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Date:      Wed, 6 Feb 2002 17:57:00 -0800 (PST)
From:      Julian Elischer <julian@elischer.org>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        Jake Burkholder <jake@locore.ca>, current@FreeBSD.ORG
Subject:   Re: Non 386 testers REALLY NEEDED
Message-ID:  <Pine.BSF.4.21.0202061748070.91961-100000@InterJet.elischer.org>
In-Reply-To: <15457.55151.257417.981564@grasshopper.cs.duke.edu>

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On Wed, 6 Feb 2002, Andrew Gallatin wrote:

> 
> Jake Burkholder writes:
>  > > What's the "right" way to do this?
>  > 
>  > I think you want lda, its used to load an address constant in support.s:
>  > 
>  >         lda     t0, fusufault           /* trap faults */
> 
> Bingo!  Thanks.. I haven't done any alpha assembler in nearly a year..
> 
> Julian -- you need to add this to your diff:
> 
> 
> Index: alpha/alpha/locore.s
> ===================================================================
> RCS file: /home/ncvs/src/sys/alpha/alpha/locore.s,v
> retrieving revision 1.20
> diff -u -r1.20 locore.s
> --- alpha/alpha/locore.s	11 Dec 2001 23:33:38 -0000	1.20
> +++ alpha/alpha/locore.s	7 Feb 2002 01:05:10 -0000
> @@ -119,7 +119,7 @@
>  	/*
>  	 * Switch to proc0's PCB.
>  	 */
> -	ldq	t0,thread0		/* get phys addr of pcb */
> +	lda     t0,thread0
>  	ldq	a0,TD_MD_PCBPADDR(t0)
>  	SWITCH_CONTEXT

Included.. thanks.

>  
> 
> Buildworld fails in libkvm with the first diff... I assume

THe following code is also wrong then..

        alloc   r16=ar.pfs,0,0,1,0
        ;;
        movl    out0=thread0
        ;;
        ld8     out0=[out0]
        ;;
        add     out0=TD_PCB,out0
in ia64/ia64/locore.s



anyone know the correct instruction?
leal  out0=thread0  ?



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