（四）QEMU仿真启动zynq7

1、source  ./oe-init-build-env

2、MACHINE=qemu-zynq7 bitbake core-image-minimal

3、runqemu qemu-zynq7

runqemu - INFO - Assuming MACHINE = qemu-zynq7
runqemu - INFO - Running MACHINE=qemu-zynq7 bitbake -e...
runqemu - INFO - MACHINE: qemu-zynq7
runqemu - INFO - DEPLOY_DIR_IMAGE: /home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7
runqemu - INFO - Running ls -t /home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/*.qemuboot.conf...
runqemu - INFO - CONFFILE: /home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/core-image-minimal-qemu-zynq7-20180813072804.qemuboot.conf
runqemu - INFO - Continuing with the following parameters:

KERNEL: [/home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/uImage]
DTB: [/home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/qemu-zynq7.dtb]
MACHINE: [qemu-zynq7]
FSTYPE: [cpio]
ROOTFS: [/home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/core-image-minimal-qemu-zynq7-20180813072804.rootfs.cpio]
CONFFILE: [/home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/core-image-minimal-qemu-zynq7-20180813072804.qemuboot.conf]

runqemu - INFO - Running /sbin/ip link...
runqemu - INFO - Setting up tap interface under sudo
[sudo] jf-yt 的密码： 
runqemu - INFO - Acquiring lockfile /tmp/qemu-tap-locks/tap0.lock...
runqemu - INFO - Created tap: tap0
runqemu - INFO - Running ldd /home/jf-yt/poky/build/tmp/sysroots/x86_64-linux/usr/bin/qemu-system-aarch64...
runqemu - INFO - Running /home/jf-yt/poky/build/tmp/sysroots/x86_64-linux/usr/bin/qemu-system-aarch64 -netdev tap,id=net0,ifname=tap0,script=no,downscript=no -net nic,netdev=net0,macaddr=52:54:00:12:34:02  -machine xilinx-zynq-a9  -m 1024 -initrd /home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/core-image-minimal-qemu-zynq7-20180813072804.rootfs.cpio -nographic -serial null -serial mon:stdio -kernel /home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/uImage -append 'root=/dev/ram0 rw debugshell  mem=1024M ip=192.168.7.2::192.168.7.1:255.255.255.0 console=ttyPS0,115200 earlyprintk ' -dtb /home/jf-yt/poky/build/tmp/deploy/images/qemu-zynq7/qemu-zynq7.dtb
Warning: nic cadence_gem.1 has no peer
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 4.6.0-xilinx-v2016.3 (jf-yt@jf-yt) (gcc version 6.4.0 (GCC) ) #1 SMP PREEMPT Mon Aug 13 15:34:22 CST 2018
[    0.000000] CPU: ARMv7 Processor [413fc090] rev