mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-09-02 04:13:54 -04:00
Add FreeRTOS-Plus directory.
This commit is contained in:
Richard Barry
parent
7bd5f21ad5
commit
f508a5f653
6798 changed files with 134949 additions and 19 deletions
100
FreeRTOS/Source/portable/Renesas/SH2A_FPU/ISR_Support.inc
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100
FreeRTOS/Source/portable/Renesas/SH2A_FPU/ISR_Support.inc
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@ -0,0 +1,100 @@
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;/*
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; FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
|
||||
;
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||||
;
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||||
; ***************************************************************************
|
||||
; * *
|
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; * 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. <<< *
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||||
; * *
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||||
; * Thank you for using FreeRTOS, and thank you for your support! *
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||||
; * *
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||||
; ***************************************************************************
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||||
;
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||||
;
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; This file is part of the FreeRTOS distribution.
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||||
;
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||||
; 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
|
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; by writing to Richard Barry, contact details for whom are available on the
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; FreeRTOS WEB site.
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;
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; 1 tab == 4 spaces!
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;
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; http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||
; contact details.
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||||
;
|
||||
; http://www.SafeRTOS.com - A version that is certified for use in safety
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||||
; critical systems.
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||||
;
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; http://www.OpenRTOS.com - Commercial support, development, porting,
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; licensing and training services.
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;*/
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.macro portSAVE_CONTEXT
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; Save r0 to r14 and pr.
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movml.l r15, @-r15
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; Save mac1, mach and gbr
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sts.l macl, @-r15
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sts.l mach, @-r15
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stc.l gbr, @-r15
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; Get the address of pxCurrentTCB
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mov.l #_pxCurrentTCB, r0
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; Get the address of pxTopOfStack from the TCB.
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mov.l @r0, r0
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; Save the stack pointer in pxTopOfStack.
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mov.l r15, @r0
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.endm
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;-----------------------------------------------------------
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.macro portRESTORE_CONTEXT
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; Get the address of the pxCurrentTCB variable.
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mov.l #_pxCurrentTCB, r0
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; Get the address of the task stack from pxCurrentTCB.
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mov.l @r0, r0
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; Get the task stack itself into the stack pointer.
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mov.l @r0, r15
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; Restore system registers.
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ldc.l @r15+, gbr
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lds.l @r15+, mach
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lds.l @r15+, macl
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; Restore r0 to r14 and PR
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movml.l @r15+, r15
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; Pop the SR and PC to jump to the start of the task.
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rte
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nop
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.endm
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;-----------------------------------------------------------
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306
FreeRTOS/Source/portable/Renesas/SH2A_FPU/port.c
Normal file
306
FreeRTOS/Source/portable/Renesas/SH2A_FPU/port.c
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@ -0,0 +1,306 @@
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/*
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FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
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||||
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||||
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***************************************************************************
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||||
* *
|
||||
* 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. <<< *
|
||||
* *
|
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
|
||||
***************************************************************************
|
||||
|
||||
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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!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong? *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, training, latest information,
|
||||
license and contact details.
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||||
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool.
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|
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Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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the code with commercial support, indemnification, and middleware, under
|
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the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
|
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provide a safety engineered and independently SIL3 certified version under
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the SafeRTOS brand: http://www.SafeRTOS.com.
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*/
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the SH2A port.
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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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/* Library includes. */
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#include "string.h"
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/*-----------------------------------------------------------*/
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/* The SR assigned to a newly created task. The only important thing in this
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value is for all interrupts to be enabled. */
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#define portINITIAL_SR ( 0UL )
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/* Dimensions the array into which the floating point context is saved.
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Allocate enough space for FPR0 to FPR15, FPUL and FPSCR, each of which is 4
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bytes big. If this number is changed then the 72 in portasm.src also needs
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changing. */
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#define portFLOP_REGISTERS_TO_STORE ( 18 )
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#define portFLOP_STORAGE_SIZE ( portFLOP_REGISTERS_TO_STORE * 4 )
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/*-----------------------------------------------------------*/
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/*
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* The TRAPA handler used to force a context switch.
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*/
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void vPortYield( void );
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/*
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* Function to start the first task executing - defined in portasm.src.
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*/
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extern void vPortStartFirstTask( void );
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/*
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* Obtains the current GBR value - defined in portasm.src.
