From 7bd93f5aa0ee12ece95c11691f0838079d87f45b Mon Sep 17 00:00:00 2001
From: Alex Zenla <alex@edera.dev>
Date: Thu, 30 Oct 2025 23:51:20 -0400
Subject: [PATCH] fix(platform/timer): ensure the x86_64 frequency measurement
 uses wrapping subtraction

---
 src/platform/timer/x86_64.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/platform/timer/x86_64.rs b/src/platform/timer/x86_64.rs
index 96eb38c..210b5cf 100644
--- a/src/platform/timer/x86_64.rs
+++ b/src/platform/timer/x86_64.rs
@@ -54,7 +54,7 @@ fn measure_frequency(duration: &Duration) -> u64 {
     let start = start();
     uefi::boot::stall(*duration);
     let stop = stop();
-    let elapsed = (stop - start) as f64;
+    let elapsed = stop.wrapping_sub(start) as f64;
     (elapsed / duration.as_secs_f64()) as u64
 }