Update timer.rs

LearningOS · Mar 5, 2024 · 37bf4bf · 37bf4bf
1 parent 14c0c0b
commit 37bf4bf
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/os/src/timer.rs b/os/src/timer.rs
@@ -25,12 +25,12 @@ pub fn get_time() -> usize {
 
 /// Get the current time in milliseconds
 pub fn get_time_ms() -> usize {
-    time::read() / (CLOCK_FREQ / MSEC_PER_SEC)
+    time::read() * MSEC_PER_SEC / CLOCK_FREQ
 }
 
 /// get current time in microseconds
 pub fn get_time_us() -> usize {
-    time::read() / (CLOCK_FREQ / MICRO_PER_SEC)
+    time::read() * MICRO_PER_SEC / CLOCK_FREQ
 }
 
 /// Set the next timer interrupt