Use loader to load kernel.gz and mfsroot.gz in ext2 filesystem?

[=?gb2312?B?wfUg0e8=?=]

Hi,sorry to bother you^-^

I have a problem about the loader of freebsd

I put loader,kernel.gz and mfsroot.gz in an ext2(dos) file system on 
harddisk,and hope to directly use grub or use grub and loader(or other 
means?) to boot the system.

When I use grub to transfer loader,I find it(freebsd loader) can't read 
files in ext2(dos) file system,and when i use grub 0.93 of redhat 9.0 to 
directly load mfsroot.gz by "initrd /mfsroot.gz",it fails with "linux 
kernel must be loaded before initrd".

My goal is to put install.cfg,freebsd kernel and mfsroot on harddisk,then 
boot from harddisk into freebsd,and install it from original freebsd cd.

Any one helps?
any answers are appreciated.^-^

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