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Rev 83 Rev 94
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.global context_save
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.global context_save
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.global context_restore
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.global context_restore
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context_save:
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context_save:
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	alloc loc0 = ar.pfs, 1, 10, 0, 0
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	alloc loc0 = ar.pfs, 1, 11, 0, 0
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	mov loc1 = ar.unat	;;
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	mov loc1 = ar.unat	;;
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	/* loc2 */
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	mov loc3 = ar.rsc
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	mov loc4 = ar.bsp
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	mov loc5 = ar.rnat
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	mov loc6 = ar.lc
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	mov loc7 = ar.ec
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	mov loc8 = ar.ccv
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	mov loc9 = ar.csd
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	mov loc10 = ar.ssd
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- 
 
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	/*
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	 * Save application registers
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	 */
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	st8 [in0] = loc0, 8	;;	/* save ar.pfs */
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	st8 [in0] = loc0, 8	;;	/* save ar.pfs */
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	st8 [in0] = loc1, 8	;;	/* save ar.unat (caller) */
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	st8 [in0] = loc1, 8	;;	/* save ar.unat (caller) */
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	mov loc2 = in0		;;
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	mov loc2 = in0		;;
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	add in0 = 8, in0	;;	/* skip ar.unat (callee) */
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	add in0 = 8, in0	;;	/* skip ar.unat (callee) */
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	st8 [in0] = loc3, 8	;;	/* save ar.rsc */
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	st8 [in0] = loc4, 8	;;	/* save ar.bsp */
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	st8 [in0] = loc5, 8	;;	/* save ar.rnat */
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	st8 [in0] = loc6, 8	;;	/* save ar.lc */
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	st8 [in0] = loc7, 8	;;	/* save ar.ec */
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	st8 [in0] = loc8, 8	;;	/* save ar.ccv */
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	st8 [in0] = loc9, 8	;;	/* save ar.csd */
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	st8 [in0] = loc10, 8	;;	/* save ar.ssd */
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	/*
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	/*
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	 * TODO: save the rest of the context registers.
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	 */
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	/*
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	 * Save general registers including NaT bits
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	 * Save general registers including NaT bits
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	 */
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	 */
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	st8.spill [in0] = r1, 8		;;
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	st8.spill [in0] = r1, 8		;;
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	st8.spill [in0] = r2, 8		;;
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	st8.spill [in0] = r2, 8		;;
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	st8.spill [in0] = r3, 8		;;
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	st8.spill [in0] = r3, 8		;;
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	add r8 = r0, r0, 1 		/* context_save returns 1 */
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	add r8 = r0, r0, 1 		/* context_save returns 1 */
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	br.ret.sptk.many b0
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	br.ret.sptk.many b0
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context_restore:
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context_restore:
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	alloc loc0 = ar.pfs, 1, 10, 0, 0	;;
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	alloc loc0 = ar.pfs, 1, 11, 0, 0	;;
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	ld8 loc0 = [in0], 8	;;	/* load ar.pfs */
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	ld8 loc1 = [in0], 8	;;	/* load ar.unat (caller) */
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	ld8 loc2 = [in0], 8	;;	/* load ar.unat (callee) */
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	ld8 loc3 = [in0], 8	;;	/* load ar.rsc */
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	ld8 loc4 = [in0], 8	;;	/* load ar.bsp */
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	ld8 loc5 = [in0], 8	;;	/* load ar.rnat */
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	ld8 loc6 = [in0], 8	;;	/* load ar.lc */
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	ld8 loc7 = [in0], 8	;;	/* load ar.ec */
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	ld8 loc8 = [in0], 8	;;	/* load ar.ccv */
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	ld8 loc9 = [in0], 8	;;	/* load ar.csd */
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	ld8 loc10 = [in0], 8	;;	/* load ar.ssd */
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	/*
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	/*
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	 * TODO: restore the rest of the context registers.
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	 * Restore application registers
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	 */
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	 */
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	ld8 loc0 = [in0], 8	;;	/* load pfs */
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	ld8 loc1 = [in0], 8	;;	/* load unat (caller) */
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	ld8 loc2 = [in0], 8	;;	/* load unat (callee) */
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	mov ar.unat = loc2	;;
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	mov ar.unat = loc2	;;
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	/* TODO: restore ar.rsc, ar.rnat, ar.bspstore */
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	mov ar.lc = loc6
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	mov ar.ec = loc7
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	mov ar.ccv = loc8
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	mov ar.csd = loc9
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	mov ar.ssd = loc10
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	/*
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	/*
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	 * Restore general registers including NaT bits
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	 * Restore general registers including NaT bits
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	 */
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	 */
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	ld8.fill r1 = [in0], 8	;;
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	ld8.fill r1 = [in0], 8	;;