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Print first 10 entries of level 4 page table

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Philipp Oppermann
2019-01-25 14:29:04 +01:00
parent 91ca04e8c2
commit b7005b766f
1 changed files with 5 additions and 3 deletions
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8
src/main.rs
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@@ -9,10 +9,12 @@ use core::panic::PanicInfo;
#[no_mangle] #[no_mangle]
pub extern "C" fn _start() -> ! { pub extern "C" fn _start() -> ! {
use blog_os::interrupts::PICS; use blog_os::interrupts::PICS;
use x86_64::registers::control::Cr3;
let (level_4_page_table, _) = Cr3::read(); let level_4_table_pointer = 0xffff_ffff_ffff_f000 as *const u64;
println!("Level 4 page table at: {:?}", level_4_page_table.start_address()); for i in 0..10 {
let entry = unsafe { *level_4_table_pointer.offset(i) };
println!("Entry {}: {:#x}", i, entry);
}
println!("Hello World{}", "!"); println!("Hello World{}", "!");