From: Denys Dmytriyenko <denys@ti.com>
To: William Mills <wmills@ti.com>
Cc: Yocto discussion list <yocto@yoctoproject.org>
Subject: Re: SPL_IMAGE, SPL_BINARY, and SPL_SYMLINK definitions
Date: Mon, 25 Nov 2013 13:24:52 -0500 [thread overview]
Message-ID: <20131125182452.GN690@edge> (raw)
In-Reply-To: <529390BB.3020005@ti.com>
On Mon, Nov 25, 2013 at 01:02:35PM -0500, William Mills wrote:
> On 11/25/2013 09:06 AM, Rifenbark, Scott M wrote:
> >Anyone have descriptions for these three variables? I would like to
> >document them and am wondering if anyone has used them or knows how they
> >work.
git blame u-boot.inc would have shown the commit 2965aa2f that added those
vars into the main u-boot.inc. The commit log does provide some explanation.
Although, that is the commit that unified SPL_* vars into a common .inc file,
previously we used to add them into specific u-boot_*.bb recipes along with
the necessary do_install_append() and do_deploy_append()...
> SPL is the preloader for U-boot required on some platforms.
And it stands for Secondary Program Loader:
http://git.denx.de/?p=u-boot.git;a=blob;f=doc/README.SPL;hb=HEAD
> The base include for u-boot defines the SPL_IMAGE and SPL_SYMLINK
> http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/recipes-bsp/u-boot/u-boot.inc
>
> One example of use of SPL_BINARY is here:
> http://git.yoctoproject.org/cgit/cgit.cgi/meta-ti/tree/recipes-bsp/u-boot/u-boot_2011.12.bb
>
> So the SPL_BINARY defines the name of the file in the filesystem image.
> The SPL_IMAGE and SPL_SYMLINK appear to specific the long version
> specific image file produced by the build and the somewhat shorter
> symlink that points to it. These will be in a machine specific dir
> on the build machine; the same place the kernel is found.
> (The kernel also gets a very long name and a symlink you can reuse
> wording from the description if you have that already.)
>
prev parent reply other threads:[~2013-11-25 18:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-25 14:06 SPL_IMAGE, SPL_BINARY, and SPL_SYMLINK definitions Rifenbark, Scott M
2013-11-25 18:02 ` William Mills
2013-11-25 18:05 ` Rifenbark, Scott M
2013-11-25 18:24 ` Denys Dmytriyenko [this message]
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