change in ARM uboot API

[Andrew Turner]

On Sat, 16 Nov 2013 17:53:45 +0000
Leif Lindholm <leif.lindholm at linaro.org> wrote:

> Hi,
> 
> (not subscribed from this address, so please cc on any response)
> 
> I came across a bit of an issue with the ARM uboot GRUB port today,
> which I believe will also affect the FreeBSD loader:
> http://git.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=commit;h=fe1378a961e508b31b1f29a2bb08ba1dac063155
> 
> In short, the global data pointer has now moved from r8 to r9, and
> since no API bump was made as a result of this, software now needs to
> preserve both of these registers across calls into u-boot.
> 
> If
> http://svnweb.freebsd.org/base/head/sys/boot/arm/uboot/start.S?view=markup
> is the correct version to inspect, the current loader is affected.

This should be fixed by r258527 [1].

Andrew

[1] http://svnweb.freebsd.org/changeset/base/258527