qemu + seaslic

seaslic.sh

# usage: qemu-kvm -acpitable file=FILE/TO/374/BYTES/SLIC/BIN

# You may wish to modify the path to your own

SLIC_PATH=""
if [ "${SLIC_PATH}" == "" ]; then
  SLIC_PATH="/sys/firmware/acpi/tables/SLIC"
fi
git clone git://github.com/ghuntley/seaslic
cd seaslic
git submodule init
git submodule sync
git submodule update
cd seabios.submodule 
git reset --hard && git clean -f
patch -p1 < ../seabios.patch

xxd -i ${SLIC_PATH} | grep -v len | sed 's/unsigned char.*/static char SLIC[] = {/' > src/acpi-slic.hex

# the modify comes from bit.ly/SZWrWP
echo "LS0tIHNyYy9hY3BpLmMubm9hY3BpCTIwMTItMTItMTYgMTc6MjI6MzkuMjI0MTAzNzQ5ICswODAw
CisrKyBzcmMvYWNwaS5jCTIwMTItMTItMTYgMTc6NDA6MjEuOTY2OTU5MzM4ICswODAwCkBAIC02
MzUsNyArNjM1LDcgQEAKICAgICBBQ1BJX0lOSVRfVEFCTEUoYnVpbGRfaHBldCgpKTsKICAgICBB
Q1BJX0lOSVRfVEFCTEUoYnVpbGRfc3JhdCgpKTsKIAotI2lmZGVmIENPTkZJR19PRU1fU0xJQwor
I2lmIDAKICAgICB7IHZvaWQgKmJ1ZiA9IG1hbGxvY19oaWdoKHNpemVvZihTTElDKSk7CiAgICAg
ICBpZiAoIWJ1ZikKICAgICAgICAgd2Fybl9ub2FsbG9jKCk7Cg==" | base64 -d > seaslic.patch

# this patch enable SLIC table hotplug. you may not like this feature.
# patch -p0 < seaslic.patch
make
ls out/bios.bin
echo you may now copy out/bios.bin to /usr/share/qemu-kvm/

thank you very much.