Source/portable/IAR/MSP430/portasm.h

/*
    FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd.

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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.
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*/

#ifndef PORTASM_H
#define PORTASM_H

portSAVE_CONTEXT macro

		IMPORT pxCurrentTCB
		IMPORT usCriticalNesting

		/* Save the remaining registers. */
		push	r4
		push	r5
		push	r6
		push	r7
		push	r8
		push	r9
		push	r10
		push	r11
		push	r12
		push	r13
		push	r14
		push	r15
		mov.w	&usCriticalNesting, r14
		push	r14
		mov.w	&pxCurrentTCB, r12
		mov.w	r1, 0(r12)
		endm
/*-----------------------------------------------------------*/
		
portRESTORE_CONTEXT macro
		mov.w	&pxCurrentTCB, r12
		mov.w	@r12, r1
		pop		r15
		mov.w	r15, &usCriticalNesting
		pop		r15
		pop		r14
		pop		r13
		pop		r12
		pop		r11
		pop		r10
		pop		r9
		pop		r8
		pop		r7
		pop		r6
		pop		r5
		pop		r4

		/* The last thing on the stack will be the status register.
        Ensure the power down bits are clear ready for the next
        time this power down register is popped from the stack. */
		bic.w   #0xf0,0(SP)

		reti
		endm
/*-----------------------------------------------------------*/

#endif