chinazi-dictatorship

Ciro Santilli bdcdf02aee Use a common.o file to factor out globals		il y a 9 ans
grub	d4aae6183b Failed attempt at modifying a segment descriptor, split GDB to separate file	il y a 9 ans
hajji	48614b45fa Document hajji working	il y a 9 ans
intel-startup	bd0424f001 Failed smp attempt started	il y a 9 ans
multiboot	d4aae6183b Failed attempt at modifying a segment descriptor, split GDB to separate file	il y a 9 ans
nasm	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
no-linker-script	a8d90ac777 Make osdev example more uniform with the hello world	il y a 9 ans
printf	a8d90ac777 Make osdev example more uniform with the hello world	il y a 9 ans
uefi	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
.gitignore	b9b4da0d1e initial_state.S stopped working...	il y a 9 ans
Makefile	bdcdf02aee Use a common.o file to factor out globals	il y a 9 ans
README.md	881300bd22 Simple protected mode PIT works	il y a 9 ans
TODO.md	1e87cda4c0 PIT protected handles interrupts more correctly	il y a 9 ans
about.md	9a24f92f36 Fix BEGIN 0x to %ax	il y a 9 ans
apm.md	a44b659299 bios keyboard	il y a 9 ans
apm_shutdown.S	61f0ad8dda Remove END	il y a 9 ans
apm_shutdown2.S	61f0ad8dda Remove END	il y a 9 ans
bibliography.md	bd0424f001 Failed smp attempt started	il y a 9 ans
bios.md	b16e42ffe3 SMP works on qemu 2.3.0 but no delays yet, so likely to fail on real hardware	il y a 9 ans
bios_background.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
bios_carriage_return.S	b16e42ffe3 SMP works on qemu 2.3.0 but no delays yet, so likely to fail on real hardware	il y a 9 ans
bios_clear_screen.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
bios_color.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
bios_cursor_position.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
bios_detect_memory.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
bios_disk_load.S	24988411ad Make page setup into a function	il y a 9 ans
bios_disk_load2.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
bios_hello_world.S	61f0ad8dda Remove END	il y a 9 ans
bios_keyboard.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
bios_keyboard_loop.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
bios_newline.S	b16e42ffe3 SMP works on qemu 2.3.0 but no delays yet, so likely to fail on real hardware	il y a 9 ans
bios_pixel.S	61f0ad8dda Remove END	il y a 9 ans
bios_pixel_line.S	61f0ad8dda Remove END	il y a 9 ans
bios_putc.S	bd0424f001 Failed smp attempt started	il y a 9 ans
bios_scroll.S	b16e42ffe3 SMP works on qemu 2.3.0 but no delays yet, so likely to fail on real hardware	il y a 9 ans
bios_tick_count.S	d1f11492c2 DRY out PIT and make one that fires only once, get nsectors from linker script	il y a 9 ans
common.S	bdcdf02aee Use a common.o file to factor out globals	il y a 9 ans
common.h	bdcdf02aee Use a common.o file to factor out globals	il y a 9 ans
cs.S	aaaea79a6f Refactor print_hex	il y a 9 ans
debug.md	9e58c1dc65 idt	il y a 9 ans
formats.md	d217b180be Split up README	il y a 9 ans
gdb.gdb	b16e42ffe3 SMP works on qemu 2.3.0 but no delays yet, so likely to fail on real hardware	il y a 9 ans
getting-started.md	24988411ad Make page setup into a function	il y a 9 ans
idt.S	bd0424f001 Failed smp attempt started	il y a 9 ans
idt1.S	1f6af90212 Page fault handler works!	il y a 9 ans
idt_zero_divide.S	1f6af90212 Page fault handler works!	il y a 9 ans
in.md	bd0424f001 Failed smp attempt started	il y a 9 ans
in_beep.S	61f0ad8dda Remove END	il y a 9 ans
in_beep_illinois.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
