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My-Own-OS [WIP]

[Self teaching] Writing my own Operating System. Inpsired by "Write your own Operating System"'s youtube series and related GitHub repo

Current Progress

Completed

  • The OS compiles to .iso file
  • Implemented basic printf() function, allowing the kernel to print text to the screen.
  • Enabled interupts
  • Implemented keyboard support
  • Implemented mouse support
  • Established communicatiion with Peripheral Component Interconnect (PCI) Devices
  • Enabled VGA based graphical environment
  • GUI framework for basic desktop and windows
  • Multitasking
  • Dynamic Memory Management / Heap

Working On

  • Networking
  • Hard Drives
  • System calls

Requirements

On Debian Based Systems

g++ binutils libc6-dev-i386 grub-legacy xorriso

On Arch Based Systems

g++ binutils libc6-dev-i386 libisoburn mtools

Compiling

make mykernel.iso

Possible Issues and Solutions

undefined reference to `__stack_chk_fail_local'

When compiling, GCC may give the error gdt.cpp:(.text+0xa2): undefined reference to `__stack_chk_fail_local'. If this happens, create function __stack_chk_fail_local() inside the file GCC says it can't find it in. Keep in mind that there can only be one of these functions, so if it's already implemented somewhere else you will have to move it. As of writing this, the __stack_chk_fail_local function is already written in myos/src/gdt.cpp. If it is ever moved in this repository, you can find it by searching for __stack_chk_fail_local in github's "search in this repository" feature.

Example of implemented function:

uint32_t __stack_chk_fail_local(){
    return 0;
}

Further information about this issue has been discussed in another repository