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-rw-r--r--rust/hw/timer/hpet/src/hpet.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/rust/hw/timer/hpet/src/hpet.rs b/rust/hw/timer/hpet/src/hpet.rs
index 63c1971..3ae3ec2 100644
--- a/rust/hw/timer/hpet/src/hpet.rs
+++ b/rust/hw/timer/hpet/src/hpet.rs
@@ -776,7 +776,7 @@ impl HPETState {
let timer_id: usize = ((addr - 0x100) / 0x20) as usize;
if timer_id <= self.num_timers.get() {
// TODO: Add trace point - trace_hpet_ram_[read|write]_timer_id(timer_id)
- TimerRegister::try_from(addr)
+ TimerRegister::try_from(addr & 0x18)
.map(|reg| HPETRegister::Timer(&self.timers[timer_id], reg))
} else {
// TODO: Add trace point - trace_hpet_timer_id_out_of_range(timer_id)