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3 years agoAlso compile kernel as ELF for easier disassembly
Duje Mihanović [Thu, 16 Sep 2021 14:48:26 +0000 (16:48 +0200)]
Also compile kernel as ELF for easier disassembly

3 years agoEnable A20 gate
Duje Mihanović [Thu, 16 Sep 2021 14:41:24 +0000 (16:41 +0200)]
Enable A20 gate

3 years agoRestructure the bootloader
Duje Mihanović [Thu, 9 Sep 2021 09:13:53 +0000 (11:13 +0200)]
Restructure the bootloader

3 years agokprint can accept a const string
Duje Mihanović [Thu, 9 Sep 2021 08:27:18 +0000 (10:27 +0200)]
kprint can accept a const string

3 years agoBetter gitignore and tidier string
Duje Mihanović [Wed, 8 Sep 2021 08:43:37 +0000 (10:43 +0200)]
Better gitignore and tidier string

3 years agoEnable generation of debug symbols for C source files
Duje Mihanović [Wed, 8 Sep 2021 08:04:10 +0000 (10:04 +0200)]
Enable generation of debug symbols for C source files

3 years agoAdd linker script and partial VGA driver
Duje Mihanović [Tue, 7 Sep 2021 20:05:14 +0000 (22:05 +0200)]
Add linker script and partial VGA driver

3 years agoDocument the code
Duje Mihanović [Tue, 7 Sep 2021 18:33:39 +0000 (20:33 +0200)]
Document the code

3 years agoA new beginning
Duje Mihanović [Tue, 7 Sep 2021 09:25:40 +0000 (11:25 +0200)]
A new beginning

This boots into protected mode, prints a string from assembly and then prints an
A from a minimal C kernel.

3 years agoAllow controlling (no) newline when printing and listen to keystrokes
Duje Mihanović [Sat, 21 Aug 2021 15:06:36 +0000 (17:06 +0200)]
Allow controlling (no) newline when printing and listen to keystrokes

3 years agoAdd Makefile
Duje Mihanović [Sat, 21 Aug 2021 11:00:34 +0000 (13:00 +0200)]
Add Makefile

Can compile, clean and run the boot sector.

3 years agoAdd print function with some examples
Duje Mihanović [Sat, 21 Aug 2021 10:56:47 +0000 (12:56 +0200)]
Add print function with some examples

3 years agoCan now print hexadecimal numbers
Duje Mihanović [Sat, 21 Aug 2021 10:00:08 +0000 (12:00 +0200)]
Can now print hexadecimal numbers

3 years agoAdd basic bootsector
Duje Mihanović [Fri, 20 Aug 2021 14:46:08 +0000 (16:46 +0200)]
Add basic bootsector

It prints out "Gotta start somewhere". Tested on QEMU and even on real hardware
with success.