Messages in this thread | | | From | Kees Cook <> | Date | Thu, 14 Feb 2019 20:04:58 -0800 | Subject | Re: [PATCH] pstore: Add boot loader log messages support |
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On Thu, Feb 14, 2019 at 8:01 PM Yue Hu <huyue2@yulong.com> wrote: > Yes, boot loader will did the _write_. When booting from power on, the first phase > is boot loader, it will log to specific reserver memory. Then kernel/pstore is > coming up, pstore will copy the log generated by boot loader to xbl zone. The xbl > memory zone layout like below: > > +-----+--------- > |dest | > |-----| xbl zone > |src | > +-----+--------- > > Anyway, i think it is a useful debug feature.
Ah-ha, interesting. Okay, please mention this (and how the boot loader knows to write in the area) in v2.
Thanks!
-- Kees Cook
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