This reverts commit 03ca71c38d.

(0x7ef4) tends to really screw up anything that loads at 0x7c00...

structures.

DHCP still broken and #if 0'd out.

entirely self-hosted (which avoids problems when building the same
tree on multiple systems - e.g. when you have /home NFS-mounted).

Also saves around 50 bytes in total - not sure why.

entirely self-hosted (which avoids problems when building the same
tree on multiple systems - e.g. when you have /home NFS-mounted).

Also saves around 50 bytes in total - not sure why.

Achieved via Perl using:

perl -pi -e 's/pk_buff/io_buffer/g; s/Packet buffer/I\/O buffer/ig; ' \
	-e 's/pkbuff\.h/iobuf.h/g; s/pkb_/iob_/g; s/_pkb/_iob/g; ' \
	-e 's/pkb/iobuf/g; s/PKB/IOB/g;'

Generate DHCP data block for images.

block, so first32.c dies immediately.

image file.

ISA 3c509 is currently non-functional, although the EISA (3c509-eisa) and
MCA (3c529) variants should build OK.

None of this code is yet tested.

clean separation between loading and starting, but does mean that more
PXE stacks survive the process.

Added basic El Torito ISO image boot capability

provided by the divl instruction.

version.

somewhat redundant, and also causes gas to complain when we include
the profiling code (which uses an i586 instruction).

reflect the fact that they allocate and deallocate user memory (i.e.
things reached through a userptr_t).

doesn't want to go to the hassle of processing a full memory map.

initrds.

Parse command line for "vga=" and "mem=" parameters

Add a path for isolinux.bin that is correct on my system; hopefully it
will work on others too.

Move pxe_boot() code to pxe_image.c

Shut down before jumping to the multiboot image.

do it.