From e0a8be55227d60db4362564e4bff034f68266ae9 Mon Sep 17 00:00:00 2001
From: Stephen Marz <stephen.marz@utk.edu>
Date: Fri, 24 Apr 2020 18:47:49 -0400
Subject: [PATCH] Don't let init sleep. This will cause us to hang in the
 scheduler.

---
 risc_v/src/main.rs    | 1 +
 risc_v/src/process.rs | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/risc_v/src/main.rs b/risc_v/src/main.rs
index 0504e48..8a5ae18 100755
--- a/risc_v/src/main.rs
+++ b/risc_v/src/main.rs
@@ -4,6 +4,7 @@
 #![no_main]
 #![no_std]
 #![feature(panic_info_message,
+		   llvm_asm,
 		   asm,
 		   global_asm,
            allocator_api,
diff --git a/risc_v/src/process.rs b/risc_v/src/process.rs
index 8b2ef4b..a9b5aa6 100644
--- a/risc_v/src/process.rs
+++ b/risc_v/src/process.rs
@@ -157,7 +157,9 @@ fn init_process() {
 				fn make_syscall(sysno: usize, duration: usize) -> usize;
 			}
 			println!("Init is still here :), alright, back to sleep.");
-			for _ in 0..100000000 {}
+			for _ in 0..100 {
+				llvm_asm!("wfi");
+			}
 		}
 	}
 }