ucause only as readable bits

Author: almindor

src/register/ucause.rs

@@ -1,7 +1,5 @@
 //! ucause register
 
-pub use crate::register::mcause::{Interrupt, Exception, Trap};
-
 /// ucause register
 #[derive(Clone, Copy, Debug)]
 pub struct Ucause {
@@ -14,47 +12,6 @@ impl Ucause {
     pub fn bits(&self) -> usize {
         self.bits
     }
-
-    /// Returns the code field
-    pub fn code(&self) -> usize {
-        match () {
-            #[cfg(target_pointer_width = "32")]
-            () => self.bits & !(1 << 31),
-            #[cfg(target_pointer_width = "64")]
-            () => self.bits & !(1 << 63),
-            #[cfg(target_pointer_width = "128")]
-            () => self.bits & !(1 << 127),
-        }
-    }
-
-    /// Trap Cause
-    #[inline]
-    pub fn cause(&self) -> Trap {
-        if self.is_interrupt() {
-            Trap::Interrupt(Interrupt::from(self.code()))
-        } else {
-            Trap::Exception(Exception::from(self.code()))
-        }
-    }
-
-    /// Is trap cause an interrupt.
-    #[inline]
-    pub fn is_interrupt(&self) -> bool {
-        match () {
-            #[cfg(target_pointer_width = "32")]
-            () => self.bits & (1 << 31) == 1 << 31,
-            #[cfg(target_pointer_width = "64")]
-            () => self.bits & (1 << 63) == 1 << 63,
-            #[cfg(target_pointer_width = "128")]
-            () => self.bits & (1 << 127) == 1 << 127,
-        }
-    }
-
-    /// Is trap cause an exception.
-    #[inline]
-    pub fn is_exception(&self) -> bool {
-        !self.is_interrupt()
-    }
 }
 
 read_csr_as!(Ucause, 0x042, __read_ucause);