参考http://balau82.wordpress.com/2010/03/10/u-boot-for-arm-on-qemu/
1. 下载uboot
wget ftp://ftp.denx.de/pub/u-boot/u-boot-2010.03.tar.bz2
tar –xjvf u-boot—2010.03
2. 编译
cd u-boot-2010.03
make versatilepb_config ARCH=arm CROSS_COMPILE=arm-linux-uclibcgnueabi-
make all ARCH=arm CROSS_COMPILE=arm-linux-uclibcgnueabi-
3.使用qemu启动仿真
qemu-system-arm -M versatilepb -nographic -kernel u-boot.bin
4. 结束qemu仿真
hit “Ctrl-a” and then “x” to exit QEMU