MeniOS

I'm trying again. Let's see how far I can go.

Prerequisites: Linux:

• gcc
• ld
• make
• qemu

MacOS:

• Docker
• make
• qemu

To run:

• make build run

To do:

[ ] Add support to gdb

[x] Create a todo list

[ ] Dev environment

[ ] ASM 512b bootloader

[ ] Load bootloader beyond 512b

[ ] Enable A20 bit

[ ] Set GDT

[ ] Set IDT

[ ] Set PIC

[ ] Add support to keyboard

[ ] Set 32bits

[ ] Set Protected Mode

[ ] Enable memory paging

[ ] Enable virtual memory

[ ] Add a memory manager

[ ] Add a process manager

[ ] Read PCI bus and detect hardware

[ ] Identify one drive

[ ] Identify more drives

[ ] Read data from drive

[ ] Write data to drive

[?] Fix MBR

[ ] Add a file system

[ ] Load dummy code from disk and run

[ ] Segregate code for kernel and userland

[ ] Call kernel task from userland dummy code

[ ] Simple shell

[ ] Connect to network using E1000

[ ] Add support to soundcard

[ ] Set 64bits

[ ] UEFI support

[ ] Test on real machines

[ ] Run gcc inside meniOS (muahahahaha)

Reference

• PIC: https://pdos.csail.mit.edu/6.828/2014/readings/hardware/8259A.pdf http://www.brokenthorn.com/Resources/OSDevPic.html
• APIC: http://web.archive.org/web/20070112195752/http://developer.intel.com/design/pentium/datashts/24201606.pdf
• ATA: http://learnitonweb.com/2020/05/22/12-developing-an-operating-system-tutorial-episode-6-ata-pio-driver-osdev/ http://www.t13.org/Documents/UploadedDocuments/docs2016/di529r14-ATAATAPI_Command_Set_-_4.pdf p.74
• ASM: https://bitismyth.wordpress.com/assembly-bunker/
• Mem: https://arjunsreedharan.org/post/148675821737/memory-allocators-101-write-a-simple-memory
• AMD: https://developer.amd.com/resources/developer-guides-manuals/ https://www.amd.com/system/files/TechDocs/48751_16h_bkdg.pdf