ableos-framebuffer/ableos/src/scratchpad.rs

use core::arch::asm;

use alloc::string::{String, ToString};
use cpuio::outb;

use crate::{absi::colorify, messaging::ProcessMessage, rhai_shell::rhai_shell};

use {
    crate::{
        devices::{pci_inner::DeviceClass, Device, DEVICE_TABLE},
        proc::PID,
        wasm_jumploader::interp,
    },
    alloc::{format, vec::Vec},
    pci::PortOps,
};

/// Experimental scratchpad for testing.
pub fn scratchpad() {
    let mut dev_list = Vec::new();
    let bus_scan;
    unsafe {
        bus_scan = pci::scan_bus(&PciIO {}, pci::CSpaceAccessMethod::IO);
    }
    for dev in bus_scan {
        dev_list.push(dev);
    }

    let device_table = &mut *DEVICE_TABLE.lock();

    for x in dev_list {
        let device_name = format!("{:?}-{}", DeviceClass::from_u8(x.id.class), x.id.device_id);

        device_table
            .devices
            .insert(device_name.clone(), Device::Pci(x));
    }

    /*
        for (key, _value) in device_table.devices.iter() {
            debug!("{}", key);
        }
    */
    // interp();
    // crate::experiments::absi::colorify();

    let message = "Hello, world!";

    let xyz = ProcessMessage::new_from_string(PID(123), PID(0), message.to_string());

    // print!("{:?}", xyz);
    rhai_shell();
}

pub struct PciIO {}

impl PortOps for PciIO {
    unsafe fn read8(&self, port: u16) -> u8 {
        cpuio::inb(port as u16)
    }

    unsafe fn read16(&self, port: u16) -> u16 {
        cpuio::inw(port as u16)
    }

    unsafe fn read32(&self, port: u16) -> u32 {
        cpuio::inl(port as u16)
    }

    unsafe fn write8(&self, port: u16, val: u8) {
        cpuio::outb(val, port as u16);
    }

    unsafe fn write16(&self, port: u16, val: u16) {
        cpuio::outw(val, port as u16);
    }

    unsafe fn write32(&self, port: u16, val: u32) {
        cpuio::outl(val, port as u16);
    }
}