Before changing headers to V6 and changing portLONG, portSHORt and portCHAR to their standard C types.

2026-01-20 00:30:35 -05:00 · 2009-10-05 08:33:08 +00:00 · 2009-10-05 08:33:08 +00:00 · 5c64e1fad9
commit 5c64e1fad9
parent 3dfbb349ca
4417 changed files with 1261274 additions and 0 deletions
--- a/20091005/Source/portable/IAR/STR75x/portasm.s79
+++ b/20091005/Source/portable/IAR/STR75x/portasm.s79
@ -0,0 +1,83 @@
+;/*
+;	FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd.
+;
+;	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 exception 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.  
+;	Alternative commercial license and support terms are also available upon 
+;	request.  See the licensing section of http://www.FreeRTOS.org for full 
+;	license details.
+;
+;	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 along
+;	with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
+;	Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+;
+;
+;	***************************************************************************
+;	*                                                                         *
+;	* Looking for a quick start?  Then check out the FreeRTOS eBook!          *
+;	* See http://www.FreeRTOS.org/Documentation for details                   *
+;	*                                                                         *
+;	***************************************************************************
+;
+;	1 tab == 4 spaces!
+;
+;	Please ensure to read the configuration and relevant port sections of the
+;	online documentation.
+;
+;	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.
+;*/
+
+	RSEG ICODE:CODE
+	CODE32
+
+	EXTERN vPortPreemptiveTick
+	EXTERN vTaskSwitchContext
+
+	PUBLIC vPortYieldProcessor
+	PUBLIC vPortStartFirstTask
+
+#include "ISR_Support.h"
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; Starting the first task is just a matter of restoring the context that
+; was created by pxPortInitialiseStack().
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+vPortStartFirstTask:
+	portRESTORE_CONTEXT
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; Manual context switch function.  This is the SWI hander.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+vPortYieldProcessor:
+	ADD		LR, LR, #4			; Add 4 to the LR to make the LR appear exactly
+								; as if the context was saved during and IRQ
+								; handler.
+								
+	portSAVE_CONTEXT			; Save the context of the current task...
+	LDR R0, =vTaskSwitchContext	; before selecting the next task to execute.
+	mov     lr, pc
+	BX R0
+	portRESTORE_CONTEXT			; Restore the context of the selected task.
+
+
+
+	END
+