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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [IAR/] [MSP430/] [portasm.h] - Blame information for rev 820

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1 572 jeremybenn
/*
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    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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    ***************************************************************************
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    *                                                                         *
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    * If you are:                                                             *
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    *                                                                         *
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    *    + New to FreeRTOS,                                                   *
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    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
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    *    + Looking for basic training,                                        *
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    *    + Wanting to improve your FreeRTOS skills and productivity           *
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    *                                                                         *
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    * then take a look at the FreeRTOS books - available as PDF or paperback  *
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    *                                                                         *
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    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
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    *                  http://www.FreeRTOS.org/Documentation                  *
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    *                                                                         *
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    * A pdf reference manual is also available.  Both are usually delivered   *
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    * to your inbox within 20 minutes to two hours when purchased between 8am *
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    * and 8pm GMT (although please allow up to 24 hours in case of            *
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    * exceptional circumstances).  Thank you for your support!                *
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    *                                                                         *
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    ***************************************************************************
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    This file is part of the FreeRTOS distribution.
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    FreeRTOS is free software; you can redistribute it and/or modify it under
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    the terms of the GNU General Public License (version 2) as published by the
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    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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    ***NOTE*** The exception to the GPL is included to allow you to distribute
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    a combined work that includes FreeRTOS without being obliged to provide the
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    source code for proprietary components outside of the FreeRTOS kernel.
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    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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    more details. You should have received a copy of the GNU General Public
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    License and the FreeRTOS license exception along with FreeRTOS; if not it
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    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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    1 tab == 4 spaces!
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    http://www.FreeRTOS.org - Documentation, latest information, license and
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    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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    http://www.OpenRTOS.com - Commercial support, development, porting,
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    licensing and training services.
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*/
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#ifndef PORTASM_H
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#define PORTASM_H
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portSAVE_CONTEXT macro
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                IMPORT pxCurrentTCB
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                IMPORT usCriticalNesting
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                /* Save the remaining registers. */
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                push    r4
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                push    r5
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                push    r6
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                push    r7
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                push    r8
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                push    r9
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                push    r10
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                push    r11
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                push    r12
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                push    r13
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                push    r14
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                push    r15
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                mov.w   &usCriticalNesting, r14
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                push    r14
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                mov.w   &pxCurrentTCB, r12
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                mov.w   r1, 0(r12)
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                endm
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/*-----------------------------------------------------------*/
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portRESTORE_CONTEXT macro
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                mov.w   &pxCurrentTCB, r12
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                mov.w   @r12, r1
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                pop             r15
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                mov.w   r15, &usCriticalNesting
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                pop             r15
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                pop             r14
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                pop             r13
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                pop             r12
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                pop             r11
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                pop             r10
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                pop             r9
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                pop             r8
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                pop             r7
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                pop             r6
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                pop             r5
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                pop             r4
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                /* The last thing on the stack will be the status register.
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        Ensure the power down bits are clear ready for the next
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        time this power down register is popped from the stack. */
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                bic.w   #0xf0,0(SP)
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                reti
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                endm
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/*-----------------------------------------------------------*/
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#endif
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