28 lines
599 B
Rust
28 lines
599 B
Rust
//! marchid register
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use core::num::NonZeroUsize;
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/// marchid register
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#[derive(Clone, Copy, Debug)]
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pub struct Marchid {
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bits: NonZeroUsize,
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}
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impl Marchid {
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/// Returns the contents of the register as raw bits
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pub fn bits(&self) -> usize {
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self.bits.get()
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}
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}
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read_csr!(0xF11, __read_marchid);
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/// Reads the CSR
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#[inline]
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pub fn read() -> Option<Marchid> {
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let r = unsafe{ _read() };
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// When marchid is hardwired to zero it means that the marchid
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// csr isn't implemented.
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NonZeroUsize::new(r).map(|bits| Marchid { bits })
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}
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