forked from AbleOS/ableos
50 lines
1.2 KiB
Rust
50 lines
1.2 KiB
Rust
use crate::arch::drivers::allocator; // new import
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use bootloader::{entry_point, BootInfo};
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use x86_64::{
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instructions::hlt,
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{structures::paging::Page, VirtAddr},
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};
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pub mod drivers;
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pub mod gdt;
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pub mod init;
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pub mod interrupts;
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pub mod memory;
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entry_point![start];
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#[no_mangle]
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pub fn start(boot_info: &'static BootInfo) -> ! {
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let phys_mem_offset = VirtAddr::new(boot_info.physical_memory_offset);
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let mut mapper = unsafe { memory::init(phys_mem_offset) };
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let mut frame_allocator =
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unsafe { memory::BootInfoFrameAllocator::init(&boot_info.memory_map) };
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let page = Page::containing_address(VirtAddr::new(0xdeadbeaf000));
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memory::create_example_mapping(page, &mut mapper, &mut frame_allocator);
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let page_ptr: *mut u64 = page.start_address().as_mut_ptr();
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unsafe { page_ptr.offset(400).write_volatile(0xf021_f077_f065_804e) };
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allocator::init_heap(&mut mapper, &mut frame_allocator).expect("heap initialization failed");
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crate::kmain::kernel_main();
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// sloop();
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}
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#[allow(unused)]
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pub fn shutdown() -> ! {
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unsafe {
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cpuio::outw(0x2000, 0x604);
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}
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sloop();
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}
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pub fn sloop() -> ! {
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loop {
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hlt();
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}
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}
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