mlokis/ableos-framebuffer
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Able 2021-11-23 06:01:42 -06:00
parent a33ecf8d93
commit 93a29060e5
2 changed files with 30 additions and 24 deletions
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34
ableos/src/arch/x86_64/mod.rs
View file

@ -1,15 +1,35 @@
use x86_64::instructions::hlt;
use bootloader::BootInfo;
use x86_64::{
instructions::hlt,
{structures::paging::Page, VirtAddr},
};
use bootloader::{entry_point, BootInfo};
pub mod drivers;
pub mod gdt;
pub mod init;
pub mod interrupts;
pub mod memory;
// #[no_mangle]
// pub extern "C" fn _start(boot_info: &'static BootInfo) -> ! {
// crate::kmain::kernel_main(boot_info);
// // sloop();
// }
entry_point![start];
#[no_mangle]
pub fn start(boot_info: &'static BootInfo) -> ! {
let phys_mem_offset = VirtAddr::new(boot_info.physical_memory_offset);
let mut mapper = unsafe { memory::init(phys_mem_offset) };
let mut frame_allocator =
unsafe { memory::BootInfoFrameAllocator::init(&boot_info.memory_map) };
let page = Page::containing_address(VirtAddr::new(0xdeadbeaf000));
memory::create_example_mapping(page, &mut mapper, &mut frame_allocator);
let page_ptr: *mut u64 = page.start_address().as_mut_ptr();
unsafe { page_ptr.offset(400).write_volatile(0xf021_f077_f065_804e) };
crate::kmain::kernel_main();
// sloop();
}
#[allow(unused)]
pub fn shutdown() -> ! {

20
ableos/src/kmain.rs
View file

@ -12,10 +12,8 @@ use crate::{
relib::math::rand::{linearshift::LinearShiftRegister, prand::PRand, RAND_HANDLE, RNG},
serial_print, serial_println,
};
use bootloader::{entry_point, BootInfo};
use lazy_static::lazy_static;
use x86_64::{structures::paging::Page, VirtAddr};
use lazy_static::lazy_static;
#[no_mangle]
#[allow(unconditional_recursion)]
@ -30,9 +28,9 @@ lazy_static! {
pub static ref KEY_BUFFER_POINTER: u8 = 0;
}
// Defines the entry point
entry_point![kernel_main];
#[no_mangle]
pub fn kernel_main(boot_info: &'static BootInfo) -> ! {
pub fn kernel_main() -> ! {
init::init();
GraphicsBuffer::draw();
@ -62,18 +60,6 @@ pub fn kernel_main(boot_info: &'static BootInfo) -> ! {
// x.dump_flags();
}
let phys_mem_offset = VirtAddr::new(boot_info.physical_memory_offset);
let mut mapper = unsafe { memory::init(phys_mem_offset) };
let mut frame_allocator =
unsafe { memory::BootInfoFrameAllocator::init(&boot_info.memory_map) };
let page = Page::containing_address(VirtAddr::new(0xdeadbeaf000));
memory::create_example_mapping(page, &mut mapper, &mut frame_allocator);
let page_ptr: *mut u64 = page.start_address().as_mut_ptr();
unsafe { page_ptr.offset(400).write_volatile(0xf021_f077_f065_804e) };
// stack_overflow();
// crate::arch::shutdown();
sloop()