[Buildroot] [PATCH 1/4] mkpimage: new host package

[Jan Viktorin <viktorin@rehivetech.com>]

Hello all,

thank you for your interest...

On Mon, 19 Oct 2015 23:12:21 +0200
Maxime Hadjinlian <maxime.hadjinlian@gmail.com> wrote:

> On Mon, Oct 19, 2015 at 11:06 PM, Yann E. MORIN <yann.morin.1998@free.fr>
> wrote:
> 
> > Thomas, All,
> >
> > On 2015-10-19 22:53 +0200, Thomas Petazzoni spake thusly:  
> > > On Mon, 19 Oct 2015 21:04:51 +0200, Maxime Hadjinlian wrote:  
> > > > > +ifndef HOSTGO
> > > > > +HOSTGO := go
> > > > > +HOSTGO := $(shell which $(HOSTGO) || type -p $(HOSTGO) || echo go)
> > > > > +endif  
> > >
> > > Ouch, having to depend on Go for such a simple tool is indeed not very
> > > nice :-/  
> >
> > Or we can eventually look at the Go package that was submitted a while
> > back, and to which I contributed:
> >     https://patchwork.ozlabs.org/patch/502222/
> >
> > ;-)
> >  
> > > > Even I don't use this tool anymore, after I reversed the code from  
> > Altera's  
> > > > own tool, they released the documentation for the SPL signing and the  
> > fine  
> > > > people at Barebox, created a small program (in C) that does exactly the
> > > > same, which you can find there:
> > > >  
> > http://git.pengutronix.de/?p=barebox.git;a=blob;f=scripts/socfpga_mkimage.c;h=1a7a66d98841e9f52c3ea49c651286aa1412c9a5;hb=HEAD  
> > > >
> > > > However, I don't know how you would integrate such a tool, having a  
> > special  
> > > > package ? Making U-Boot depends on Barebox sounds a bit crazy. But it  
> > would  
> > > > be lighter than having to grab the go compiler for such a simple  
> > program.  
> > >
> > > I agree. Unfortunately, downloading directly
> > >  
> > http://git.pengutronix.de/?p=barebox.git;a=blob_plain;f=scripts/socfpga_mkimage.c;h=$(MKPIMAGE_VERSION);hb=HEAD  
> > > doesn't work because this URL contains ';' which our download
> > > infrastructure doesn't like much.
> > >
> > > However, this program is so simple that I would advocate taking the
> > > makedevs route: simply integrate the program source code itself inside
> > > Buildroot, in package/mkpimage/.  
> >
> > Yup, agreed.

Agreed. my intention was more like to tell the user: "install your own
Go compiler to use this".

> >  
> Agreed too, I'll send the current package that I have that does just that.
> Jan: I'll put you in CC so if you want to work with it/on it, feel free !

Great!

By the way, there is still the fundamental question. Is the mkpimage
really necessary? I can boot the Altera SoC Development Kit without
running it. What is the value of doing that? Does it support the secure
boot sequence? Does it depend on some DIP switch on the board?

Jan

> 
> >
> > Regards,
> > Yann E. MORIN.
> >
> > --
> >
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> >
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> >  



-- 
  Jan Viktorin                E-mail: Viktorin at RehiveTech.com
  System Architect            Web:    www.RehiveTech.com
  RehiveTech
  Brno, Czech Republic