paging done, starting on allocation.

kernel/src/lib.rs

@@ -1,12 +1,16 @@
 #![no_std]
 #![feature(abi_x86_interrupt)]
 
+extern crate alloc;
+
 use core::arch::asm;
 use limine::request::{RequestsEndMarker, RequestsStartMarker};
 use limine::BaseRevision;
 
 pub use lib_ascii::{print, print_log, println, println_log, WRITER};
 pub use lib_serial::{serial_print, serial_println, serial_read};
+use x86_64::structures::paging::Translate;
+use x86_64::{PhysAddr, VirtAddr};
 
 mod arch;
 
@@ -28,6 +32,8 @@ static _END_MARKER: RequestsEndMarker = RequestsEndMarker::new();
 
 #[panic_handler]
 fn rust_panic(_info: &core::panic::PanicInfo) -> ! {
+    println!("Kernel panic: {}", _info);
+    serial_println!("Kernel panic: {}", _info);
     hcf();
 }
 
@@ -49,11 +55,19 @@ pub fn boot() -> Result<(), &'static str> {
         return Err("base revision not supported");
     }
 
+    use arch::x86_64::{gdt, interrupts, memmap, memory};
+
+    let memory_map = memmap::get_memory_map();
     lib_serial::init()?;
-    arch::x86_64::gdt::init();
-    arch::x86_64::interrupts::init_idt();
+    gdt::init();
+    interrupts::init_idt();
+
+    let mut frame_allocator = unsafe { memory::FoundryOSFrameAllocator::init(memory_map) };
 
     x86_64::instructions::interrupts::enable();
 
+    let physical_memory_offset = VirtAddr::new(*memmap::PHYSICAL_MEMORY_OFFSET);
+    let l4_table = unsafe { memory::init(physical_memory_offset) };
+
     Ok(())
 }