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ALS 2000 Abstract
LOBOS: (Linux OS Boots OS) Booting a Kernel in 32-bit Mode
Ron Minnich, Los Alamos National Labs
Abstract
LOBOS (Linux Os Boots OS) is a system call that allows
a running Linux kernel to boot a new kernel, without leav-ing
32-bit protected mode and, in particular, without using
the BIOS in any way. This capability in turn allows Linux
to be used as a network bootstrap program and even as a
BIOS, both of which we are working on now. In this pa-per
we discuss how LOBOS works, how we use it, and
how LOBOS makes Linux usable as a BIOS, replacing
the proprietary PC BIOSes we have today. 1 . LOBOS
has been used by two other groups as a reference imple-mentation
for their Linux-boots-Linux system calls. One
of these other implementations, bootimg, may become a
part of the 2.4 kernel.
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