61 lines
1.4 KiB
Rust
61 lines
1.4 KiB
Rust
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#![no_std]
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#![no_main]
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#![feature(abi_x86_interrupt)]
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#![feature(alloc_error_handler)]
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#![feature(allocator_api)]
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#![feature(naked_functions)]
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#![feature(int_roundings)]
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#![feature(type_alias_impl_trait)]
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#![deny(unsafe_op_in_unsafe_fn)]
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extern crate alloc;
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mod bootinfo;
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mod gdt;
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mod interrupts;
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mod kernel_heap;
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mod panic_handler;
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mod physical_memory;
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mod pit;
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mod qemu_exit;
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mod serial;
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mod simple_loader;
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mod start;
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mod tasking;
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mod virtual_memory;
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use simple_loader::SimpleLoader;
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use tasking::TASKING;
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pub static INITRD: &[u8] = include_bytes!("../initrd.tar");
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use elfloader::ElfBinary;
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use tar_no_std::TarArchiveRef;
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use x86_64::registers::rflags::{self, RFlags};
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pub fn main() {
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let mut rflags_data = rflags::read();
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rflags_data |= RFlags::IOPL_HIGH | RFlags::IOPL_LOW;
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unsafe {
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rflags::write(rflags_data);
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}
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gdt::init();
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interrupts::init();
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kernel_heap::init();
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pit::init(100);
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let initrd = TarArchiveRef::new(INITRD);
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let init = ElfBinary::new(
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initrd
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.entries()
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.find(|x| x.filename() == *"bin/init")
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.expect("Could not find init in initrd")
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.data(),
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)
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.expect("Init not an ELF binary");
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TASKING
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.lock()
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.new_process(
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init.entry_point() as _,
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SimpleLoader::load(&init).expect("Failed to load init"),
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)
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.expect("Failed to create init process");
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}
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