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*/
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extern unsigned long ulPortGetGBR( void );
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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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portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
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{
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/* Mark the end of the stack - used for debugging only and can be removed. */
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*pxTopOfStack = 0x11111111UL;
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pxTopOfStack--;
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*pxTopOfStack = 0x22222222UL;
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pxTopOfStack--;
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*pxTopOfStack = 0x33333333UL;
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pxTopOfStack--;
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/* SR. */
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*pxTopOfStack = portINITIAL_SR;
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pxTopOfStack--;
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/* PC. */
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*pxTopOfStack = ( unsigned long ) pxCode;
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pxTopOfStack--;
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/* PR. */
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*pxTopOfStack = 15;
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pxTopOfStack--;
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/* 14. */
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*pxTopOfStack = 14;
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pxTopOfStack--;
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/* R13. */
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*pxTopOfStack = 13;
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pxTopOfStack--;
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/* R12. */
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*pxTopOfStack = 12;
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pxTopOfStack--;
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/* R11. */
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*pxTopOfStack = 11;
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pxTopOfStack--;
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/* R10. */
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*pxTopOfStack = 10;
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pxTopOfStack--;
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/* R9. */
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*pxTopOfStack = 9;
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pxTopOfStack--;
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/* R8. */
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*pxTopOfStack = 8;
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pxTopOfStack--;
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/* R7. */
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*pxTopOfStack = 7;
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pxTopOfStack--;
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/* R6. */
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*pxTopOfStack = 6;
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pxTopOfStack--;
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/* R5. */
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*pxTopOfStack = 5;
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pxTopOfStack--;
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/* R4. */
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*pxTopOfStack = ( unsigned long ) pvParameters;
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pxTopOfStack--;
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/* R3. */
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*pxTopOfStack = 3;
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pxTopOfStack--;
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/* R2. */
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*pxTopOfStack = 2;
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pxTopOfStack--;
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/* R1. */
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*pxTopOfStack = 1;
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pxTopOfStack--;
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/* R0 */
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*pxTopOfStack = 0;
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pxTopOfStack--;
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/* MACL. */
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*pxTopOfStack = 16;
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pxTopOfStack--;
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/* MACH. */
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*pxTopOfStack = 17;
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pxTopOfStack--;
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/* GBR. */
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*pxTopOfStack = ulPortGetGBR();
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/* GBR = global base register.
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VBR = vector base register.
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TBR = jump table base register.
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R15 is the stack pointer. */
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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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extern void vApplicationSetupTimerInterrupt( void );
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/* Call an application function to set up the timer that will generate the
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tick interrupt. This way the application can decide which peripheral to
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use. A demo application is provided to show a suitable example. */
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vApplicationSetupTimerInterrupt();
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/* Start the first task. This will only restore the standard registers and
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not the flop registers. This does not really matter though because the only
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flop register that is initialised to a particular value is fpscr, and it is
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only initialised to the current value, which will still be the current value
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when the first task starts executing. */
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trapa( portSTART_SCHEDULER_TRAP_NO );
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/* Should not get here. */
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return pdFAIL;
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* Not implemented as there is nothing to return to. */
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}
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/*-----------------------------------------------------------*/
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void vPortYield( void )
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{
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long lInterruptMask;
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/* Ensure the yield trap runs at the same priority as the other interrupts
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that can cause a context switch. */
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lInterruptMask = get_imask();
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/* taskYIELD() can only be called from a task, not an interrupt, so the
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current interrupt mask can only be 0 or portKERNEL_INTERRUPT_PRIORITY and
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the mask can be set without risk of accidentally lowering the mask value. */
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set_imask( portKERNEL_INTERRUPT_PRIORITY );
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trapa( portYIELD_TRAP_NO );
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/* Restore the interrupt mask to whatever it was previously (when the
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function was entered). */
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set_imask( ( int ) lInterruptMask );
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}
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/*-----------------------------------------------------------*/
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portBASE_TYPE xPortUsesFloatingPoint( xTaskHandle xTask )
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{
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unsigned long *pulFlopBuffer;
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portBASE_TYPE xReturn;
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extern void * volatile pxCurrentTCB;
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/* This function tells the kernel that the task referenced by xTask is
|
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going to use the floating point registers and therefore requires the
|
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floating point registers saved as part of its context. */
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/* Passing NULL as xTask is used to indicate that the calling task is the
|
||||
subject task - so pxCurrentTCB is the task handle. */
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if( xTask == NULL )
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{
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xTask = ( xTaskHandle ) pxCurrentTCB;
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}
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/* Allocate a buffer large enough to hold all the flop registers. */
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pulFlopBuffer = ( unsigned long * ) pvPortMalloc( portFLOP_STORAGE_SIZE );
|
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|
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if( pulFlopBuffer != NULL )
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{
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/* Start with the registers in a benign state. */
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memset( ( void * ) pulFlopBuffer, 0x00, portFLOP_STORAGE_SIZE );
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/* The first thing to get saved in the buffer is the FPSCR value -
|
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initialise this to the current FPSCR value. */
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*pulFlopBuffer = get_fpscr();
|
||||
|
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/* Use the task tag to point to the flop buffer. Pass pointer to just
|
||||
above the buffer because the flop save routine uses a pre-decrement. */
|
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vTaskSetApplicationTaskTag( xTask, ( void * ) ( pulFlopBuffer + portFLOP_REGISTERS_TO_STORE ) );
|
||||
xReturn = pdPASS;
|
||||
}
|
||||
else
|
||||
{
|
||||
xReturn = pdFAIL;
|
||||
}
|
||||
|
||||
return xReturn;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
176
FreeRTOS/Source/portable/Renesas/SH2A_FPU/portasm.src
Normal file
176
FreeRTOS/Source/portable/Renesas/SH2A_FPU/portasm.src
Normal file
|
|
@ -0,0 +1,176 @@
|
|||
;/*
|
||||
; FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
|
||||
;
|
||||
;
|
||||
; ***************************************************************************
|
||||
; * *
|
||||
; * 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.
