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Date:      Fri, 19 Apr 2019 15:29:57 -0400
From:      Lee D <embaudarm@gmail.com>
To:        Ian Lepore <ian@freebsd.org>
Cc:        FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: What code loads kernel modules at boot?
Message-ID:  <CANC_bnPhsuzA4%2BVEAJ6vSVt28f8=r4DLSda1o6t1MhYjXwLWBg@mail.gmail.com>
In-Reply-To: <173b3741db8be891cff8b7005b2058a416d43115.camel@freebsd.org>
References:  <CANC_bnNog192=sAgw6uu7J_oJMPLGyMa57y-eXNxHv_g-KMvOw@mail.gmail.com> <173b3741db8be891cff8b7005b2058a416d43115.camel@freebsd.org>

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On Wed, Apr 17, 2019 at 11:04 PM Ian Lepore <ian@freebsd.org> wrote:
>
> The bulk of the module-loading code (the arch-independent part of it)
> is in src/stand/common/module.c.  There is also archsw.arch_loadaddr,
> which figures out where to put the modules (handling arch-specific
> things like alignment requirements).
>
> For some reason, I thought Zynq used u-boot.  That would allow using
> either ubldr or the arm uefi loader (depending on how old the u-boot
> is); those are just flavors of loader(8) that would get you module
> handling and all the other loader goodness.
>
> -- Ian
>

I think I sent this incorrectly the first time, so here it is again.

Zynq does indeed have u-boot as a booting method, but back when I
started this project I made the decision to write my own boot loader
for various reasons (expediency and customization).  So I am not using
u-boot or loader(8), and have to prepare everything for the kernel
startup myself.

Lee



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