$ mkdir kernel
$ cd kernel

$ git clone http://android.googlesource.com/kernel/goldfish.git

$ cd goldfish

$ git branch -a

$ git checkout remotes/origin/android-goldfish-2.6.29

$ export PATH=$PATH:~/WORKING_DIRECTORY/prebuilt/linux-x86/toolchain/arm-eabi-4.4.3/bin

# ARCH 		?= (SUBARCH)
# CROSS_COMPILE	?=

ARCH 		?= arm
CROSS_COMPILE	?= arm-eabi-

$ export ARCH=arm
$ export SUBARCH=arm
$ export CROSS_COMPILE=arm-eabi-

$ source build/envsetup.sh  // 缺少这条指令，可能会导致无法编译通过
$ lunch full-eng            // 缺少这条指令，可能会导致无法启动模块器，系统无法找到AVD，并要求你创建AVD

$ make goldfish_armv7_defconfig
$ make

$ export PATH=$PATH:~/WORKING_DIRECTORY/out/host/linux-x86/bin
$ export ANDROID_PRODUCT_OUT=~/WORKING_DIRECTORY/out/target/product/generic
$ emulator -kernel ~/WORKING_DIRECTORY/kernel/goldfish/arch/arm/boot/zImage &

$ adb shell
# cd proc
# cat version