littleOS

Début d'implementaiton du little book about OS development http://littleosbook.github.io/

2. First Step

• loader.s

• grub

• geniso

• utilisation de qemu au lieu de bosh : qemu-system-x86_64 -boot d -cdrom os.iso -m 4 -monitor stdio

• commande monitor : info registers (qemu) info registers EAX=cafebabe EBX=0002cd80 ECX=00000001 EDX=00000000

3. Getting to C

• kmain.c
• Makefile

4. Output

• io.s .h
• framebuffer.c .h
• serial.c .h

5. Segmentation

• gdt.s
• memory_segment.c .h

6. Interrupts and Input

• interrupt_handlers.s
• interrupts.c .h
• pic.c
• keyboard.c .h

7. The Road to User Mode

• multiboot.h
• program.s ( nasm -fbin modules/program.s -o modules/program )

9 Paging

• paging_init.s
• paging.c

Resources

• http://wiki.osdev.org
• https://github.com/tuhdo/os01
• https://0xax.gitbooks.io/linux-insides/content/
• https://intermezzos.github.io/
• http://os.phil-opp.com/
• http://www.cs.bham.ac.uk/~exr/lectures/opsys/10_11/lectures/os-dev.pdf