moa/src/main.rs

#[macro_use]
mod error;
mod memory;
mod timers;
mod devices;
mod interrupts;
mod system;

mod host;
mod cpus;
mod peripherals;

use crate::system::System;
use crate::memory::MemoryBlock;
use crate::peripherals::ata::AtaDevice;
use crate::cpus::m68k::{M68k, M68kType};
use crate::peripherals::mc68681::MC68681;
use crate::devices::wrap_transmutable;

fn main() {
    let mut system = System::new();

    let monitor = MemoryBlock::load("binaries/monitor.bin").unwrap();
    for byte in monitor.contents.iter() {
        print!("{:02x} ", byte);
    }
    system.add_addressable_device(0x00000000, wrap_transmutable(monitor)).unwrap();

    let mut ram = MemoryBlock::new(vec![0; 0x00100000]);
    ram.load_at(0, "binaries/kernel.bin").unwrap();
    system.add_addressable_device(0x00100000, wrap_transmutable(ram)).unwrap();

    let mut ata = AtaDevice::new();
    ata.load("binaries/disk-with-partition-table.img").unwrap();
    system.add_addressable_device(0x00600000, wrap_transmutable(ata)).unwrap();

    let mut serial = MC68681::new();
    launch_terminal_emulator(serial.port_a.open().unwrap());
    //launch_slip_connection(serial.port_b.open().unwrap());
    system.add_addressable_device(0x00700000, wrap_transmutable(serial)).unwrap();


    let mut cpu = M68k::new(M68kType::MC68010);
    //let mut cpu = M68k::new(M68kType::MC68030);

    //cpu.enable_tracing();
    //cpu.add_breakpoint(0x10781a);
    //cpu.add_breakpoint(0x10bc9c);
    //cpu.add_breakpoint(0x106a94);
    //cpu.add_breakpoint(0x10b79c);
    //cpu.decoder.dump_disassembly(&mut system, 0x100000, 0x2000);
    //cpu.decoder.dump_disassembly(&mut system, 0x2ac, 0x200);

    system.add_interruptable_device(wrap_transmutable(cpu)).unwrap();
    loop {
        match system.step() {
            Ok(()) => { },
            Err(err) => {
                system.exit_error();
                println!("{:?}", err);
                break;
            },
        }
    }
}

pub fn launch_terminal_emulator(name: String) {
    use nix::unistd::sleep;
    use std::process::Command;

    Command::new("x-terminal-emulator").arg("-e").arg(&format!("pyserial-miniterm {}", name)).spawn().unwrap();
    sleep(1);
}

pub fn launch_slip_connection(name: String) {
    use std::process::Command;

    Command::new("sudo").args(["slattach", "-s", "38400", "-p", "slip", &name]).spawn().unwrap();
    Command::new("sudo").args(["ifconfig", "sl0", "192.168.1.2", "pointopoint", "192.168.1.200", "up"]).status().unwrap();
    Command::new("sudo").args(["arp", "-Ds", "192.168.1.200", "enp4s0", "pub"]).status().unwrap();
    Command::new("sudo").args(["iptables", "-A", "FORWARD", "-i", "sl0", "-j", "ACCEPT"]).status().unwrap();
    Command::new("sudo").args(["iptables", "-A", "FORWARD", "-o", "sl0", "-j", "ACCEPT"]).status().unwrap();
    Command::new("sudo").args(["sh", "-c", "echo 1 > /proc/sys/net/ipv4/ip_forward"]).status().unwrap();
}