diff options
-rw-r--r-- | rust/hw/timer/hpet/src/hpet.rs | 4 | ||||
-rw-r--r-- | rust/qemu-api/src/sysbus.rs | 12 |
2 files changed, 13 insertions, 3 deletions
diff --git a/rust/hw/timer/hpet/src/hpet.rs b/rust/hw/timer/hpet/src/hpet.rs index 3d3d6ef..d989360 100644 --- a/rust/hw/timer/hpet/src/hpet.rs +++ b/rust/hw/timer/hpet/src/hpet.rs @@ -730,8 +730,6 @@ impl HPETState { } fn reset_hold(&self, _type: ResetType) { - let sbd = self.upcast::<SysBusDevice>(); - for timer in self.timers.iter().take(self.num_timers.get()) { timer.borrow_mut().reset(); } @@ -744,7 +742,7 @@ impl HPETState { HPETFwConfig::update_hpet_cfg( self.hpet_id.get(), self.capability.get() as u32, - sbd.mmio[0].addr, + self.mmio_addr(0).unwrap(), ); // to document that the RTC lowers its output on reset as well diff --git a/rust/qemu-api/src/sysbus.rs b/rust/qemu-api/src/sysbus.rs index 48803a6..0790576 100644 --- a/rust/qemu-api/src/sysbus.rs +++ b/rust/qemu-api/src/sysbus.rs @@ -65,6 +65,18 @@ where } // TODO: do we want a type like GuestAddress here? + fn mmio_addr(&self, id: u32) -> Option<u64> { + assert!(bql_locked()); + let sbd = self.upcast(); + let id: usize = id.try_into().unwrap(); + if sbd.mmio[id].memory.is_null() { + None + } else { + Some(sbd.mmio[id].addr) + } + } + + // TODO: do we want a type like GuestAddress here? fn mmio_map(&self, id: u32, addr: u64) { assert!(bql_locked()); let id: i32 = id.try_into().unwrap(); |