Influx

Influx is a x86_64 operation system based on a monolithic kernel.

Features

• 32-bit bootstrap bootable using any multiboot-compliant bootloader (GRUB used)
  • Protected mode (32-bit) to long mode (64-bit) + Setup of basic 64-bit paging
  • SSE enable
  • x86_64 ELF parser and loader (used for kernel executable)
• Multithreaded x86_64 kernel loaded by the bootstrap
  • Memory Manager
  • Driver Manager
  • ATA, PCI, CMOS, PIT, BGA graphics, PS2-Keyboard Drivers
  • Scheduler based round-robin scheduling (Full support for userland processes and kernel threads)
  • Graphics console based on BGA graphics
  • Interrupt and IRQ manager
  • TTY manager
  • VFS (with support for pipes)
  • Read-write ext2 filesystem
  • x86_64 ELF parser
  • 35 syscalls conforming to Linux and POSIX specification
  • Newlib C library with support for 35 syscalls
  • Init process used to start userland processes
  • Support for creating 64-bit userland processes including arguments and environment variables
  • Bash support (WIP)

Build

Installing toolchain

macOS (using Homebrew)

brew install almogh52/x86_64-elf-toolchain/x86_64-elf-gcc gcc qemu nasm

Compiling grub for macOS is available here. (Compile for target x86_64-elf)

Building newlib, binutils and gcc for influx

./scripts/compile-binutils-gcc.sh
./scripts/compile-newlib.sh

Building influx for release and running it

./scripts/run-qemu.sh

Cleaning build

./scripts/clean.sh

Debugging

Debugging bootstrap

./scripts/debug-bootstrap.sh

Debugging kernel

./scripts/debug-kernel.sh