RedBoot? (ARM newlib build)

[Bill Gatliff]

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



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