https://github.com/dorydev/linuxfromscratch

Simple kernel
https://github.com/dorydev/linuxfromscratch

c grub kernel

Last synced: about 1 month ago
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Simple kernel

• Host: GitHub
• URL: https://github.com/dorydev/linuxfromscratch
• Owner: dorydev
• Created: 2024-01-14T18:01:59.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2024-11-01T10:33:12.000Z (3 months ago)
• Last Synced: 2024-11-06T01:36:30.440Z (3 months ago)
• Topics: c, grub, kernel
• Language: C
• Homepage:
• Size: 4.18 MB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Linux from scratch #

A simple Linux based kernel written in C & x86_64 assembly.\

It'll be upgraded soon, check versions & update ;)

## How to compile ? ##

Prerequisite:

- grub

- nasm

- gcc

- xorriso

- qemu

(Or use `build.sh` when it'll be available)

Compile assembly & C files in object files with nasm & gcc:

```nasm -f elf32 boot.s -o boot.o```\

```gcc -m32 -ffreestanding -c kernel.c -o kernel.o```

Link objectfs files:

```ld -m elf_i386 -T linker.ld -o kernel.bin boot.o kernel.o```

Create iso file with grub:

```grub-mkrescue -o LinuxFromScratch.iso LinuxFromScratch/*```

Launch in QEMU:

Open the project forlder in your terminal and type

```$ cd LinuxFromScratch``` //PATH of .iso's folder\

```qemu-system-i386 -cdrom LinuxFromScratch.iso```

**GG it works !**