x86 Bare Metal Examples

Minimal operating systems to learn low level programming.

1. Getting started
2. About
3. Examples
   1. printf
   2. min
   3. No ld script
   4. BIOS
      1. one char
      2. hello world
         1. NASM
      3. newline
      4. carriage return
      5. cursor position
      6. color
      7. background
      8. scroll
         1. clear screen
      9. pixel
         1. pixel line
      10. keyboard
          1. keyboard loop
      11. disk load
          1. disk load 2
      12. detect memory
   5. Initial state
   6. reboot
   7. Not testable in userland
      1. Segment registers
         1. SS
         2. CS
      2. Interrupt
         1. int $1
         2. Interrupt zero divide
         3. Interrupt loop
         4. lidt (TODO)
      3. in
         1. in keyboard
         2. in RTC
         3. in PIT (TODO)
         4. in beep
         5. in beep_illinois
         6. in mouse (TODO)
      4. Protected mode
         1. Segment base
         2. Segmentation fault handler: memory bound, ring, RWX violations
   8. APM
      1. APM shutdown
      2. APM shutdown 2
   9. Multiboot
   10. GRUB
   11. TODO not working
       1. UEFI
   12. Misc
       1. hajji
4. Theory
   1. Modes of operation
      1. Segmentation
   2. Formats
      1. MBR
   3. IO
      1. BIOS
      2. APM
   4. Debug
   5. Bibliography
5. TODO