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88 lines
2.2 KiB
88 lines
2.2 KiB
#![feature(asm)]
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#![feature(unique)]
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#![feature(const_fn)]
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#![feature(lang_items)]
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#![feature(const_unique_new)]
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#![feature(alloc)]
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#![feature(allocator_api)]
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#![feature(global_allocator)]
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#![no_std]
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#[macro_use]
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extern crate log;
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#[macro_use]
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extern crate once;
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#[macro_use]
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extern crate alloc;
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extern crate rlibc;
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extern crate spin;
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extern crate volatile;
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#[macro_use]
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extern crate bitflags;
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extern crate multiboot2;
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extern crate linked_list_allocator;
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extern crate x86_64 as x86;
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// sparkle-* libs
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#[macro_use]
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pub mod macros;
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mod alloca;
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mod misc;
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mod logger;
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mod arch;
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use arch::x86_64;
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use arch::x86_64::device::vga_console;
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use arch::x86_64::memory;
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use arch::x86_64::memory::FrameAllocator;
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use arch::x86_64::interrupts;
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use alloca::Allocator;
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use alloc::boxed::Box;
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/// Our globally-visible allocator. Plugs into whatever allocator we set up in [`alloca`].
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//
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/// [`alloca`]: alloca/index.html
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#[global_allocator]
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static GLOBAL_ALLOC: Allocator = Allocator;
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/// Kernel main function. Called by the bootstrapping assembly stub.
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#[no_mangle]
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pub extern fn kernel_main(multiboot_info_pointer: usize) {
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vga_console::WRITER.lock().clear_screen();
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println!("--- Sparkle v{} booting! ---", ::misc::VERSION);
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logger::init().expect("Logger failed to launch!");
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let boot_info = unsafe {multiboot2::load(multiboot_info_pointer)};
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memory::init(boot_info);
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info!("* memory::init(): success! *");
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info!("kheap: smoke test (boxing): {:?}", Box::new("hello world"));
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loop {}
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}
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/// Related to stack landing pads. Don't care, do nothing.
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#[lang = "eh_personality"]
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#[no_mangle]
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pub extern fn eh_personality() {}
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/// Dumps panics to the console.
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#[lang = "panic_fmt"]
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#[no_mangle]
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pub extern fn panic_fmt(fmt: core::fmt::Arguments, file: &'static str, line: u32) -> ! {
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vga_console::WRITER.lock().set_style(vga_console::CharStyle::new(vga_console::Color::Black, vga_console::Color::Red));
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println!();
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println!("!!! PANIC in {} on line {} !!!", file, line);
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println!(" {}", fmt);
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unsafe{loop{x86::instructions::halt();}};
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}
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/// Stack unwinding. Don't care, just halt.
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#[allow(non_snake_case)]
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#[no_mangle]
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pub extern "C" fn _Unwind_Resume() -> ! {
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unsafe{loop{x86::instructions::halt();}};
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}
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