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31 lines
844 B
Rust
31 lines
844 B
Rust
// SPDX-License-Identifier: MIT OR Apache-2.0
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//
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// Copyright (c) 2018-2021 Andre Richter <andre.o.richter@gmail.com>
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//! Memory Management.
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use core::ops::RangeInclusive;
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//--------------------------------------------------------------------------------------------------
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// Public Code
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//--------------------------------------------------------------------------------------------------
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/// Zero out an inclusive memory range.
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///
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/// # Safety
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///
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/// - `range.start` and `range.end` must be valid.
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/// - `range.start` and `range.end` must be `T` aligned.
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pub unsafe fn zero_volatile<T>(range: RangeInclusive<*mut T>)
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where
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T: From<u8>,
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{
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let mut ptr = *range.start();
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let end_inclusive = *range.end();
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while ptr <= end_inclusive {
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core::ptr::write_volatile(ptr, T::from(0));
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ptr = ptr.offset(1);
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}
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}
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