[avr-libc-dev] RE: [RFC] Unified ELF file

[Eric Weddington]

> -----Original Message-----
> From: Colin O'Flynn [mailto:address@hidden
> Sent: Thursday, September 20, 2007 12:51 PM
> To: Eric Weddington
> Cc: 'Erik Christiansen'; address@hidden; 'Rick Altherr'
> Subject: Re: [RFC] Unified ELF file
>
> Hello,
>
> > We cannot declare the fuse variable, assign the default value in
> > the header file, and then allow the user to then assign a
> different value
> > in their .c file outside of a function.
>
> How would you feel about declaring the fuses in the makefile?
> As in have a
> line something like
>
> LFUSE = CKSEL0 & SUT0
>
> For example. This Define's the value 'LFUSE', which we just
> have in fuse.h:
>
> unsigned char __lfuse __attribute__((section (".lfuse"))) = LFUSE;
>
> Then the option is to either error out if the user doesn't do
> anything about
> fuses in the makefile (aka: using an old Makefile with
> updated avr toolchain)
> or just define LFUSE to be the default value. Probably
> setting it to a
> default would be the least hassle for users.

I'd rather not have to also change a Makefile. Doing that would affect users
of AVR Studio and its generated Makefile, which I would rather not change at
this time.


<snip: attachement problems>

> Also once you do decide on the layout of the ELF file, let me
> know. I still
> have all the code for avrdude - so can change that around to
> work with your
> layout.

That's good. We'll need it soon.