Re: For comment: draft BIOS use document for the kernel

Albert D. Cahalan
2001-06-22T19:25:19Z

Alan Cox writes:
> [somebody]

>> I could not find any reference to BIOS int 0x15, function 0x87,
>> block-move, used to copy the kernel to above the 1 megabyte
>> real-mode boundary. I think this is still used.
>
> I dont think the kernel has ever used it. The path has always been to
> enter 32bit mode then relocate/uncompress the kernel, then run it

There are several non-kernel BIOS users:

lilo
grub
syslinux
XFree86 (using virtual-8088 to run a video BIOS for a second card?)
dosemu?
loadlin?
the boot block that reads ext2 (in 1 kB -- damn what a hack)