[U-Boot] Query on CONFIG_SYS_THUMB_BUILD
Wolfgang Denk
wd at denx.de
Fri Nov 14 06:43:44 CET 2014
Dear Victor,
In message <54658577.3090807 at gmail.com> you wrote:
>
> >> I am working with a Cortex A5 Freescale Vybrid Processor. Since a thumb build leads to a saving of almost 1 MB for my u-boot image and consequently to faster serial downloads I have been looking at this. Currently enabling this option leads to a hang
> .
> >
> > Saving 1 MB? So how big is your U-Boot image, then?
>
> To be exact
>
> For a thumb build:
> 363288 bytes
>
> For a non thumb build:
> 482072 bytes
That saves 118784 bytes or 116 KiB. This is still a lot, but far from
the dramatic "1 MB" you claimed...
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
The use of COBOL cripples the mind; its teaching should, therefore,
be regarded as a criminal offence.
-- Edsger W. Dijkstra, SIGPLAN Notices, Volume 17, Number 5
More information about the U-Boot
mailing list