Start refactoring code. No rush to merge anything.

I will try to focus on getting things working, as simply as possible

kernel/src/lib.rs

@@ -11,19 +11,12 @@
     rustdoc::missing_panics_doc
 )]
 
-extern crate alloc;
-
-use arch::x86_64::apic::enable_apic;
 use core::arch::asm;
-use libk::drivers::memory;
 use limine::BaseRevision;
 
-use libk::drivers::kalloc::allocator::init_heap;
-use libk::prelude::*;
-
-use x86_64::VirtAddr;
-
 mod arch;
+mod graphics;
+mod io;
 
 /// Sets the base revision to the latest revision supported by the crate.
 /// See specification for further info.
@@ -35,20 +28,13 @@ static BASE_REVISION: BaseRevision = BaseRevision::new();
 
 #[panic_handler]
 fn rust_panic(_info: &core::panic::PanicInfo) -> ! {
-    println!("Kernel panic: {}", _info);
-    serial_println!("Kernel panic: {}", _info);
     hcf();
 }
 
 pub fn hcf() -> ! {
     loop {
         unsafe {
-            #[cfg(target_arch = "x86_64")]
             asm!("hlt");
-            #[cfg(any(target_arch = "aarch64", target_arch = "riscv64"))]
-            asm!("wfi");
-            #[cfg(target_arch = "loongarch64")]
-            asm!("idle 0");
         }
     }
 }
@@ -58,55 +44,5 @@ pub fn boot() -> Result<(), &'static str> {
         return Err("base revision not supported");
     }
 
-    use arch::x86_64::{gdt, interrupts, memmap};
-
-    let memory_map = memmap::get_memory_map();
-
-    print_log!("    Initialising Serial... ");
-    if libk::drivers::io::serial::init().is_err() {
-        println_log!("[Not Detected]")
-    } else {
-        println_log!("[Success]");
-    }
-
-    print_log!("    Setting Up Global Descriptor Table... ");
-    gdt::init();
-    println_log!("[Success]");
-
-    print_log!("    Setting Up Interrupt Descriptor Table... ");
-    interrupts::init_idt();
-    println_log!("[Success]");
-
-    print_log!("    Initialising Memory Subsystem... ");
-    let physical_memory_offset = VirtAddr::new(*memmap::PHYSICAL_MEMORY_OFFSET);
-    memory::init_page_table(physical_memory_offset);
-    println_log!("[Success]");
-
-    print_log!("    Setting Up Page Table... ");
-    memory::init_frame_allocator(memory_map);
-    println_log!("[Success]");
-
-    print_log!("    Initialising Heap... ");
-    if init_heap().is_err() {
-        return Err("Failed to initialise heap: error");
-    }
-    println_log!("[Success]");
-
-    print_log!("    Enabling PICs... ");
-    interrupts::enable_pic();
-    println_log!("[Success]");
-
-    // print_log!("    Disabling PICs... ");
-    // interrupts::disable_pic();
-    // println_log!("[Success]");
-
-    // print_log!("    Initialising APIC");
-    // enable_apic();
-    // println_log!("[Success]");
-
-    print_log!("    Enabling Interrupts... ");
-    x86_64::instructions::interrupts::enable();
-    println_log!("[Success]");
-
     Ok(())
 }