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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 09/11] defaultenv-2: boot/net add bootp support
Date: Sat, 8 Sep 2012 16:51:25 +0200	[thread overview]
Message-ID: <20120908145125.GB20330@game.jcrosoft.org> (raw)
In-Reply-To: <20120908134706.GB18243@pengutronix.de>

On 15:47 Sat 08 Sep     , Sascha Hauer wrote:
> On Sat, Sep 08, 2012 at 08:17:30AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 07:40 Sat 08 Sep     , Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > On 20:21 Fri 07 Sep     , Sascha Hauer wrote:
> > > > On Fri, Sep 07, 2012 at 02:13:35PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> > > > 
> > > > Given that the bootp support seems to have nearly nothing in common
> > > > with the boot/net file wouldn't it be better to just add a new file
> > > > boot/bootp?
> > > why not with the boot sequence we can do so
> > I try to implement it but at the end we duplicate it
> > As we may want to just pass the rootpath via bootp
> > 
> > and the reset hardcoded
> > 
> > It's better to keep it's support in the same file as the static params are
> > fallback one
> 
> I really don't like the approach at all.
> 
> The current /env/boot/* scripts are written with the intention that they
> should be simple scripts which are easily adjustable. They are also
> meant as templates to add other board/company/project specific files.
> 
> Now it only takes one patch series to turn them into complex scripts
> which after staring at them for half an hour I still not fully
> understand. I don't understand why this must be so, because it seems
> what the scripts do is a complex way of saying:
> 
> path=/mnt/tftp
> global.bootm.image="${path}/${global.dhcp.bootfile}"
> global.bootm.oftree="${path}/${global.dhcp.oftree_file}"
> nfsroot="${global.dhcp.rootpath}"
> bootargs-ip
> bootargs-root-nfs -n "$nfsroot"
> 
> Since you introduced a boot sequence support it should be easy to try
> bootp like above and fall back to the regular net boot if it fails.
no as the the nfsroot or global.bootm.oftree or global.bootm.image
may or may not specified via dhcp

the oftre is the perfect example you want use the one in the env if
not specify it via dhcp and so on

This was a feature of the defaultenv that I use for long time
I need to keep it

Best Regards,
J.
> 
> Sascha
> 
> -- 
> Pengutronix e.K.                           |                             |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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  parent reply	other threads:[~2012-09-08 14:51 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-07 12:07 [PATCH 00/11 v2] defaultenv-2: " Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13 ` [PATCH 01/11] defaultenv: enable glovalvar support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 02/11] defaultenv: switch hostname to global.hostname Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 03/11] dhcp: switch to global var support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 04/11] dhcp: add copy_only_if_valid support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 05/11] dhcp: add retries limit support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 06/11] defaultenv-2: eth0 add default global.dhcp.vendor_id Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 07/11] defaultenv-2/ip: add dhcp-barebox support Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 14:04     ` Sascha Hauer
2012-09-08 14:23       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 08/11] defaultenv-2: add ifdown support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 09/11] defaultenv-2: boot/net add bootp support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 18:21     ` Sascha Hauer
2012-09-08  5:40       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08  6:17         ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 13:47           ` Sascha Hauer
2012-09-08 14:42             ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 14:48               ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 15:10               ` Sascha Hauer
2012-09-08 17:13                 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 14:51             ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-09-08 15:27               ` Sascha Hauer
2012-09-08 17:12                 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 17:22                   ` Sascha Hauer
2012-09-08 17:35                     ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 18:11                       ` Sascha Hauer
2012-09-08 13:56     ` Sascha Hauer
2012-09-08 14:37       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 15:09         ` Sascha Hauer
2012-09-08 17:14           ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 18:12             ` Sascha Hauer
2012-09-07 12:13   ` [PATCH 10/11] defaultenv-2: add net boot support with kernel and oftree via nfs Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 11/11] defaultenv-2: add symbolic link support to boot/nfs Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 13:49     ` Sascha Hauer
2012-09-08 14:47       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 17:09         ` Sascha Hauer

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