os-dev

Set of exercises to study on x86 platform boot and OS development.

Tests

ID	Boot sector program	Description
01	01.boot_sect.asm	Simple boot sector written in assembly language.
02	02.boot_sect_print.asm	Prints a message to the screen using a BIOS routine.
03	03.addressing.asm	Addressing demonstration.
04	04.addressing.fixed.asm	Specifying the assembler the program load address.
05	05.stack_manipulation.asm	Demonstrates the use of the stack.
06	06.print_string.asm	Prints string using function.
07	07.print_hex_strings.asm	Prints a register value as a hex string.
08	08.addessing.segment.asm	Memory addressing using segment offsetting.
09	09.read_sector.asm	Read sectors from boot disk.
10	10.enter_protmode.asm	Enters 32-bit protected mode.
11	11.enter_protmode_vga.asm	Enters 32-bit protected mode clearing the screen.
12	12.boot_kernel.asm	Boots a C kernel in 32-bit protected mode.
13	12.boot_kernel.asm	Boots a C kernel in 32-bit protected mode using a kernel entry routine.
14	14.enter_longmode.asm	Enters 64-bit long mode.
15	15.boot_sect_split.asm	Boots into a second stage bootloader in 64-bit long mode.
16	12.boot_kernel.asm	Boots a C kernel as in #13, which enters 64-bit long mode.

Build and run given test #id:
$ make test <#id>

[1] Writing a Simple Operating System — from Scratch by Nick Blundell
https://www.cs.bham.ac.uk/~exr/lectures/opsys/10_11/lectures/os-dev.pdf

Name		Name	Last commit message	Last commit date
Latest commit History 14 Commits
kernel		kernel
routines		routines
tests		tests
.gitignore		.gitignore
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md