Hi Dan:

Thanks for your advice.
The bootloader that I am using with vxWorks uses FTP but not TFTP.
And I don't have the source code of that bootloader. I think there
are maybe some problems to use it download and boot linux. So I hope
to find a TFTP source code and program a bootloader by myself.
Of course, if anybody has a presented bootloader source code,
that's great.

LiuTao

Dan Malek wrote:

LiuTao wrote:

quoted

........ The board
is running well with vxWorks now.
I want to make a bootloader on the board.

How do you load vxWorks?  I have worked on several vxWorks projects,
and all of the systems had the vxWorks TFTP loader in the rom.  Use
the same thing (whatever that is) to load the Linux/PPC image.

The zImage is linked such that you can just treat it as a bag o' bits
to dump into memory.  Even with non-standard boot loaders, all you
need to do is write a simple program to strip the 64K ELF header, place
your own header on the top, make sure it gets loaded above 0x180000
and jump to the start of the image.

        -- Dan

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/