Delete code from first edition

src/lib.rs

@@ -1,112 +0,0 @@
-// Copyright 2016 Philipp Oppermann. See the README.md
-// file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#![feature(lang_items)]
-#![feature(const_fn, unique)]
-#![feature(alloc)]
-#![feature(asm)]
-#![feature(naked_functions)]
-#![feature(abi_x86_interrupt)]
-#![feature(const_unique_new, const_atomic_usize_new)]
-#![feature(allocator_api)]
-#![feature(global_allocator)]
-#![no_std]
-
-#[macro_use]
-extern crate alloc;
-extern crate rlibc;
-extern crate volatile;
-extern crate spin;
-extern crate multiboot2;
-#[macro_use]
-extern crate bitflags;
-extern crate x86_64;
-#[macro_use]
-extern crate once;
-extern crate linked_list_allocator;
-#[macro_use]
-extern crate lazy_static;
-extern crate bit_field;
-#[macro_use]
-mod vga_buffer;
-mod memory;
-mod interrupts;
-
-#[no_mangle]
-pub extern "C" fn rust_main(multiboot_information_address: usize) {
-    // ATTENTION: we have a very small stack and no guard page
-    vga_buffer::clear_screen();
-    println!("Hello World{}", "!");
-
-    let boot_info = unsafe { multiboot2::load(multiboot_information_address) };
-    enable_nxe_bit();
-    enable_write_protect_bit();
-
-    // set up guard page and map the heap pages
-    let mut memory_controller = memory::init(boot_info);
-
-    unsafe {
-        HEAP_ALLOCATOR.lock().init(HEAP_START, HEAP_SIZE);
-    }
-
-    // initialize our IDT
-    interrupts::init(&mut memory_controller);
-
-    fn stack_overflow() {
-        stack_overflow(); // for each recursion, the return address is pushed
-    }
-
-    // trigger a stack overflow
-    stack_overflow();
-
-
-    println!("It did not crash!");
-    loop {}
-}
-
-fn enable_nxe_bit() {
-    use x86_64::registers::msr::{IA32_EFER, rdmsr, wrmsr};
-
-    let nxe_bit = 1 << 11;
-    unsafe {
-        let efer = rdmsr(IA32_EFER);
-        wrmsr(IA32_EFER, efer | nxe_bit);
-    }
-}
-
-fn enable_write_protect_bit() {
-    use x86_64::registers::control_regs::{cr0, cr0_write, Cr0};
-
-    unsafe { cr0_write(cr0() | Cr0::WRITE_PROTECT) };
-}
-
-#[cfg(not(test))]
-#[lang = "eh_personality"]
-#[no_mangle]
-pub extern "C" fn eh_personality() {}
-
-#[cfg(not(test))]
-#[lang = "panic_fmt"]
-#[no_mangle]
-pub extern "C" fn panic_fmt(fmt: core::fmt::Arguments, file: &'static str, line: u32) -> ! {
-    println!("\n\nPANIC in {} at line {}:", file, line);
-    println!("    {}", fmt);
-    loop {}
-}
-
-#[no_mangle]
-pub extern "C" fn _Unwind_Resume() -> ! { loop {} }
-
-use linked_list_allocator::LockedHeap;
-
-pub const HEAP_START: usize = 0o_000_001_000_000_0000;
-pub const HEAP_SIZE: usize = 100 * 1024; // 100 KiB
-
-#[global_allocator]
-static HEAP_ALLOCATOR: LockedHeap = LockedHeap::empty();