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Re: [Qemu-devel] [RFC] q35/mch: implement extended TSEG sizes
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From: |
Gerd Hoffmann |
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Subject: |
Re: [Qemu-devel] [RFC] q35/mch: implement extended TSEG sizes |
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Date: |
Wed, 07 Jun 2017 07:52:50 +0200 |
Hi,
Patch looks sane overall.
> Invent a new, QEMU-specific register in the config space of the DRAM
> Controller, at offset 0x50, in order to allow guest firmware to query
> the
> TSEG (SMRAM) size.
Hmm, 0x50 appears to be the only unused config space register in the
specs. I suspect in reality it isn't unused but undocumented. I don't
have a better idea though, and in practice it probably isn't much of a
problem.
cheers,
Gerd