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59 lines
1.6 KiB
Rust
59 lines
1.6 KiB
Rust
// Copyright 2015 Philipp Oppermann
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#![feature(no_std, lang_items, asm)]
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#![feature(core_str_ext, const_fn, range_inclusive)]
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#![no_std]
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extern crate rlibc;
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extern crate multiboot2;
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#[macro_use]
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extern crate bitflags;
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use core::fmt::Write;
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#[macro_use]
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mod vga_buffer;
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mod memory;
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#[no_mangle]
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pub extern fn rust_main(multiboot_address: usize) {
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// ATTENTION: we have a very small stack and no guard page
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use vga_buffer::{Writer, Color};
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vga_buffer::clear_screen();
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let multiboot = unsafe{multiboot2::load(multiboot_address)};
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memory::init(multiboot);
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let mut writer = Writer::new(Color::Blue, Color::LightGreen);
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writer.write_byte(b'H');
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let _ = writer.write_str("ello! ");
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let _ = write!(writer, "The numbers are {} and {}", 42, 1.0/3.0);
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println!("");
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println!("{} {}", "line", 1);
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print!("line {}", 2);
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loop{}
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}
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#[cfg(not(test))]
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#[lang = "eh_personality"]
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extern fn eh_personality() {}
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#[cfg(not(test))]
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#[lang = "panic_fmt"]
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extern fn panic_fmt() -> ! {loop{}}
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