changed VGA_BUFFER_ADDRESS to PhysAddr

src/arch/x86_64/kernel/vga.rs

@@ -14,7 +14,7 @@ const ATTRIBUTE_BLACK: u8 = 0x00;
 const ATTRIBUTE_LIGHTGREY: u8 = 0x07;
 const COLS: usize = 80;
 const ROWS: usize = 25;
-const VGA_BUFFER_ADDRESS: u64 = 0xB8000;
+const VGA_BUFFER_ADDRESS: PhysAddr = PhysAddr::new(0xB8000);
 
 static VGA_SCREEN: SpinMutex<VgaScreen> = SpinMutex::new(VgaScreen::new());
 
@@ -47,7 +47,7 @@ unsafe impl Send for VgaScreen {}
 impl VgaScreen {
 	const fn new() -> Self {
 		Self {
-			buffer: VGA_BUFFER_ADDRESS as *mut _,
+			buffer: VGA_BUFFER_ADDRESS.as_u64() as *mut _,
 			current_col: 0,
 			current_row: 0,
 			is_initialized: false,
@@ -59,8 +59,8 @@ impl VgaScreen {
 		let mut flags = PageTableEntryFlags::empty();
 		flags.device().writable().execute_disable();
 		paging::map::<BasePageSize>(
-			VirtAddr::new(VGA_BUFFER_ADDRESS),
-			PhysAddr::new(VGA_BUFFER_ADDRESS),
+			VirtAddr::new(VGA_BUFFER_ADDRESS.as_u64()),
+			VGA_BUFFER_ADDRESS,
 			1,
 			flags,
 		);