D1 timer counts down so you gotta do ssome extra stuff

hawkw · hawkw · commit c2f023e6ada5 · 2024-12-27T10:45:12.000-08:00
diff --git a/platforms/allwinner-d1/d1-core/src/timer.rs b/platforms/allwinner-d1/d1-core/src/timer.rs
@@ -27,7 +27,7 @@ impl Timer0 {
                 // concurrently mutating the timer.
                 Self::steal()
             };
-            timer0.current_value() as u64
+            0xFFFF_FFFF - timer0.current_value() as u64
         })
         .named("CLOCK_D1_TIMER0")
     }

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,7 @@ impl Timer0 {`
`27`	`27`	`// concurrently mutating the timer.`
`28`	`28`	`Self::steal()`
`29`	`29`	`};`
`30`		`- timer0.current_value() as u64`
	`30`	`+ 0xFFFF_FFFF - timer0.current_value() as u64`
`31`	`31`	`})`
`32`	`32`	`.named("CLOCK_D1_TIMER0")`
`33`	`33`	`}`