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64 lines
1.3 KiB
64 lines
1.3 KiB
extern crate bootloader;
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extern crate apic;
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extern crate raw_cpuid;
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use self::bootloader::bootinfo::{BootInfo, MemoryRegionType};
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use core::sync::atomic::*;
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use consts::KERNEL_OFFSET;
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pub mod driver;
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pub mod cpu;
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pub mod interrupt;
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pub mod paging;
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pub mod gdt;
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pub mod idt;
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pub mod memory;
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pub mod io;
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pub mod consts;
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static AP_CAN_INIT: AtomicBool = ATOMIC_BOOL_INIT;
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/// The entry point of kernel
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#[no_mangle] // don't mangle the name of this function
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pub extern "C" fn _start(boot_info: &'static BootInfo) -> ! {
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let cpu_id = cpu::id();
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println!("Hello world! from CPU {}!", cpu_id);
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if cpu_id != 0 {
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while !AP_CAN_INIT.load(Ordering::Relaxed) {}
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other_start();
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}
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// First init log mod, so that we can print log info.
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::logging::init();
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info!("Hello world!");
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info!("{:#?}", boot_info);
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// Init trap handling.
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idt::init();
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// Init physical memory management and heap.
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memory::init(boot_info);
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// Now heap is available
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gdt::init();
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cpu::init();
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driver::init();
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::process::init();
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::thread::spawn(::shell::run_user_shell);
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AP_CAN_INIT.store(true, Ordering::Relaxed);
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::kmain();
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}
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/// The entry point for other processors
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fn other_start() -> ! {
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idt::init();
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gdt::init();
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cpu::init();
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::kmain();
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} |