mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-09-01 20:03:50 -04:00
Update to MIT licensed FreeRTOS V10.0.0 - see https://www.freertos.org/History.txt
This commit is contained in:
Richard Barry
parent
e42a701e99
commit
cfc268814a
1862 changed files with 68735 additions and 205558 deletions
|
|
@ -1,56 +1,30 @@
|
|||
;/*
|
||||
; FreeRTOS V9.0.1 - Copyright (C) 2017 Real Time Engineers Ltd.
|
||||
; All rights reserved
|
||||
;
|
||||
;
|
||||
; ***************************************************************************
|
||||
; * *
|
||||
; * FreeRTOS tutorial books are available in pdf and paperback. *
|
||||
; * Complete, revised, and edited pdf reference manuals are also *
|
||||
; * available. *
|
||||
; * *
|
||||
; * Purchasing FreeRTOS documentation will not only help you, by *
|
||||
; * ensuring you get running as quickly as possible and with an *
|
||||
; * in-depth knowledge of how to use FreeRTOS, it will also help *
|
||||
; * the FreeRTOS project to continue with its mission of providing *
|
||||
; * professional grade, cross platform, de facto standard solutions *
|
||||
; * for microcontrollers - completely free of charge! *
|
||||
; * *
|
||||
; * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
|
||||
; * *
|
||||
; * Thank you for using FreeRTOS, and thank you for your support! *
|
||||
; * *
|
||||
; ***************************************************************************
|
||||
;
|
||||
;
|
||||
; This file is part of the FreeRTOS distribution.
|
||||
;
|
||||
; FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
; the terms of the GNU General Public License (version 2) as published by the
|
||||
; Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
||||
; >>>NOTE<<< The modification to the GPL is included to allow you to
|
||||
; distribute a combined work that includes FreeRTOS without being obliged to
|
||||
; provide the source code for proprietary components outside of the FreeRTOS
|
||||
; kernel. FreeRTOS is distributed in the hope that it will be useful, but
|
||||
; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
; more details. You should have received a copy of the GNU General Public
|
||||
; License and the FreeRTOS license exception along with FreeRTOS; if not it
|
||||
; can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
||||
; by writing to Richard Barry, contact details for whom are available on the
|
||||
; FreeRTOS WEB site.
|
||||
;
|
||||
; 1 tab == 4 spaces!
|
||||
;
|
||||
; http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||
; contact details.
|
||||
;
|
||||
; http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||
; critical systems.
|
||||
;
|
||||
; http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||
; licensing and training services.
|
||||
;*/
|
||||
; * FreeRTOS Kernel V10.0.0
|
||||
; * Copyright (C) 2017 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. If you wish to use our Amazon
|
||||
; * FreeRTOS name, please do so in a fair use way that does not cause confusion.
|
||||
; *
|
||||
; * 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 portmacro.inc
|
||||
|
||||
|
|
@ -73,7 +47,7 @@ T0MATCHBIT EQU 0x00000001
|
|||
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
; Starting the first task is done by just restoring the context
|
||||
; Starting the first task is done by just restoring the context
|
||||
; setup by pxPortInitialiseStack
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
vPortStartFirstTask
|
||||
|
|
@ -101,17 +75,17 @@ vPortYieldProcessor
|
|||
|
||||
PRESERVE8
|
||||
|
||||
; Within an IRQ ISR the link register has an offset from the true return
|
||||
; address, but an SWI ISR does not. Add the offset manually so the same
|
||||
; Within an IRQ ISR the link register has an offset from the true return
|
||||
; address, but an SWI ISR does not. Add the offset manually so the same
|
||||
; ISR return code can be used in both cases.
|
||||
ADD LR, LR, #4
|
||||
|
||||
; Perform the context switch.
|
||||
portSAVE_CONTEXT ; Save current task context
|
||||
portSAVE_CONTEXT ; Save current task context
|
||||
LDR R0, =vTaskSwitchContext ; Get the address of the context switch function
|
||||
MOV LR, PC ; Store the return address
|
||||
BX R0 ; Call the contedxt switch function
|
||||
portRESTORE_CONTEXT ; restore the context of the selected task
|
||||
portRESTORE_CONTEXT ; restore the context of the selected task
|
||||
|
||||
|
||||
|
||||
|
|
@ -120,32 +94,32 @@ vPortYieldProcessor
|
|||
; Only used if portUSE_PREEMPTION is set to 1 in portmacro.h
|
||||
;
|
||||
; Uses timer 0 of LPC21XX Family
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
vPreemptiveTick
|
||||
|
||||
PRESERVE8
|
||||
|
||||
portSAVE_CONTEXT ; Save the context of the current task.
|
||||
portSAVE_CONTEXT ; Save the context of the current task.
|
||||
|
||||
LDR R0, =xTaskIncrementTick ; Increment the tick count.
|
||||
LDR R0, =xTaskIncrementTick ; Increment the tick count.
|
||||
MOV LR, PC ; This may make a delayed task ready
|
||||
BX R0 ; to run.
|
||||
|
||||
CMP R0, #0
|
||||
BEQ SkipContextSwitch
|
||||
LDR R0, =vTaskSwitchContext ; Find the highest priority task that
|
||||
LDR R0, =vTaskSwitchContext ; Find the highest priority task that
|
||||
MOV LR, PC ; is ready to run.
|
||||
BX R0
|
||||
SkipContextSwitch
|
||||
MOV R0, #T0MATCHBIT ; Clear the timer event
|
||||
LDR R1, =T0IR
|
||||
STR R0, [R1]
|
||||
STR R0, [R1]
|
||||
|
||||
LDR R0, =VICVECTADDR ; Acknowledge the interrupt
|
||||
LDR R0, =VICVECTADDR ; Acknowledge the interrupt
|
||||
STR R0,[R0]
|
||||
|
||||
portRESTORE_CONTEXT ; Restore the context of the highest
|
||||
portRESTORE_CONTEXT ; Restore the context of the highest
|
||||
; priority task that is ready to run.
|
||||
END
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue