[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH early-RFC 2/5] xen/arm64: Rework the memory layout
On 25/03/2022 14:36, Julien Grall wrote: I think we have some Juno with some memory like that, tell me if you need help here.be loaded at (512GB + 2MB). This requires a slight tweak of the boot code as XEN_VIRT_START cannot be used as an immediate. Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx> --- TODO:- I vaguely recall that one of the early platform we supported addthe memory starting in high memory (> 1TB). I need to check whether the new layout will be fine.Would you be able to check the memory layout and confirm?I checked and the Juno we have as the high memory a lot lower than that: RAM: 0000000880000000 - 00000009ffffffff No idea why it was a lot higher in my mind.I have only encountered one board with the memory over 512GB. I can't remember whether it is AMD Seattle or X-Gene. So I found the answer. This was AMD Seattle where the memory start at 512GB. So I will map Xen starting at 2TB (so there is a bit of slack). Cheers, -- Julien Grall
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