https://github.com/x0reaxeax/cernel

PoC kernel with stack support written completely in C
https://github.com/x0reaxeax/cernel

kernel poc stack

Last synced: 26 days ago
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PoC kernel with stack support written completely in C

• Host: GitHub
• URL: https://github.com/x0reaxeax/cernel
• Owner: x0reaxeax
• Created: 2022-08-08T18:57:36.000Z (over 2 years ago)
• Default Branch: master
• Last Pushed: 2022-08-09T17:13:37.000Z (over 2 years ago)
• Last Synced: 2024-12-31T19:22:48.646Z (about 1 month ago)
• Topics: kernel, poc, stack
• Language: C
• Homepage:
• Size: 2.93 KB
• Stars: 3
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# CERNEL

PoC kernel with stack support written in C.  

**Requirements:**  

`clang` (tested with version `13.0.1-3+b2`)  

`ld`

The point is to demonstrate that the stack can be setup and used without depending on an external assembler or inline assembly.  

This is demonstrated by calling the `kmain()` function from the entry function `start()`, then hopping back to `kmain()` using the `return` statement (`ret` instruction)  and landing on infinite loop `while(1);` (`jmp 0x10000c`) located in `start()`.  

> Written with [StackEdit](https://stackedit.io/).