[uClinux-dev] Question regarding ucLinux update for ucGardener/simm (fwd)

Tom Walsh tom at cyberiansoftware.com
Wed Nov 28 16:52:39 EST 2001


David McCullough wrote:
> 
> Jivin Per Winkvist lays it down ...
> [...]
> > When I did the make menuconfig "uc-libc" was predefined. I believe uclibc
> > a much better alternative since I had "LIBC:PRINTF" problems with the
> > former. When I chose uclibc I got a several compilation errors... Am I
> > missing something ?
> 
> No,  the tree doesn't get a lot of uClibc use on the m68k processors,
> the "LIBC:PRINTF" error you see is because uC-libc doesn't have floating
> point compiled in.  If you want to use floating point,  link in -lm
> something like:
> 
>         m68k-elf-gcc -m68000 -Wl,-elf2flt -o c c.c -lm -lc
> 
> > Can I set the CONSOLE_BAUD_RATE to 115000 in config.arch to get snappier
> > serial terminal ? Why is it 9600 by default ?
> 
> The uCsimm target doesn't honour the CONSOLE_BAUD_RATE option in
> config.arch,  you will need to hack the serial driver or the config/setup
> code for the uCsimm to change this.
> 
> Someone here may know a better way or be able to tell you exactly how to do
> it,
> 

David,

Can't we add that as a CONFIG_BUAD_XXXXX option into the config menus? 
Or, are we going to create problems for ourselves in maintaining this
special code?

TomW

-- 
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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