Re: [PATCH 0/5] kbuild

[Tom Rini]

On Tue, Jun 15, 2004 at 11:02:40PM +0200, Sam Ravnborg wrote:

> On Tue, Jun 15, 2004 at 12:27:40PM -0700, Tom Rini wrote:
> > 
> > What I don't see is why:
> > 'znetboot - Build a zImage and put into /tftpboot/
> >  uImage - Build an image for U-Boot
> >  rom.img - Build an image to live on ROM
> >  srec - Build an SREC image'
> > 
> > etc, isn't sufficient, in the archhelp.
> 
> Two things.
> 1) You better remember to specify them each and every time.
>    Otherwise uImage gets out of sync with the kernel.

Yes, you better.  If you want the kernel to do a little extra for you,
you need to remember to tell it that.

> 2) I know the srec format, but that is no help to expaling me
>    the actual content of the file.
>    Memory layout, start address or whatever. Where to find this info.
>    Same goes for other targets. I you know your stuff no swaet.
>    But for $random hacker it becomes another obstacle

Let me try this a different way.  The only valid boot targets on ppc32
are:
- zImage (which is what all does)
- znetboot (zImage + copy to /tftpboot/)
- uImage (U-Boot'ify a kernel)

wrt the last one, I'm torn between making it something that always
happens, since it's just so easy, and if it fails, we can just not care
about it (||true it, or something) or just not worry about it, since if
you're using U-Boot most likely you've already flashed it on, and know
what you're doing).

The "pick the right target" mojo done to ppc32 is like doing it on i386,
it's not a good example of what'll be cleaned up.  Same, so it seems,
with ARM.  WRT MIPS, I've pointed Ralf at the thread, and he should
speak up soon, I hope :)

-- 
Tom Rini
http://gate.crashing.org/~trini/
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