arm64 boot requirements

Mark Rutland mark.rutland at
Wed Dec 2 02:26:55 PST 2015

On Tue, Dec 01, 2015 at 05:09:18PM -0500, Christopher Covington wrote:
> On 12/01/2015 06:52 AM, Ard Biesheuvel wrote:
> > However, I strongly feel that the Image header should remain the
> > authoritative source of information regarding the nature (big/little
> > endian, page size) and the static footprint of the Image.
> I find `readelf -a | less` quite handy. Is there anything comparable for
> the AArch64 Image format?

Not that I am aware of. These days I just use od or hexedit, and parse
the header manually.

It's documented, so it would be possible to write one.

> Please forgive my ignorance, but is the EFI stub another possible source
> for sort of information?

Not really. The PE/COFF header for the EFI stub realistically only tells
you wether or not the kernel has an EFI stub. It shouldn't be used to
derive information about the kernel itself.


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