68 lines
2.4 KiB
Rust
68 lines
2.4 KiB
Rust
#![doc(
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html_logo_url = "https://gitlab.istic.univ-rennes1.fr/simpleos/burritos/-/raw/main/assets/logo/logo.svg",
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html_favicon_url = "https://gitlab.istic.univ-rennes1.fr/simpleos/burritos/-/raw/main/assets/logo/logo.svg")
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]
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#![warn(missing_docs)]
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#![warn(clippy::missing_docs_in_private_items)]
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//! Crate burritos ((BurritOS Using Rust Really Improves The Operating System)
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//!
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//! Burritos is an educational operating system written in Rust
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//! running on RISC-V emulator.
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mod simulator;
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mod kernel;
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pub mod utility;
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use std::{rc::Rc, cell::RefCell};
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use kernel::{system::System, thread::Thread, process::Process};
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use simulator::{machine::Machine, loader};
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use clap::Parser;
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use utility::cfg::read_settings;
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#[derive(Parser, Debug)]
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#[command(name = "BurritOS", author, version, about = "Burritos (BurritOS Using Rust Really Improves The Operating System)
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Burritos is an educational operating system written in Rust
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running on RISC-V emulator.", long_about = None)]
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/// Launch argument parser
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struct Args {
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/// Enable debug mode.
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/// 0 to disable debug,
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/// 1 to enable machine debug,
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/// 2 to enable system debug,
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/// 3 to enable all debug
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#[arg(short, long, value_parser = clap::value_parser!(u8).range(0..=3), default_value_t = 0)]
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debug: u8,
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/// Path to the executable binary file to execute
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#[arg(short = 'x', long, value_name = "PATH")]
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executable: String
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}
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fn main() {
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let args = Args::parse();
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let mut machine = Machine::new(args.debug & 1 != 0, read_settings().unwrap());
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let (loader, ptr) = loader::Loader::new(args.executable.as_str(), &mut machine, 0).expect("An error occured while parsing the program");
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let mut system = System::new(args.debug & 2 != 0);
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let thread_exec = Thread::new(args.executable.as_str());
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let thread_exec = Rc::new(RefCell::new(thread_exec));
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system.get_thread_manager().get_g_alive().push(Rc::clone(&thread_exec));
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let owner1 = Process { num_thread: 0 };
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let owner1 = Rc::new(RefCell::new(owner1));
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let sp_max = ptr + machine.user_stack_size;
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system.get_thread_manager().set_sp_max(sp_max);
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system.get_thread_manager().start_thread(Rc::clone(&thread_exec), owner1, loader.elf_header.entrypoint, sp_max, -1);
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let to_run = system.get_thread_manager().find_next_to_run().unwrap();
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system.get_thread_manager().switch_to(&mut machine, Rc::clone(&to_run));
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machine.run(&mut system);
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}
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