| To: | Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de> |
|---|---|
| Subject: | Re: sti() does not work. |
| From: | "Gleb O. Raiko" <raiko@niisi.msk.ru> |
| Date: | Wed, 04 Jul 2001 16:23:34 +0400 |
| Cc: | linux-mips@oss.sgi.com |
| Organization: | NIISI RAN |
| References: | <20010704122329.B30713@rembrandt.csv.ica.uni-stuttgart.de> |
| Sender: | owner-linux-mips@oss.sgi.com |
Thiemo Seufer wrote:
> > extern __inline__ void __sti(void)
> > {
> > __asm__ __volatile__(
> > ".set\tnoreorder\n\t"
> > ".set\tnoat\n\t"
> > "mfc0\t$1,$12\n\t"
> > "ori\t$1,0x1f\n\t"
> > "xori\t$1,0x1e\n\t"
> > "mtc0\t$1,$12\n\t" /* <----- problem here
> > ! */
>
> Here should follow some nop's on a MIPS I system to make sure $12
> is written (why is noreorder used here?).
>
Support for r3k in 2.2 is broken for a long time. Use 2.4 instead.
Regards,
Gleb.
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