Thanks! I will take a look at U-BOOT.
BTW: Could you please tell me what's the diffence
among U-BOOT, REDBOOT, and YAMON?
Thanks again!
> --- Wolfgang Denk <wd@denx.de> wrote:
> > In message
> >
>
<20050401071559.69834.qmail@web25109.mail.ukl.yahoo.com>
> > you wrote:
> > > > Don't re-invent the wheel. Consider using
> > (porting)
> > > > U-Boot.
> > >
> > > BTW, do you know how big is U-Boot ?
> >
> > Sure :-)
> >
> > This depends on which features you have on your
> > board and configure
> > into U-Boot. Typical image sizes are 150...200 kB
> > with most features
> > enabled (network support including TFTP, DHCP,
> NFS;
> > hush shell with
> > the capability to run shell scripts; support
> for
> > IDE, CompactFlash
> > cards, USB (memory sticks), NAND flash; support
> for
> > DOS, ext2 and
> > JFFS2 filesystems; graphical display on LCD/VGA,
> > splash screen etc.
> > etc.). The biggest configuration I am aware of
> at
> > the moment is
> > 280kB; small configurations can be fit in 128 kB;
> if
> > you really throw
> > out everything you can get rid of you may even
> make
> > it fit into 64kB.
> > As mentioned before: this depends on
> > architecture and hardware
> > features that have to be supported.
> >
> >
> > And referring to the original question: of
> course
> > U-Boot supports
> > booting of compressed images (kernel, ramdisk,
> > other) uzing gzip or
> > gzip2 compression.
> >
> > Best regards,
> >
> > Wolfgang Denk
> >
> > --
> > Software Engineering: Embedded and Realtime
> > Systems, Embedded Linux
> > Phone: (+49)-8142-66989-10 Fax:
> (+49)-8142-66989-80
> > Email: wd@denx.de
> > Respect is a rational process
> > -- McCoy, "The Galileo Seven", stardate 2822.3
> >
> >
>
>
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_________________________________________________________
Do You Yahoo!?
150万曲MP3疯狂搜，带您闯入音乐殿堂
http://music.yisou.com/
美女明星应有尽有，搜遍美图、艳图和酷图
http://image.yisou.com
1G就是1000兆，雅虎电邮自助扩容！
http://cn.rd.yahoo.com/mail_cn/tag/1g/*http://cn.mail.yahoo.com/event/mail_1g/
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