Misaka / ToaruOS 2.0 Roadmap

[klange]

• Kernel Elf loader
  • Support Elf64 binaries in basic parsing.
  • Support necessary relocations for object files used as modules.
  • Support static binary loading for userspace.
• Memory Allocation Support
  • Basic PML4 page allocator
  • Set up kernel heap with klmalloc
  • Next: Add a more capable mmap interface
• Task Switching
  • Port process model
  • Interrupt infrastructure with legacy PIC, etc.
  • Next: APIC, LAPIC...
• Virtual File System
  • Port existing VFS infrastructure
  • Port tmpfs, tarfs modules
  • Port drivers for storage devices
  • Next: Re-write PATA drivers, rewrite ext2 driver, SATA drivers
• Syscall functionality
  • Port existing syscalls
  • Port TTY layer, PacketFS
  • Next: Implement support for new syscall interfaces
• Userspace
  • Port ld.so dynamic linker to support Elf64.
  • Verify functionality of libc in x86-64.
  • Verify functionality of existing applications, resolve word size issues.
• Remaining driver ports:
  • Network Stack
    • Main network stack (or dump this because it's terrible and just write a new one?)
    • e1000
    • rtl8139
    • pcnet
  • Audio
    • Core mixer
    • ac97
    • pcspk (this should be portable right now? don't forget to adjust timings)
    • Next: Intel HDA
  • Storage
    • ATA/ATAPI driver
    • Ext2 filesystem driver (this is really broken, rewrite it?)
    • ISO9660
  • VirtualBox guest driver