Haavard Skinnemoen wrote:
> On Wed, 26 Mar 2008 15:16:44 +0100
> Wolfgang Denk <[EMAIL PROTECTED]> wrote:
>
>> now that the new image format has been merged into mainline, I
>> propose that we make it mandatory for all newly added boards. That
>> means, that each new board that gets added shall at least contain
>>
>> #define CONFIG_FIT 1
>>
>> in it's board config file; I recommend to add also
>>
>> #define CONFIG_FIT_VERBOSE 1 /* enable
>> fit_format_{error,warning}() */
>>
>>
>> Can we agree on this?
>
> Oh my...
>
> Configuring for atstk1002 board...
> text data bss dec hex filename
> 112936 8032 216860 337828 527a4 ./u-boot
>
> with CONFIG_FIT and CONFIG_OF_LIBFDT enabled, compared to
>
> text data bss dec hex filename
> 87724 6840 215848 310412 4bc8c ./u-boot
>
> on v1.3.2. That's 26KB...do we really want to make something _that_
> expensive mandatory? Or can I somehow disable the old code to reclaim
> some of it?
>
> Haavard
On a PowerPC target that includes libfdt already...
Configuring for MPC8360EMDS board with CONFIG_FIT:
text data bss dec hex filename
231588 12072 26836 270496 420a0 ./u-boot
without CONFIG_FIT:
text data bss dec hex filename
211648 11604 26796 250048 3d0c0 ./u-boot
delta text = 19940 (19.5K). Still pretty heavy. :-/ I have not looked
at where the weight is coming from, just thought it would be interesting
to see what the delta looked like when libfdt was already included. I
was expecting a bigger hit from libfdt and less from FIT. Hmmmm.
Best regards,
gvb
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