|
||||
;*/
|
||||
|
||||
.import _pxCurrentTCB
|
||||
.import _vTaskSwitchContext
|
||||
.import _vTaskIncrementTick
|
||||
|
||||
.export _vPortStartFirstTask
|
||||
.export _ulPortGetGBR
|
||||
.export _vPortYieldHandler
|
||||
.export _vPortPreemptiveTick
|
||||
.export _vPortCooperativeTick
|
||||
.export _vPortSaveFlopRegisters
|
||||
.export _vPortRestoreFlopRegisters
|
||||
|
||||
.section P
|
||||
|
||||
.INCLUDE "ISR_Support.inc"
|
||||
|
||||
_vPortStartFirstTask:
|
||||
|
||||
portRESTORE_CONTEXT
|
||||
|
||||
;-----------------------------------------------------------
|
||||
|
||||
_vPortYieldHandler:
|
||||
|
||||
portSAVE_CONTEXT
|
||||
|
||||
mov.l #_vTaskSwitchContext, r0
|
||||
jsr @r0
|
||||
nop
|
||||
|
||||
portRESTORE_CONTEXT
|
||||
|
||||
;-----------------------------------------------------------
|
||||
|
||||
_vPortPreemptiveTick
|
||||
|
||||
portSAVE_CONTEXT
|
||||
|
||||
mov.l #_vTaskIncrementTick, r0
|
||||
jsr @r0
|
||||
nop
|
||||
|
||||
mov.l #_vTaskSwitchContext, r0
|
||||
jsr @r0
|
||||
nop
|
||||
|
||||
portRESTORE_CONTEXT
|
||||
|
||||
;-----------------------------------------------------------
|
||||
|
||||
_vPortCooperativeTick
|
||||
|
||||
portSAVE_CONTEXT
|
||||
|
||||
mov.l #_vTaskIncrementTick, r0
|
||||
jsr @r0
|
||||
nop
|
||||
|
||||
portRESTORE_CONTEXT
|
||||
|
||||
;-----------------------------------------------------------
|
||||
|
||||
_ulPortGetGBR:
|
||||
|
||||
stc.l gbr, r0
|
||||
rts
|
||||
nop
|
||||
|
||||
;-----------------------------------------------------------
|
||||
|
||||
_vPortSaveFlopRegisters:
|
||||
|
||||
fmov.s fr0, @-r4
|
||||
fmov.s fr1, @-r4
|
||||
fmov.s fr2, @-r4
|
||||
fmov.s fr3, @-r4
|
||||
fmov.s fr4, @-r4
|
||||
fmov.s fr5, @-r4
|
||||
fmov.s fr6, @-r4
|
||||
fmov.s fr7, @-r4
|
||||
fmov.s fr8, @-r4
|
||||
fmov.s fr9, @-r4
|
||||
fmov.s fr10, @-r4
|
||||
fmov.s fr11, @-r4
|
||||
fmov.s fr12, @-r4
|
||||
fmov.s fr13, @-r4
|
||||
fmov.s fr14, @-r4
|
||||
fmov.s fr15, @-r4
|
||||
sts.l fpul, @-r4
|
||||
sts.l fpscr, @-r4
|
||||
|
||||
rts
|
||||
nop
|
||||
|
||||
;-----------------------------------------------------------
|
||||
|
||||
_vPortRestoreFlopRegisters:
|
||||
|
||||
add.l #-72, r4
|
||||
lds.l @r4+, fpscr
|
||||
lds.l @r4+, fpul
|
||||
fmov.s @r4+, fr15
|
||||
fmov.s @r4+, fr14
|
||||
fmov.s @r4+, fr13
|
||||
fmov.s @r4+, fr12
|
||||
fmov.s @r4+, fr11
|
||||
fmov.s @r4+, fr10
|
||||
fmov.s @r4+, fr9
|
||||
fmov.s @r4+, fr8
|
||||
fmov.s @r4+, fr7
|
||||
fmov.s @r4+, fr6
|
||||
fmov.s @r4+, fr5
|
||||
fmov.s @r4+, fr4
|
||||
fmov.s @r4+, fr3
|
||||
fmov.s @r4+, fr2
|
||||
fmov.s @r4+, fr1
|
||||
fmov.s @r4+, fr0
|
||||
|
||||
rts
|
||||
nop
|
||||
|
||||
.end
|
||||
|
||||
170
FreeRTOS/Source/portable/Renesas/SH2A_FPU/portmacro.h
Normal file
170
FreeRTOS/Source/portable/Renesas/SH2A_FPU/portmacro.h
Normal file
|
|
@ -0,0 +1,170 @@
|
|||
/*
|
||||
FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
|
||||
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* 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!
