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# ⚠️ Disclaimer
Abandonded project for now. I spent too much time on OSdeving for pathetic results. Will maybe try again in some years.
# BlankOS
Rewritten 32-bit Protected Mode monolithic version of Blank OS for the x86 processor architecture. Features a framebuffer and serial port driver. The OS relies on an old, legacy version of GRUB as the bootloader. This *should* be GRUB 2 compatible.
Long-term goal of this OS is to be capable of running user programs and having its own complete kernel C library so that users can write their own C programs to be ran using the kernel.
Rewritten monolithic version of Blank OS for the x86 processor architecture. Features a framebuffer, serial port driver, GDT, IDT. The OS relies on an old, legacy version of GRUB as the bootloader (eltorito). This *should* be GRUB 2 compatible. Emulation was tested on Arch Linux 6.9.7-arch1-1. The long-term goal of this OS is to be capable of running user programs and having its own complete kernel C library so that users can write their own C programs to be ran using the kernel.
Next steps for this project will be:
- a working formatted printing function
- Segmentation and a GDT implementation
- IDT implementation
- ISRs and making the PIC work
- Keyboard driver
- User programs
- Shell
- Kernel libc
@@ -19,16 +12,33 @@ Next steps for this project will be:
## Usage
First, install dependencies:
### Dependencies
For Debian-based distros:
```
sudo apt install gcc nasm make bochs
```
Then, clone the repository and run these commands:
Then change `display-library` to `sdl2` in the `bochsrc.txt` file.
For Arch-based distros:
```
sudo pacman -S nasm gcc make
git clone https://aur.archlinux.org/bochs.git
```
Then follow [these](https://bbs.archlinux.org/viewtopic.php?id=178479) instructions to compile Bochs with X support. Alternatively you can use Bochs with SDL but you'll have to change the `bochsrc.txt` file accordingly.
## Building and running
```
git clone https://github.com/xamidev/blankos
make
make run
```
This will start a new Bochs debugger instance. To proceed with the kernel execution, you will have to type `c` in the shell spawning Bochs. Serial output will be saved under the `com1.out` file, this way you can debug the kernel by viewing its log messages.
Feel free to open issues or pull requests.
This will start a new Bochs debugger instance. To proceed with the kernel execution, you will have to type `c` in the shell spawning Bochs. Serial output will be saved under the `com1.out` file, this way you can debug the kernel by viewing its log messages. To quit, type `q`. Feel free to open issues or pull requests.
### ⚠️ Disclaimer
This is a hobbyist operating system kernel and it comes without any warranty whatsoever! It isn't capable of anything really.