From 2e094d08bc2f3f14def1e792589ba5bea0b3a87a Mon Sep 17 00:00:00 2001
From: equation314 <equation618@gmail.com>
Date: Mon, 29 Oct 2018 13:41:25 +0800
Subject: [PATCH] common: add a logo

---
 kernel/src/arch/aarch64/mod.rs |  2 ++
 kernel/src/fs.rs               | 16 +++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/kernel/src/arch/aarch64/mod.rs b/kernel/src/arch/aarch64/mod.rs
index 0dfddc3..ac14adb 100644
--- a/kernel/src/arch/aarch64/mod.rs
+++ b/kernel/src/arch/aarch64/mod.rs
@@ -19,6 +19,8 @@ pub extern "C" fn rust_main() -> ! {
     // First init log mod, so that we can print log info.
     ::logging::init();
 
+    super::fs::show_logo();
+
     loop {
         print!(">> ");
         loop {
diff --git a/kernel/src/fs.rs b/kernel/src/fs.rs
index 4dcaa14..d682236 100644
--- a/kernel/src/fs.rs
+++ b/kernel/src/fs.rs
@@ -14,7 +14,21 @@ _binary_user_riscv_img_start:
 _binary_user_riscv_img_end:
 "#);
 
+const LOGO: &str = r#"
+    ____                __   ____  _____
+   / __ \ __  __ _____ / /_ / __ \/ ___/
+  / /_/ // / / // ___// __// / / /\__ \
+ / _, _// /_/ /(__  )/ /_ / /_/ /___/ /
+/_/ |_| \__,_//____/ \__/ \____//____/
+"#;
+
+pub fn show_logo() {
+    println!("{}", LOGO);
+}
+
 pub fn shell() {
+    show_logo();
+
     #[cfg(target_arch = "riscv32")]
     let device = {
         extern {
@@ -97,4 +111,4 @@ impl BlockedDevice for &'static ide::DISK1 {
         let buf = unsafe { slice::from_raw_parts(buf.as_ptr() as *mut u32, ide::BLOCK_SIZE / 4) };
         self.0.lock().write(block_id as u64, 1, buf).is_ok()
     }
-}
\ No newline at end of file
+}