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-rw-r--r--rust/hw/timer/hpet/src/hpet.rs4
-rw-r--r--rust/qemu-api/src/sysbus.rs12
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();