1 files changed, 0 insertions, 42 deletions
diff --git a/os/mutex.h b/os/mutex.h
deleted file mode 100644
index d12331d..0000000
--- a/os/mutex.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef MUTEX_H
-#define MUTEX_H
-
-class Mutex {
-	private:
-		uint8_t locked;
-	public:
-		Mutex() : locked(0) {}
-		Mutex(uint8_t l) : locked(l) {}
-		
-		bool trylock() {
-			uint8_t val;
-			
-			// Check if mutex is locked.
-			asm volatile ("ldrexb %0, [%1]" : "=r" (val) : "r" (&locked));
-			if(val) {
-				return false;
-			}
-			
-			// Try taking the lock.
-			asm volatile ("strexb %0, %1, [%2]" : "=r" (val) : "r" (1), "r" (&locked));
-			if(val) {
-				return false;
-			}
-			
-			asm volatile("dmb");
-			return true;
-		}
-		
-		void lock() {
-			while(!trylock()) {
-				Thread::yield();
-			}
-		}
-		
-		void unlock() {
-			asm volatile("dmb");
-			locked = 0;
-		}
-};
-
-#endif