[parisc-linux] depi?

[Stan Sieler]

Re:

>         ; Get ready for phys->virt transition
>         ; First order of business is to adjust some pointers
>         depi            3,1,2,%arg0     ; phys->virt(free mem ptr)
>         depi            3,1,2, %sp      ; phys->virt SP
>         depi            3,1,2, %dp      ; p2v DP

DEPI is "Deposite Immediate".  depi 3,1,2, %arg0
drops the value 3 into the upper 2 bits of register arg0.

IIRC, it's:  DEPI immediate_value, right_most_bit#, #bits, target_register

But...strange code.  It's setting the upper 2 bits of R26, R30, and R27.

> in head.S?
> 
> I don't have a 'depi' in the index of my PA 2.0 assembler book.  I have a
> depwi and a depdi though.
> 
> - Alex "I shot the sheriff, but I did not shoot the depdi" deVries
> 
> -- 
> Alex deVries <adevries@thepuffingroup.com>
> Vice President Engineering
> The Puffin Group
> 
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-- 
Stan Sieler                                           sieler@allegro.com
www.allegro.com/sieler/wanted/index.html          www.allegro.com/sieler