Introduce Logger trait

src/lib.rs

@@ -1,14 +1,21 @@
 #![no_std]
 #![allow(clippy::missing_safety_doc)]
+
+extern crate alloc;
+
+use alloc::boxed::Box;
 use core::{
     arch::asm,
+    fmt,
     panic::PanicInfo,
     ptr::{read_volatile, write_volatile},
 };
 
 use heap::Heap;
 
-pub static PERIPHERAL_BASE: u32 = 0x3F00_0000;
+use crate::logger::{DefaultLogger, Logger};
+
+static PERIPHERAL_BASE: u32 = 0x3F00_0000;
 
 unsafe extern "C" {
     unsafe static mut __heap_start: u8;
@@ -33,37 +40,23 @@ fn panic(_panic: &PanicInfo) -> ! {
     }
 }
 
-#[macro_export]
-macro_rules! print {
-    () => {};
-    ($($arg:tt)*) => {
-        $crate::peripherals::uart::_print(format_args!($($arg)*))
-    };
-}
-
-#[macro_export]
-macro_rules! println {
-    () => {};
-    ($($arg:tt)*) => {
-        print!($($arg)*);
-        print!("\r\n");
-    };
-}
-
 pub mod peripherals;
 
 pub mod configuration;
 pub mod framebuffer;
-pub mod irq_interrupt;
+pub mod interrupt_handlers;
+pub mod logger;
 pub mod mailbox;
 pub mod power_management;
 pub mod timer;
 
-pub fn mmio_read(address: u32) -> u32 {
+#[inline(always)]
+pub unsafe fn read_address(address: u32) -> u32 {
     unsafe { read_volatile(address as *const u32) }
 }
 
-pub fn mmio_write(address: u32, data: u32) {
+#[inline(always)]
+pub unsafe fn write_address(address: u32, data: u32) {
     unsafe { write_volatile(address as *mut u32, data) }
 }
 
@@ -78,3 +71,7 @@ pub fn get_current_el() -> u64 {
     }
     el >> 2
 }
+
+pub fn initialize_kernel() {
+    logger::set_logger(Box::new(DefaultLogger));
+}