[U-Boot] [PATCH 1/6] h2200: Add support for iPAQ h2200

Marek Vasut
2012-09-19T22:56:19Z

Dear ?ukasz Da?ek,

> On 20.09.2012 00:42, Marek Vasut wrote:
> > Dear ?ukasz Da?ek,
> >
> >> On 20.09.2012 00:01, Marek Vasut wrote:
> >>> Yes, GCC/GAS generate 0xeafffffe (b 0x9098).
> >>>
> >>> Can you tell me why? Can I left .word?
> >>> Why is the jump offset 0x9098 ?
> >>
> >> I figured out that 0xeafffffe is a loop (b -4)
> >
> > ldr pc, pc, #-4
> >
> >> but I don't know
> >> why toolchain generate b -4 instead of b 0x1000 and I don't
> >> know how to fix it (without .word).
> >
> > I don't follow, sorry. How did you even get to 0xeafffffe ?
>
> My point is that GCC/GAS generate 0xeafffffe instead of 0xea0003fe when
> I use 'b 0x1000'.

How did you get to 0x1000 ?

> That's why I use directive .word 0xea0003fe

Check some arm instruction quick ref for what 0xea0003fe really is and if it
really is necessary or anything else work just fine as well.

> instead of
> asm instruction 'b 0x1000'. But I don't know that: Can I leave that .word
> directive or I can not.
>
> Another question: I asked in cover letter question about tools. Can I add
> them in h2200 directory or should I put them somwhere else?

I didn't receive the cover letter.

> ?ukasz Da?ek

Best regards,
Marek Vasut