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use exclusive_session to eliminate some explicit drops.

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This commit is contained in:
Yifan Wu 2022-03-10 16:41:06 -08:00
parent ba611a1458
commit fb196d35a9
8 changed files with 21 additions and 54 deletions
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2
os/src/drivers/plic.rs
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@ -62,6 +62,7 @@ impl PLIC {
self.priority_ptr(intr_source_id).write_volatile(priority);
}
}
#[allow(unused)]
pub fn get_priority(&mut self, intr_source_id: usize) -> u32 {
unsafe { self.priority_ptr(intr_source_id).read_volatile() & 7 }
}
@ -100,6 +101,7 @@ impl PLIC {
threshold_ptr.write_volatile(threshold);
}
}
#[allow(unused)]
pub fn get_threshold(&mut self, hart_id: usize, target_priority: IntrTargetPriority) -> u32 {
let threshold_ptr = self.threshold_ptr_of_hart_with_priority(hart_id, target_priority);
unsafe { threshold_ptr.read_volatile() & 7 }