pepperOS/docs/MANUAL.md

PepperOS Manual

Table of Contents

• Overview
  • Supported Hardware
  • Features
• Kernel architecture
  • Boot process
  • Memory management
  • Scheduling
  • Input/output
• Syscall table

I. Overview

a. Supported Hardware

The recommended hardware to run PepperOS is the following:

• UEFI/BIOS
• Any x86 processor, 64-bits only
• PS/2 Keyboard
• Minimum 128MB of memory

b. Features

• Round robin preemptive scheduling
• Coexistence of ring 0 and ring 3 processes

II. Kernel architecture

a. Boot process

b. Memory management

c. Scheduling

d. Input/Output

III. Syscall table

The syscall interface in the Pepper kernel uses the System V ABI convention for argument order. It vaguely mimics Unix-like systems. You will find it in SYSCALLS.md.