diff --git a/src/os_loader.rs b/src/os_loader.rs
index 601ffd1..8756075 100644
--- a/src/os_loader.rs
+++ b/src/os_loader.rs
@@ -11,13 +11,14 @@ pub mod simple_text_output;
 use core::panic::PanicInfo;
 use system_table::SystemTable;
 use types::Handle;
+use simple_text_output::SimpleTextOutputProtocol;
 
 #[no_mangle]
 #[export_name = "efi_main"]
 extern "efiapi" fn efi_main(image_handle: Handle, system_table: *mut SystemTable) -> usize {
     unsafe {
         let system_table_ref: &SystemTable = &*system_table;
-        let console_out: *mut structs::SimpleTextOutputProtocol = system_table_ref.console_out;
+        let console_out: *mut SimpleTextOutputProtocol = system_table_ref.console_out;
     }
     loop {};
     0 // EFI_SUCCESS
diff --git a/src/simple_text_output.rs b/src/simple_text_output.rs
index d5fdf13..1b96419 100644
--- a/src/simple_text_output.rs
+++ b/src/simple_text_output.rs
@@ -2,7 +2,18 @@ use crate::structs::Status;
 use crate::types::Char16;
 
 #[repr(C)]
-pub struct SimpleTextOutputProtocol {}
+pub struct SimpleTextOutputProtocol {
+    reset: text_reset,
+    output_string: text_string,
+    test_string: text_test_string,
+    query_mode: text_query_mode,
+    set_mode: text_set_mode,
+    set_attribute: text_set_attribute,
+    clear_screen: text_clear_screen,
+    set_cursor_position: text_set_cursor_position,
+    enable_cursor: text_enable_cursor,
+    mode: *mut SimpleTextOutputMode,
+}
 
 pub type text_reset =
     extern "efiapi" fn(this: &SimpleTextOutputProtocol, extended_verification: bool) -> Status;
@@ -20,33 +31,47 @@ pub type text_set_mode =
     extern "efiapi" fn(this: &SimpleTextOutputProtocol, mode_number: usize) -> Status;
 pub type text_set_attribute =
     extern "efiapi" fn(this: &SimpleTextOutputProtocol, Attribute: usize) -> Status;
-
+pub type text_clear_screen = extern "efiapi" fn(this: SimpleTextOutputProtocol) -> Status;
+pub type text_set_cursor_position =
+    extern "efiapi" fn(this: &SimpleTextOutputProtocol, column: usize, row: usize) -> Status;
+pub type text_enable_cursor =
+    extern "efiapi" fn(this: &SimpleTextOutputProtocol, visible: bool) -> Status;
 
 #[repr(C)]
 pub enum Attribute {
-    Black = 0x00 ,
-    Blue = 0x01 ,
-    Green = 0x02 ,
-    Cyan = 0x03 ,
-    Red = 0x04 ,
-    Magenta = 0x05 ,
-    Brown = 0x06 ,
-    LightGray = 0x07 ,
-    Bright = 0x08 ,
+    Black = 0x00,
+    Blue = 0x01,
+    Green = 0x02,
+    Cyan = 0x03,
+    Red = 0x04,
+    Magenta = 0x05,
+    Brown = 0x06,
+    LightGray = 0x07,
+    Bright = 0x08,
     // DarkGray = 0x08 ,
-    LightBlue = 0x09 ,
-    LightGreen = 0x0a ,
-    LightCyan = 0x0b ,
-    LightRed = 0x0c ,
-    LightMagenta = 0x0d ,
-    Yellow = 0x0e ,
-    White = 0x0f ,
+    LightBlue = 0x09,
+    LightGreen = 0x0a,
+    LightCyan = 0x0b,
+    LightRed = 0x0c,
+    LightMagenta = 0x0d,
+    Yellow = 0x0e,
+    White = 0x0f,
     // BackgroundBlack = 0x00 ,
-    BackgroundBlue = 0x10 ,
-    BackgroundGreen = 0x20 ,
-    BackgroundCyan = 0x30 ,
-    BackgroundRed = 0x40 ,
-    BackgroundMagenta = 0x50 ,
-    BackgroundBrown = 0x60 ,
-    BackgroundLightGray = 0x70 ,
+    BackgroundBlue = 0x10,
+    BackgroundGreen = 0x20,
+    BackgroundCyan = 0x30,
+    BackgroundRed = 0x40,
+    BackgroundMagenta = 0x50,
+    BackgroundBrown = 0x60,
+    BackgroundLightGray = 0x70,
+}
+
+#[repr(C)]
+pub struct SimpleTextOutputMode {
+    max_mode: i32,
+    mode: i32,
+    attribute: i32,
+    cursor_column: i32,
+    cursor_row: i32,
+    cursor_visible: bool,
 }
diff --git a/src/system_table.rs b/src/system_table.rs
index 5218b7f..bd07897 100644
--- a/src/system_table.rs
+++ b/src/system_table.rs
@@ -1,6 +1,7 @@
 use crate::boot_services::BootServicesTable;
 use crate::structs::*;
 use crate::types::Handle;
+use crate::simple_text_output::SimpleTextOutputProtocol;
 
 #[repr(C)]
 pub struct SystemTable {