55 lines
1.6 KiB
Rust
55 lines
1.6 KiB
Rust
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#![feature(alloc)]
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#![feature(asm)]
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#![feature(heap_api)]
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extern crate alloc;
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extern crate syscall;
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use std::fs::File;
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use std::{slice, thread};
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use syscall::{physmap, physunmap, MAP_WRITE, MAP_WRITE_COMBINE};
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use display::Display;
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use mode_info::VBEModeInfo;
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use primitive::fast_set64;
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pub mod display;
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pub mod mode_info;
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pub mod primitive;
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fn main() {
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let width;
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let height;
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let physbaseptr;
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{
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let mode_info = unsafe { &*(physmap(0x5200, 4096, 0).expect("vesad: failed to map VBE info") as *const VBEModeInfo) };
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width = mode_info.xresolution as usize;
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height = mode_info.yresolution as usize;
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physbaseptr = mode_info.physbaseptr as usize;
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unsafe { let _ = physunmap(mode_info as *const _ as usize); }
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}
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if physbaseptr > 0 {
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let mut socket = File::create(":display").expect("vesad: failed to create display scheme");
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thread::spawn(move || {
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let size = width * height;
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let onscreen = unsafe { physmap(physbaseptr as usize, size * 4, MAP_WRITE | MAP_WRITE_COMBINE).expect("vesad: failed to map VBE LFB") };
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unsafe { fast_set64(onscreen as *mut u64, 0, size/2) };
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let offscreen = unsafe { alloc::heap::allocate(size * 4, 4096) };
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unsafe { fast_set64(offscreen as *mut u64, 0, size/2) };
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let mut display = Display::new(width, height,
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unsafe { slice::from_raw_parts_mut(onscreen as *mut u32, size) },
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unsafe { slice::from_raw_parts_mut(offscreen as *mut u32, size) }
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);
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display.rect(100, 100, 100, 100, 0xFF0000);
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});
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}
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}
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