You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
2.6 KiB
112 lines
2.6 KiB
#![feature(ptr_internals)]
|
|
#![feature(lang_items)]
|
|
#![feature(const_fn)]
|
|
#![feature(alloc)]
|
|
#![feature(const_unique_new, const_atomic_usize_new)]
|
|
#![feature(unique)]
|
|
#![feature(allocator_api)]
|
|
#![feature(global_allocator)]
|
|
#![feature(abi_x86_interrupt)]
|
|
#![feature(iterator_step_by)]
|
|
#![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] // print!
|
|
mod io;
|
|
mod memory;
|
|
mod interrupts;
|
|
mod lang;
|
|
mod util;
|
|
#[macro_use] // test!
|
|
mod test_util;
|
|
mod consts;
|
|
|
|
#[allow(dead_code)]
|
|
#[cfg(target_arch = "x86_64")]
|
|
#[path = "arch/x86_64/mod.rs"]
|
|
mod arch;
|
|
|
|
// The entry point of Rust kernel
|
|
#[no_mangle]
|
|
pub extern "C" fn rust_main(multiboot_information_address: usize) {
|
|
// ATTENTION: we have a very small stack and no guard page
|
|
println!("Hello World{}", "!");
|
|
unsafe{ interrupts::init_idt(); }
|
|
unsafe{ let a = *(0xdeadbeaf as *const u8); } // double fault
|
|
|
|
let boot_info = unsafe { multiboot2::load(multiboot_information_address) };
|
|
arch::init();
|
|
|
|
// set up guard page and map the heap pages
|
|
let mut memory_controller = memory::init(boot_info);
|
|
unsafe {
|
|
use consts::{KERNEL_HEAP_OFFSET, KERNEL_HEAP_SIZE};
|
|
HEAP_ALLOCATOR.lock().init(KERNEL_HEAP_OFFSET, KERNEL_HEAP_OFFSET + KERNEL_HEAP_SIZE);
|
|
}
|
|
|
|
// initialize our IDT
|
|
interrupts::init(&mut memory_controller);
|
|
|
|
test!(global_allocator);
|
|
test!(guard_page);
|
|
test!(find_mp);
|
|
|
|
// TODO Build temp page map. Now page fault.
|
|
let acpi = arch::driver::acpi::init().expect("Failed to init ACPI");
|
|
debug!("{:?}", acpi);
|
|
unimplemented!();
|
|
|
|
arch::driver::apic::init(acpi.lapic_addr);
|
|
io::init();
|
|
|
|
test_end!();
|
|
}
|
|
|
|
use linked_list_allocator::LockedHeap;
|
|
|
|
#[global_allocator]
|
|
static HEAP_ALLOCATOR: LockedHeap = LockedHeap::empty();
|
|
|
|
mod test {
|
|
pub fn global_allocator() {
|
|
for i in 0..10000 {
|
|
format!("Some String");
|
|
}
|
|
}
|
|
pub fn find_mp() {
|
|
use arch;
|
|
let mp = arch::driver::mp::find_mp();
|
|
assert!(mp.is_some());
|
|
}
|
|
pub fn guard_page() {
|
|
use x86_64;
|
|
// invoke a breakpoint exception
|
|
x86_64::instructions::interrupts::int3();
|
|
|
|
fn stack_overflow() {
|
|
stack_overflow(); // for each recursion, the return address is pushed
|
|
}
|
|
|
|
// trigger a stack overflow
|
|
stack_overflow();
|
|
|
|
println!("It did not crash!");
|
|
}
|
|
} |