On 12/15/2014 02:37 PM, Peter Maydell wrote:
> On 15 December 2014 at 22:14, Mario Smarduch <m.smarduch@xxxxxxxxxxx> wrote:
>> Hi Peter,
>> you may be aware of this alrady, but on 64K page host you can't
>> boot a Guest, QEMU doesn't map GICC at identical offset of GICV on
>> Foundation model which is 0x2c02f000.
>>
>> Luckily Marc made me aware of this (and his kernel fix), otherwise
>> you can't bring any Guest up. Hard coding these changes worked.
>>
>> [VIRT_CPUPERIPHS] = { 0x08000000, 0x00030000 },
>> [VIRT_GIC_CPU] = { 0x0801f000, 0x00020000 },
>>
>> It appears like GICV offset should be dynamically discovered
>> and map updated to appropriate offset to get around this.
>
> Yeah, it's one of those issues that's sort of on the todo list
> that we never quite sorted out. Does the kernel have the API in
> it to query the offset these days?
>
> -- PMM
>
Marc has a patch, I checked 3.18.0-rc2 it's not in yet.
Marc is this a patch you're planing to upstream in near
future?
Thanks,
- Mario
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