in_keyboard.S	bd0424f001 Failed smp attempt started	il y a 9 ans
in_mouse.S	61f0ad8dda Remove END	il y a 9 ans
infinite_loop.S	61f0ad8dda Remove END	il y a 9 ans
initial_state.S	b16e42ffe3 SMP works on qemu 2.3.0 but no delays yet, so likely to fail on real hardware	il y a 9 ans
interrupt.S	1f6af90212 Page fault handler works!	il y a 9 ans
interrupt1.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
interrupt_keyboard.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
interrupt_loop.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
interrupt_zero_divide.S	9e58c1dc65 idt	il y a 9 ans
io.md	a44b659299 bios keyboard	il y a 9 ans
lidt.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
linker.ld	bdcdf02aee Use a common.o file to factor out globals	il y a 9 ans
mbr.md	25235ad9ba Keyboard input, hex printer	il y a 9 ans
min.S	61f0ad8dda Remove END	il y a 9 ans
modes-of-operation.md	b16e42ffe3 SMP works on qemu 2.3.0 but no delays yet, so likely to fail on real hardware	il y a 9 ans
not-testable-in-userland.md	01a5e64efa Segment registers	il y a 9 ans
page_fault.S	1e87cda4c0 PIT protected handles interrupts more correctly	il y a 9 ans
paging.S	1f6af90212 Page fault handler works!	il y a 9 ans
pic.md	bd0424f001 Failed smp attempt started	il y a 9 ans
pit.S	9a33f2a5c7 pit sleep works	il y a 9 ans
pit_once.S	d1f11492c2 DRY out PIT and make one that fires only once, get nsectors from linker script	il y a 9 ans
pit_protected.S	9a33f2a5c7 pit sleep works	il y a 9 ans
protected_mode.S	2b83197f39 Paging works!!!	il y a 9 ans
reboot.S	61f0ad8dda Remove END	il y a 9 ans
rtc.S	881300bd22 Simple protected mode PIT works	il y a 9 ans
segment_base.S	2b83197f39 Paging works!!!	il y a 9 ans
segment_registers.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
segmentation.md	d4aae6183b Failed attempt at modifying a segment descriptor, split GDB to separate file	il y a 9 ans
smp.S	d1f11492c2 DRY out PIT and make one that fires only once, get nsectors from linker script	il y a 9 ans
smp.md	d1f11492c2 DRY out PIT and make one that fires only once, get nsectors from linker script	il y a 9 ans
ss.S	aaaea79a6f Refactor print_hex	il y a 9 ans
template.S	71e104bab0 Uniformized macros: push save all registers, and use only GAS macros, no CPP	il y a 9 ans
test_pit_sleep.S	bdcdf02aee Use a common.o file to factor out globals	il y a 9 ans
test_print_bytes.S	1f6af90212 Page fault handler works!	il y a 9 ans
test_vga_print_bytes.S	1f6af90212 Page fault handler works!	il y a 9 ans

x86 Bare Metal Examples

Minimal operating systems to learn low level programming.

Getting started
About
Examples
1. printf
2. min
3. No ld script
4. BIOS
  1. putc
  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
  13. tick count
5. Initial state
6. reboot
7. Not testable in userland
  1. Segment registers
    1. SS
    2. CS
  2. Interrupt
  3. in
    1. in keyboard
    2. RTC
    3. PIT
      1. PIT once
    4. in beep
    5. in beep_illinois
    6. in mouse (TODO)
  4. Protected mode
    1. Segment base (TODO)
    2. IDT
      1. IDT 1
      2. IDT zero divide
      3. IDT PIT
    3. PIT protected
    4. Segmentation fault handler: memory bound, ring, RWX violations
    5. Paging
      1. Page fault
8. APM
  1. APM shutdown
  2. APM shutdown 2
9. SMP TODO
  1. source
  2. information
10. Multiboot
11. GRUB
12. TODO not working
  1. UEFI
13. Misc
  1. hajji
Tests
1. PRINT_BYTES
Theory
1. Modes of operation
  1. Segmentation
2. Formats
  1. MBR
3. IO
  1. BIOS
  2. APM
4. PIC
5. Debug
6. Bibliography
TODO

README.md

x86 Bare Metal Examples