[yocto] Customize syslinux root=???

[Mauro Ziliani]

Hi all.

I'm working with Thud and Ibase ib550f board (AMD Geode arch).

I make the BSP for ib550f an I build the  core-image-minimal image.

Than with wic I try to write the final directdisk file. The ib550f run 
from a CompactFlash.

The CF is mapped into the device /dev/hdb (the boot partition is 
/dev/hb1, the root partition /dev/hdb2).

I read many docs of Yocto but I don't find what I need.


The syslinux is always the bootloader choosen by wic: I'd like to use 
other booloader like grub.

And syslonux get /dev/sda2 has root parameter appended to syslinux.

I try to set SYSLINUX_ROOT := "root=/dev/hdb2" (in local.conf and in 
core-image-minimal.bbappend), but my setup is ignored


How can I customize syslinux to change SYSLINUX_ROOT=/dev/hdb2


Thanks all.

Mauro