ant boot
loader (e.g. as opposed to another type of boot loader that the OS can
also be loaded from).
<LI>EBX must contain the 32-bit physical address of the multiboot_info
structure provided by the boot loader (see below).
</UL>

All other processor registers and flag bits are undefined.  This includes,
in particular:<P>

<UL>
<LI>ESP: the 32-bit OS must create its own stack as soon as it needs one.
<LI>GDTR: Even though the segment registers are set up as described above,
the GDTR may be invalid, so the O