If you've ever tried to "unbrick" or flash a new firmware onto a Chinese Android box using the Amlogic USB Burning Tool

obj-m += worldcup.o

: It is the essential communication layer for the Amlogic USB Burning Tool Recovery Guide , allowing a Windows PC to recognize a device that won't boot normally.

Create a simple loadable kernel module (LKM) named worldcup that behaves like a . It will accept read() and write() operations, storing a “team name” string in kernel memory.