Treiberenwicklung in C HW 1

Question 1

Wie kann man sich die Architektur eines Linux Systems anschauen?

Answer 1

mit dem Befehl umame

Question 2

How can you instruct gcc to produce statically linked binaries?

Answer 2

gcc -c sysinfo.c
gcc -Wall sysinfo.o -o sysinfo -static
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Question 3

What is the relation between the menuconfig and the .config file in the kernel source directory?

Answer 3

The .config file stores all configurations from the menuconfig setup

Question 4

Which is the binary that represents bootable kernel image?

Answer 4

arch/x86_64/boot/bzImage

Question 5

Which TTY-device do you need to pass to the kernel for console input/output?

Answer 5

Device 8250

qemu-system-x86_64 -m 64 -nographic -kernel vmlinux -append console=8250

Question 6

What is the complete qemu command line to run your sysinfo application as the init process?

Answer 6

qemu-system-x86_64 -m 64 -nographic -kernel arch/x86_64/boot/bzImage -append “init=sysinfo console=8250” -initrd “bin/initrd.cpio”