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Re: [PATCH v2 1/3] xen/riscv: introduce setup_initial_pages
- To: Julien Grall <julien@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 22 Mar 2023 09:19:29 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Gianluca Guida <gianluca@xxxxxxxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 22 Mar 2023 08:19:52 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 21.03.2023 18:58, Julien Grall wrote:
> Also, where do you guarantee that Xen will be loaded at a 2MB aligned
> address? (For a fact I know that UEFI is only guarantee 4KB alignment).
I don't think this is true. We rely on UEFI honoring larger alignment on
x86, and I believe the PE loader code is uniform across architectures.
Of course you need to specify large enough alignment in the PE header's
SectionAlignment field (right now in the Arm64 binary it's only 4k).
Jan
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