alesharik / distros

Features

• PIT, RTC, HPET timer support
• APIC-based interrupts
• FPU, SSE, AVX support (not tested)
• Current time from RTC+CMOS
• RNG generator support
• kernel memory allocator
• basic future runtime
• data flow manager
• PS/2 device support
• PCI and PCIe (only 0 segment) support
• very basic terminal
• SMBios support

TODO

• Serial Log

• HPET as a replacement for PIT/RTC

• FPU support

• Processes/Threads

• User memory allocation

• ELF file reader

• Execute ELF file in userspace

• Syscalls (map memory pointers as kernel-access memory)

External TODO

• Add scroll wheel support to ps2 crate

Global flow system

• /dev - dev flow system
• /dev/ps2 - PS/2 devices
• /dev/ps2/keyboard - PS/2 keyboard (sends KeyboardMessage)
• /dev/ps2/mouse - PS/2 mouse (sends MouseMessage)
• /dev/syslog - System log (sends SyslogMessage)
• /dev/tty - TTY devices
• /dev/tty/vga - TTY VGA device (sends/receives TtyMessage)
• /dev/pci/{bus}/{device}/{function} - PCI device information
• /dev/pci/{bus}/{device}/{function}/bar/{id} - PCI device BAR information
• /dev/smbios - SMBios information
• /dev/kernel_heap/info - Kernel heap info

Hardcoded memory regions

• 512 GiB - PCIe