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

[Michael Walle <michael@walle.cc>]

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 ;)

-michael