Re: [Qemu-devel] [PATCH] linux-user: ppc64: set MSR_CM bit for BookE 2.06 MMU

[Riku Voipio <riku.voipio@iki.fi>]

On Wed, Sep 21, 2016 at 12:59:58PM +0200, Michael Walle wrote:
> Am 2016-08-16 15:56, schrieb Michael Walle:
> >Am 2016-08-16 15:41, schrieb Riku Voipio:
> >>On Tue, Aug 16, 2016 at 03:32:56PM +0200, Michael Walle wrote:
> >>>Am 2016-07-22 17:57, schrieb Alexander Graf:
> >>>>On 07/22/2016 05:18 PM, Michael Walle wrote:
> >>>>>64 bit user mode doesn't work for the e5500 core because the MSR_CM bit
> >>>>>is
> >>>>>not set which enables the 64 bit mode for this MMU model. Memory
> >>>>>addresses
> >>>>>are truncated to 32 bit, which results in "Invalid data memory access"
> >>>>>error messages. Fix it by setting the MSR_CM bit for this MMU model.
> >>>>>
> >>>>>Signed-off-by: Michael Walle <michael@walle.cc>
> >>>>
> >>>>Yup, I guess that's about as smart as we have to be :).
> >>>>
> >>>>
> >>>>Reviewed-by: Alexander Graf <agraf@suse.de>
> >>>
> >>>ping?
> >>
> >>sorry. slipped through - looks good, but do we want this to qemu 2.7,
> >>or is next goot enough?
> >
> >Hi Riku,
> >
> >mhh, personally I would prefer to see it in 2.7, too, given that it is
> >just a bugfix. But it only makes sense with the patch that I've just
> >posted to the mailinglist ("linux-user: ppc64: fix ARCH_206 bit in
> >AT_HWCAP"). Therefore, if it is too late for the latter, the first
> >might also be just scheduled for next.
> 
> ping. this is still missing. Since David pulled the "linux-user: ppc64: fix
> ARCH_206 bit in AT_HWCAP" patch. This is the last missing piece to make
> yocto/ppc64 user-mode emulation work ;)

Applied. thanks!

Riku