessed */ \
|
||||
/* directly. Increment ulCriticalNesting to keep a count of how many */ \
|
||||
/* times portENTER_CRITICAL() has been called. */ \
|
||||
usCriticalNesting++; \
|
||||
}
|
||||
|
||||
#define portEXIT_CRITICAL() \
|
||||
{ \
|
||||
extern volatile uint16_t usCriticalNesting; \
|
||||
\
|
||||
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
|
||||
{ \
|
||||
/* Decrement the nesting count as we are leaving a critical section. */ \
|
||||
usCriticalNesting--; \
|
||||
\
|
||||
/* If the nesting level has reached zero then interrupts should be */ \
|
||||
/* re-enabled. */ \
|
||||
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
|
||||
{ \
|
||||
portENABLE_INTERRUPTS(); \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task utilities. */
|
||||
#define portYIELD() __asm volatile ( "BRK" )
|
||||
#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()
|
||||
#define portNOP() __asm volatile ( "NOP" )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardwware specifics. */
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue