Re: can't boot 2.6.17-rc1
Benjamin Herrenschmidt writes:
> > _GLOBAL(power_save_6xx_restore)
> > mfspr r11,SPRN_HID0
> > rlwinm r11,r11,0,10,8 /* Clear NAP */
> > mtspr SPRN_HID0,r11
> > b transfer_to_handler_cont
> >
> > If I take out that rlwinm, it boots. Bizaare.
>
> Gack ? Didn't I always cleared it before ? Hrm... I think darwin also
Yes, you did always clear it before.
> clears it in various places ... coul.dn't it be some stpid register
> clobbering I'm doing with r11 at this point ? (no source at hand to
> check)
No, it's perfectly safe to use r11 here. As I said, bizaare.
I even tried changing the rlwinm to clear some other bit that I knew
would already be 0 (bit 3), and that worked. So it really does seem
to be just the clearing of the NAP bit.
Paul.
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