From b1b26fd7886a54fd95b52c3b539d30c1efb5b4e6 Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Tue, 18 Jan 2022 04:29:38 -0800
Subject: [PATCH] Remove os/src/loader.rs

---
 os/src/loader.rs | 62 ------------------------------------------------
 1 file changed, 62 deletions(-)
 delete mode 100644 os/src/loader.rs

diff --git a/os/src/loader.rs b/os/src/loader.rs
deleted file mode 100644
index bfdc3970..00000000
--- a/os/src/loader.rs
+++ /dev/null
@@ -1,62 +0,0 @@
-use alloc::vec::Vec;
-use lazy_static::*;
-
-pub fn get_num_app() -> usize {
-    extern "C" { fn _num_app(); }
-    unsafe { (_num_app as usize as *const usize).read_volatile() }
-}
-
-pub fn get_app_data(app_id: usize) -> &'static [u8] {
-    extern "C" { fn _num_app(); }
-    let num_app_ptr = _num_app as usize as *const usize;
-    let num_app = get_num_app();
-    let app_start = unsafe {
-        core::slice::from_raw_parts(num_app_ptr.add(1), num_app + 1)
-    };
-    assert!(app_id < num_app);
-    unsafe {
-        core::slice::from_raw_parts(
-            app_start[app_id] as *const u8,
-            app_start[app_id + 1] - app_start[app_id]
-        )
-    }
-}
-
-lazy_static! {
-    static ref APP_NAMES: Vec<&'static str> = {
-        let num_app = get_num_app();
-        extern "C" { fn _app_names(); }
-        let mut start = _app_names as usize as *const u8;
-        let mut v = Vec::new();
-        unsafe {
-            for _ in 0..num_app {
-                let mut end = start;
-                while end.read_volatile() != '\0' as u8 {
-                    end = end.add(1);
-                }
-                let slice = core::slice::from_raw_parts(start, end as usize - start as usize);
-                let str = core::str::from_utf8(slice).unwrap();
-                v.push(str);
-                start = end.add(1);
-            }
-        }
-        v
-    };
-}
-
-
-#[allow(unused)]
-pub fn get_app_data_by_name(name: &str) -> Option<&'static [u8]> {
-    let num_app = get_num_app();
-    (0..num_app)
-        .find(|&i| APP_NAMES[i] == name)
-        .map(|i| get_app_data(i))
-}
-
-pub fn list_apps() {
-    println!("/**** APPS ****");
-    for app in APP_NAMES.iter() {
-        println!("{}", app);
-    }
-    println!("**************/");
-}
\ No newline at end of file