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* Having a problem? Start by reading the FAQ "My application does *
|
||||
* not run, what could be wrong? *
|
||||
* *
|
||||
* http://www.FreeRTOS.org/FAQHelp.html *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
|
||||
http://www.FreeRTOS.org - Documentation, training, latest information,
|
||||
license and contact details.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool.
|
||||
|
||||
Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
|
||||
the code with commercial support, indemnification, and middleware, under
|
||||
the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
|
||||
provide a safety engineered and independently SIL3 certified version under
|
||||
the SafeRTOS brand: http://www.SafeRTOS.com.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#include <machine.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* 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 - these are a bit legacy and not really used now, other than
|
||||
portSTACK_TYPE and portBASE_TYPE. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE unsigned portLONG
|
||||
#define portBASE_TYPE long
|
||||
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef unsigned portSHORT portTickType;
|
||||
#define portMAX_DELAY ( portTickType ) 0xffff
|
||||
#else
|
||||
typedef unsigned portLONG portTickType;
|
||||
#define portMAX_DELAY ( portTickType ) 0xffffffff
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardware specifics. */
|
||||
#define portBYTE_ALIGNMENT 8
|
||||
#define portSTACK_GROWTH -1
|
||||
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
|
||||
#define portNOP() nop()
|
||||
#define portSTART_SCHEDULER_TRAP_NO ( 32 )
|
||||
#define portYIELD_TRAP_NO ( 33 )
|
||||
#define portKERNEL_INTERRUPT_PRIORITY ( 1 )
|
||||
|
||||
void vPortYield( void );
|
||||
#define portYIELD() vPortYield()
|
||||
|
||||
extern void vTaskSwitchContext( void );
|
||||
#define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) vTaskSwitchContext()
|
||||
|
||||
/*
|
||||
* This function tells the kernel that the task referenced by xTask is going to
|
||||
* use the floating point registers and therefore requires the floating point
|
||||
* registers saved as part of its context.
|
||||
*/
|
||||
portBASE_TYPE xPortUsesFloatingPoint( void* xTask );
|
||||
|
||||
/*
|
||||
* The flop save and restore functions are defined in portasm.src and called by
|
||||
* the trace "task switched in" and "trace task switched out" macros.
|
||||
*/
|
||||
void vPortSaveFlopRegisters( void *pulBuffer );
|
||||
void vPortRestoreFlopRegisters( void *pulBuffer );
|
||||
|
||||
/*
|
||||
* pxTaskTag is used to point to the buffer into which the floating point
|
||||
* context should be saved. If pxTaskTag is NULL then the task does not use
|
||||
* a floating point context.
|
||||
*/
|
||||
#define traceTASK_SWITCHED_OUT() if( pxCurrentTCB->pxTaskTag != NULL ) vPortSaveFlopRegisters( pxCurrentTCB->pxTaskTag )
|
||||
#define traceTASK_SWITCHED_IN() if( pxCurrentTCB->pxTaskTag != NULL ) vPortRestoreFlopRegisters( pxCurrentTCB->pxTaskTag )
|
||||
|
||||
/*
|
||||
* These macros should be called directly, but through the taskENTER_CRITICAL()
|
||||
* and taskEXIT_CRITICAL() macros.
|
||||
*/
|
||||
#define portENABLE_INTERRUPTS() set_imask( 0x00 )
|
||||
#define portDISABLE_INTERRUPTS() set_imask( portKERNEL_INTERRUPT_PRIORITY )
|
||||
|
||||
/* Critical nesting counts are stored in the TCB. */
|
||||
#define portCRITICAL_NESTING_IN_TCB ( 1 )
|
||||
|
||||
/* The critical nesting functions defined within tasks.c. */
|
||||
extern void vTaskEnterCritical( void );
|
||||
extern void vTaskExitCritical( void );
|
||||
#define portENTER_CRITICAL() vTaskEnterCritical();
|
||||
#define portEXIT_CRITICAL() vTaskExitCritical();
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* 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 )
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue