Am 27. Mai 2024 16:20:44 UTC schrieb Richard Henderson
<richard.hender...@linaro.org>:
>On 5/27/24 08:29, Bernhard Beschow wrote:
>> I think the kernel's output indicates that the MMU is active:
>>
>> [7e849b05] *pgd=2c552831, *pte=109eb34f, *ppte=109eb83f
>>
>> AFAIU, the value in brackets is a virtual address while the pte's are
>> physical ones. Furthermore, the `info mtree` QMP command tells that the
>> physical addresses are RAM addresses:
>>
>> 0000000010000000-000000002fffffff (prio 0, ram): sabrelite.ram
>>
>> So I think we can conclude this to be "normal memory" to speak in ARM terms.
>
>Normal and Device are attributes on the page table entry.
>See section G5.7 Memory region attributes in the Arm ARM.
>
>But it's unlikely that the Linux kernel has messed this up, even back in 4.x
>days.
>
>If you want to make any progress, you'll have to share a test case.
It's a proprietary guest, so I need to strip it down first. This may take some
time. Thanks for yor feedbak so far!
Best regards,
Bernhard
>
>
>r~
