From: Guillermo Rodriguez Garcia <guille.rodriguez@gmail.com>
To: "ptxdist@pengutronix.de" <ptxdist@pengutronix.de>
Subject: Re: [ptxdist] Question related to multiple UBI volumes in UBI image
Date: Wed, 26 Oct 2016 17:11:43 +0200 [thread overview]
Message-ID: <CABDcavYif99TTE7-QJX3+nakOgV7Pt7SWaQKTp=fFLPhNOC+1A@mail.gmail.com> (raw)
In-Reply-To: <20161026150242.ecpac4ie6shr57do@pengutronix.de>
2016-10-26 17:02 GMT+02:00 Michael Olbrich <m.olbrich@pengutronix.de>:
> On Wed, Oct 26, 2016 at 04:53:21PM +0200, Guillermo Rodriguez Garcia wrote:
>> 2016-10-26 11:15 GMT+02:00 Michael Olbrich <m.olbrich@pengutronix.de>:
>> > On Wed, Oct 26, 2016 at 10:16:05AM +0200, Guillermo Rodriguez Garcia wrote:
>> >> I have two questions related to handling of multiple UBI volumes in ptxdist.
>> >>
>> >> 1. I see it is possible to create an additional "data" volume. Is it
>> >> possible to tell ptxdist what to put in this additional volume? Or is
>> >> it always empty?
>> >
>> > If you use the new image mechanism, then that's possible. The config file
>> > is config/images/ubi.config and you just need to copy it to the same
>> > location in your BSP and add another 'partition' with the data ubifs image.
>> >
>> > You should also overwrite the .in file (platforms/image-root-ubi.in) to add
>> > the dependency to your data image.
>>
>> Thank you for your answer, I didn't know about the "new image mechanism".
>>
>> I see it depends on an external 'genimage' tool. I am a bit nervous
>> about switching at this stage. What I ended up doing is creating a
>> local rules/post/image_ubi.make file in my BSP. This just redefines
>> the $(IMAGEDIR)/root.ubi target so that instead of using the default
>> ubi.ini file from ptxdist, it will use a custom ubi.ini file.
>>
>> I assume that I can override a .make file in rules/post just I would
>> override a .make file in rules/. I have confirmed that this works -- I
>> just want to make sure it is not working just out of luck :-)
>>
>> Do you see any obvious problems with this approach?
>
> rules/post/ works differently. You don't replace files from ptxdist. So
> you'll get some ugly 'warning: overriding recipe for target ...' warnings,
> right? That was one of the reasons for the new image mechanism.
Yes, that's right. I do get a warning from make.
>
> Other than that it should work fine. Your files in rules/post/ will always
> be sourced last.
Great. Thank you for the feedback and advice!
Guillermo Rodriguez Garcia
guille.rodriguez@gmail.com
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prev parent reply other threads:[~2016-10-26 15:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-26 8:16 Guillermo Rodriguez Garcia
2016-10-26 9:10 ` Guillermo Rodriguez Garcia
2016-10-26 9:15 ` Michael Olbrich
2016-10-26 14:53 ` Guillermo Rodriguez Garcia
2016-10-26 15:02 ` Michael Olbrich
2016-10-26 15:11 ` Guillermo Rodriguez Garcia [this message]
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