NanoShell64 has been officially deprecated as of August 20th, 2023. Instead, check out its successor, The Boron Operating System
NanoShell64 is a 64-bit operating system designed with SMP in mind.
The project is wholly licensed under the GNU General Public License V3, except the following:
NOTE: You need Limine V3.18.3, 3.0 or older doesn't work for some reason
In a terminal, run the following commands:
git submodule update
make -C limine
make
(note: these are to be done on Linux or WSL1. Cygwin/MinGW32 were not tested and probably don't work.)
To run, invoke ./run-unix.sh or make run. If you are using WSL 1, you can do ./run.sh
to run the built iso using your native QEMU installation on Windows.
There's hardly a decided architecture design, as this is right now at the experimental stage. I'd like to experiment with: (currently only one thing but I may add more)
- Worker thread centered design. This can also be interpreted as a clients-server architecture.
- Each CPU has its own kernel heap. This reduces TLB shootdowns. If there's a need to transfer data between CPUs, one may use an IPI with a list of physical pages.
- Until swapping to disk is added, use a form of poor man's compression - if a page is filled to the brim with a single byte that fills unspecified criteria, it'll be "compressed" down into a single page entry.
- Hello World
- SMP Bootstrap
- Inter-processor communication (through IPIs)
- Task switching and concurrency
- Physical memory manager
- Virtual memory manager
- Inter-process communication
- Init ram disk file system
- Ext2 file system support
- More... (still not decided)
- Limine terminal
- PS/2 Keyboard
- Own terminal with framebuffer
- Serial port
- PCI
- PS/2 mouse
- A basic shell Still to be decided.
- NanoShell32 compatibility
- Networking?
- USB (could also backport to NanoShell32 itself)