Comment linux kernel code

learn linux kernel with qemu simulator

how to use

./download.sh
make busybox
make vexpress_kernel
./qemu-kernel.sh

qemu options you can speicify:

• -S hold in the first instruction

how to debug with gdb

waiting for composing

about making rootfs

• how many ways to identify a rootfs ?

how to use tap netdevice in qemu

-net tap,vlan=0,name=tap0

sudo apt install uml-utilities bridge-utils
sudo brctl addbr br0
sudo brctl stp br0 on
sudo brctl addif br0 ens33
sudo ifconfig ens33 10.1.1.1
sudo dhclient br0

sudo tunctl -t tap0 -u redstar

sudo ifconfig tap0 promisc up
sudo ifconfig tap0 10.1.1.2


sudo brctl delif br0 ens33
sudo brctl delif br0 tap0
sudo tunctl -d tap0
sudo ifconfig br0 down
sudo brctl delbr br0