LplKernel

Kernel of the Laplace project

Description

This is the kernel of the Laplace project.

Features

• Booting

Usage

To use the kernel, you can build the project and run the kernel.

make

Current Chapters:

• Part 0: Introduction ✅
  • Assumed Knowledge ✅
  • About The Authors ✅
• Part 1: Building & Boot Protocols ✅
  • Building a Kernel ✅
  • Bootloaders and Boot Protocols
  • Makefiles
  • Linker Scripts
  • Generating a Bootable Iso
• Part 2: Architecture and Basic Drivers
  • Overview
  • Hello World
  • A Higher Half Kernel
  • Global Descriptor Table
  • Interrupts
  • ACPI Tables
  • APIC
  • Timers
  • PS2 Keyboard Overview
  • PS2 Keybord Interrupt Handling
  • PS2 Keyboard Driver implementation
• Part 3: Video Output
  • The Framebuffer
  • Drawing Text on Framebuffer
• Part 4: Memory Management
  • Overview
  • Physical Memory
  • Paging
  • Virtual Memory Manager
  • Heap Allocation
• Part 5: Scheduling
  • Overview
  • The Scheduler
  • Processes and Threads
  • Locks
• Part 6: Getting to Userspace
  • Overview
  • Switching Modes
  • Updated Interrupt Handling
  • System Calls
  • Example Syscall ABI
• Part 7: Inter-Process Communication
  • Overview
  • Shared Memory
  • Message Passing
• Part 8: File System
  • Overview
  • The Virtual File System
  • The Tar File System
• Part 9: Loading & Executing ELFs
  • Theory
  • Loading and Running
• Part 10: Going Beyond
• Extras: Appendices
  • General Troubleshooting
  • Tips and Tricks ✅
  • C Language
  • Working With NASM
  • All About Cross Compilers
  • Debugging
  • Memory Protection
  • Useful Resources
  • Acknowledgments

Dependencies

sudo apt update
sudo apt install build-essential bison flex libgmp3-dev libmpc-dev libmpfr-dev texinfo

mkdir -p ~/src
cd ~/src
wget http://ftp.gnu.org/gnu/binutils/binutils-2.36.tar.gz
tar -xvf binutils-2.36.tar.gz
wget http://ftp.gnu.org/gnu/gcc/gcc-10.2.0/gcc-10.2.0.tar.gz
tar -xvf gcc-10.2.0.tar.gz

mkdir -p ~/src/build-binutils
cd ~/src/build-binutils
../binutils-2.36/configure --target=i686-elf --prefix=/usr/local/i686-elf --disable-nls --disable-werror
make
sudo make install

mkdir -p ~/src/build-gcc
cd ~/src/build-gcc
../gcc-10.2.0/configure --target=i686-elf --prefix=/usr/local/i686-elf --disable-nls --enable-languages=c,c++ --without-headers
make all-gcc
make all-target-libgcc
sudo make install-gcc
sudo make install-target-libgcc

echo 'export PATH=/usr/local/i686-elf/bin:$PATH' >> ~/.bashrc
source ~/.bashrc

Build

./clean.sh
./iso.sh

Run

./qemu.sh

References

• OSDev Wiki
• OSDev Notes

License

This project is licensed under the MIT License - see the LICENSE file for details.

Author

This project is authored by Master Laplace.