On Wed, 30 Jun 2010, Tony Lindgren wrote:

> * Tony Lindgren <[email protected]> [100630 14:02]:
> > * Nicolas Pitre <[email protected]> [100629 22:14]:
> > 
> > Updated patch below.
> 
> And a bug crept in..
> 
> > +   .macro set_tls_v6, tp, tmp1, tmp2
> > +   ldr     \tmp1, =elf_hwcap
> > +   ldr     \tmp1, [\tmp1, #0]
> > +   mov     \tmp2, #0xffff0fff
> > +   tst     \tmp2, #HWCAP_TLS               @ hardware TLS available?
> > +   mcrne   p15, 0, \tp, c13, c0, 3         @ yes, set TLS register
> > +   streq   \tp, [\tmp2, #-15]              @ set TLS value at 0xffff0ff0
> > +   .endm
> 
> The tst       \tmp2, #HWCAP_TLS should of course use \tmp1.
> 
> Also fixed a warning about adding parentheses around comparison
> if (id & 0x410f0000) != 0x41070000).

Here you probably want (id & 0xff0f0000) and not (id & 0x410f0000).

> Again, updated patch below.

I like it.  However, in proc-v6.S, you don't need to add a reference to 
feat_v6_fixup() to the __pj4_v6_proc_info block.  Simply adding 
HWCAP_TLS in that case should be fine as PJ4 always has the TLS reg.

With the above fixes, you can add

Reviewed-by: Nicolas Pitre <[email protected]>


Nicolas
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