[U-Boot] [PATCH 0/57] RFC: Move arch-specific global data into its own structure

Simon Glass sjg at chromium.org
Wed Dec 5 01:02:10 CET 2012


Hi Wolfgang,

On Tue, Dec 4, 2012 at 11:27 AM, Wolfgang Denk <wd at denx.de> wrote:
> Dear Graeme Russ,
>
> In message <CALButCJqp4CPvpwc_ri9fp6tcd=Az-7Si=FMMc0adWBHMDtVQw at mail.gmail.com> you wrote:
>>
>> I agree. While gd->arch does look a bit 'ugly', it immediately unlocks
>> the path forward to unifying the init loop. The x86 board.c would be a
>> good start (IMNSHO) by simply making the init sequence arrays extern.
>> From there we can tackle what really needs to be in gd and what can
>> simply be run of the mill global variables. I think most of what is
>> under gd->arch may just 'fall out'
>
> OK, it seems I have the weekest arguments.  I will not fight about
> that.
>
> But I would definitely like to know exactly how much we pay for in
> terms of code size.

I will measure this and report in a day or two (have sneaked out of the office).

Regards,
Simon

>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> Program maintenance is an entropy-increasing process,  and  even  its
> most skilfull execution only delays the subsidence of the system into
> unfixable obsolescence.       - Fred Brooks, "The Mythical Man Month"


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