Boot Mac OS X Tiger in QEMU with full networking support

qemu_boot_tiger.sh

HDD="/path/to/MacOS_Tiger_HDD.qcow2"
CDROM="/path/to/Mac_OS_X_10.4_Tiger_Installer.iso"

IFACE="your-parent-nic-name-here"
IFACEMAC="FC:FC:48:c0:ff:ee"
TAP="tap0"

NETBKND="tigernet0"
NICMODEL="rtl8139"

sudo ip tuntap add $TAP mode tap
sudo ip link set $TAP up
sleep 1
sudo ip link set $TAP master $IFACE

qemu-system-ppc \
  -L pc-bios \
  -boot c \
  -M mac99,via=pmu \
  -m 1024 \
  -cpu G4 \
  -g 1024x768x32 \
  -prom-env 'auto-boot?=true' \
  -prom-env 'boot-args=-v' \
  -prom-env 'vga-ndrv?=true' \
  -hda $HDD \
  -device usb-tablet \
  -netdev tap,id=$NETBKND,ifname=$TAP,script=no,downscript=no \
  -device $NICMODEL,netdev=$NETBKND,mac=$IFACEMAC \
  -no-reboot

sudo ip link del $TAP