Re: RedBoot? (ARM newlib build)

[Bill Gatliff <bgat at billgatliff dot com>]

Toralf:


Yes.  See newlib/libc/sys/arm/syscalls.c

b.g.

Toralf Lund wrote:

> Hello again,
>
> > > Toralf:
> > >
> > >
> > > Actually, arm-elf newlib assumes ARM's toolchain (esp. the Angel 
> > > monitor/debugger), which works using SWIs.  The following procedure, 
> > > which I excerpted from one of my training manuals (and I think it's 
> > > on my website somewhere), rebuilds newlib without SWIs.  Please 
> > > pardon the reformatting, it looks much better in PDF.  :^)
> >
> >
> >
> > Ah. Yes. Now I see. I got confused by the fact that I have 
> > redboot-crt0.o, redboot.ld etc. Those are from libgloss, though, not 
> > newlib/libc. I'm now building with the attached patch applied...
>
>
> I turns out that I still get "swi" based read() and write() when doing 
> this. I suspect that some portions of the source code will assume one 
> of the monitors even when none of the flags are specified. Do you 
> happen to know more about this?
>
> - Toralf
>
>
>
> ------
> Want more information?  See the CrossGCC FAQ, 
> http://www.objsw.com/CrossGCC/
> Want to unsubscribe? Send a note to 
> crossgcc-unsubscribe@sources.redhat.com

--
Bill Gatliff
Public embedded GNU and embedded Linux training dates announced!
bgat@billgatliff.com



------
Want more information?  See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/
Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com