Re-partitioning flash

Hello, 

I'm using hh bootloader on my SL4 (the version compiled for
0.9.0-rc1 opensimpad build). It has the following partitions
defined in flash: 

0x00000000-0x00040000 : "bootldr"
0x00040000-0x01800000 : "root"
0x01800000-0x02000000 : "home" 

I would like to get rid of /home partition and make root partition
occupy remaining space. I'm aware that I need to pass static partition
definition to the kernel. But do I need to change anything in the
bootloader? How does bootloader finds partitions in flash? Does it
just scans all flash or it has some parameters which statically
define partitions? Is it safe to assume that I can just drop
to boot> prompt, delete root and home partitions, then create one
large root partition, erase it and copy jffs2 image to it?
Would it work?
Thanks,
 -albertr 



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