Bring in some coreutils

lib.rs

@@ -129,7 +129,7 @@ pub fn cpu_id() -> usize {
 }
 
 pub extern fn userspace_init() {
-    assert_eq!(syscall::chdir(b"initfs:"), Ok(0));
+    assert_eq!(syscall::chdir(b"initfs:bin/"), Ok(0));
 
     assert_eq!(syscall::open(b"debug:", 0), Ok(0));
     assert_eq!(syscall::open(b"debug:", 0), Ok(1));

scheme/env.rs

@@ -22,8 +22,9 @@ impl EnvScheme {
     pub fn new() -> EnvScheme {
         let mut files: BTreeMap<&'static [u8], &'static [u8]> = BTreeMap::new();
 
-        files.insert(b"HOME", b"initfs:");
-        files.insert(b"PWD", b"initfs:");
+        files.insert(b"HOME", b"initfs:bin/");
+        files.insert(b"PWD", b"initfs:bin/");
+        files.insert(b"PATH", b"initfs:bin/");
         files.insert(b"COLUMNS", b"80");
         files.insert(b"LINES", b"30");