commit 6c73082462f3075226d3910e25e5e2ed8b94bb38 parent 598db83ca77f39c4c3f9d9b7e87c0ac55a479a18 Author: Brian Swetland <swetland@frotz.net> Date: Sat, 4 Jan 2014 11:56:16 -0800 notes on creating a syslinux based bootable image Currently xv6 has problems running in this configuration, but once that's sorted this will allow for boot from USB flash drives, etc. Diffstat:
| A | README.syslinux | | | 35 | +++++++++++++++++++++++++++++++++++ |
1 file changed, 35 insertions(+), 0 deletions(-)
diff --git a/README.syslinux b/README.syslinux @@ -0,0 +1,35 @@ + +# create a 513MB disk with 512MB partition 1 +% truncate -s 513M hdd +% fdisk hdd +n / p / 1 / <enter> / <enter> +a / 1 +w + +# configure mtools to see the first partition on that image +% cat <<EOF > mtools.rc +drive s: + file="hdd" + offset=1048576 + cylinders=512 heads=32 sectors=32 + mformat_only +EOF +% export MTOOLSRC=mtools.rc + +% mformat s: + +# install and configure syslinux +% dd if=/usr/lib/syslinux/mbr.bin of=hdd bs=440 count=1 conv=notrunc +% syslinux -t 1048576 -i hdd +% mmd s:syslinux +% mcopy -o /usr/lib/syslinux/mboot.c32 s:syslinux +% echo 'DEFAULT mboot.c32 /kernel.elf' > syslinux.cfg +% mcopy -o syslinux.cfg s:syslinux/syslinux.cfg + +# install xv6 +% mcopy -o out/kernel.elf s:kernel.elf + +# boot +% qemu-system-i386 hdd -net none + +