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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Ian Lepore <ian@FreeBSD.org>
Subject: Re: TFTP single file kernel load
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>
> Basically what needs doing is to link the kernel with a modified
> ldscript that doesn't add space for the program headers, and then run
> the output of that link through "objcopy -S -O binary" to create a
> kernel.bin file.  That file can be directly loaded to the address it was
> linked for, and a jump to the load address launches the kernel.

is btxld(8) a tool i have to use after making kernel.bin file?

what should i use for -b and -l



> Whether the kernel runs properly when launched that way is a different
> question.  An arm kernel will run that way because we haven't had the
> luxury of loader(8) in the arm world until recently.  The x86 kernel may
> expect values in the environment that the loader obtained from the bios.

it can be loaded without loader for now - if you press a key before 
loader(8) is loaded and enter kernel image.

at least it was like that.