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boot: Add freestanding stall #1296

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Aug 7, 2024
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boot: Add freestanding stall #1296

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12 changes: 12 additions & 0 deletions uefi/src/boot.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -521,6 +521,18 @@ pub unsafe fn exit(
)
}

/// Stalls execution for the given number of microseconds.
pub fn stall(microseconds: usize) {
let bt = boot_services_raw_panicking();
let bt = unsafe { bt.as_ref() };

unsafe {
// No error conditions are defined in the spec for this function, so
// ignore the status.
let _ = (bt.stall)(microseconds);
}
}

/// A buffer returned by [`locate_handle_buffer`] that contains an array of
/// [`Handle`]s that support the requested protocol.
#[derive(Debug, Eq, PartialEq)]
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