ustatus.rs 761 B

12345678910111213141516171819202122232425262728293031323334353637
  1. //! ustatus register
  2. // TODO: Virtualization, Memory Privilege and Extension Context Fields
  3. use bit_field::BitField;
  4. /// ustatus register
  5. #[derive(Clone, Copy, Debug)]
  6. pub struct Ustatus {
  7. bits: usize,
  8. }
  9. impl Ustatus {
  10. /// User Interrupt Enable
  11. #[inline]
  12. pub fn uie(&self) -> bool {
  13. self.bits.get_bit(0)
  14. }
  15. /// User Previous Interrupt Enable
  16. #[inline]
  17. pub fn upie(&self) -> bool {
  18. self.bits.get_bit(4)
  19. }
  20. }
  21. read_csr_as!(Ustatus, 0x000, __read_ustatus);
  22. write_csr!(0x000, __write_ustatus);
  23. set!(0x000, __set_ustatus);
  24. clear!(0x000, __clear_ustatus);
  25. set_clear_csr!(
  26. /// User Interrupt Enable
  27. , set_uie, clear_uie, 1 << 0);
  28. set_csr!(
  29. /// User Previous Interrupt Enable
  30. , set_upie, 1 << 4);