firmware: mark many functions in libio as #[inline].

artiq/firmware/libio/lib.rs

@@ -105,27 +105,32 @@ pub struct Cursor<T> {
 }
 
 impl<T> Cursor<T> {
+    #[inline]
     pub fn new(inner: T) -> Cursor<T> {
         Cursor { inner, pos: 0 }
     }
 
+    #[inline]
     pub fn into_inner(self) -> T {
         self.inner
     }
 
+    #[inline]
     pub fn get_ref(&self) -> &T {
         &self.inner
     }
 
+    #[inline]
     pub fn get_mut(&mut self) -> &mut T {
         &mut self.inner
     }
 
+    #[inline]
     pub fn position(&self) -> usize {
         self.pos
-
     }
 
+    #[inline]
     pub fn set_position(&mut self, pos: usize) {
         self.pos = pos
     }
@@ -155,6 +160,7 @@ impl<T: AsMut<[u8]>> Write for Cursor<T> {
         Ok(len)
     }
 
+    #[inline]
     fn flush(&mut self) -> result::Result<(), Self::FlushError> {
         Ok(())
     }
@@ -165,11 +171,13 @@ impl<T: ::alloc::Vec<[u8]>> Write for Cursor<T> {
     type WriteError = !;
     type FlushError = !;
 
+    #[inline]
     fn write(&mut self, buf: &[u8]) -> result::Result<usize, Self::WriteError> {
         self.inner.extend(buf);
         Ok(buf.len())
     }
 
+    #[inline]
     fn flush(&mut self) -> result::Result<(), Self::FlushError> {
         Ok(())
     }

artiq/firmware/libio/proto.rs

@@ -7,35 +7,41 @@ pub trait ProtoRead {
 
     fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Self::ReadError>;
 
+    #[inline]
     fn read_u8(&mut self) -> Result<u8, Self::ReadError> {
         let mut bytes = [0; 1];
         self.read_exact(&mut bytes)?;
         Ok(bytes[0])
     }
 
+    #[inline]
     fn read_u16(&mut self) -> Result<u16, Self::ReadError> {
         let mut bytes = [0; 2];
         self.read_exact(&mut bytes)?;
         Ok(NetworkEndian::read_u16(&bytes))
     }
 
+    #[inline]
     fn read_u32(&mut self) -> Result<u32, Self::ReadError> {
         let mut bytes = [0; 4];
         self.read_exact(&mut bytes)?;
         Ok(NetworkEndian::read_u32(&bytes))
     }
 
+    #[inline]
     fn read_u64(&mut self) -> Result<u64, Self::ReadError> {
         let mut bytes = [0; 8];
         self.read_exact(&mut bytes)?;
         Ok(NetworkEndian::read_u64(&bytes))
     }
 
+    #[inline]
     fn read_bool(&mut self) -> Result<bool, Self::ReadError> {
         Ok(self.read_u8()? != 0)
     }
 
     #[cfg(feature = "alloc")]
+    #[inline]
     fn read_bytes(&mut self) -> Result<::alloc::Vec<u8>, Self::ReadError> {
         let length = self.read_u32()?;
         let mut value = vec![0; length as usize];
@@ -55,61 +61,72 @@ pub trait ProtoWrite {
 
     fn write_all(&mut self, buf: &[u8]) -> Result<(), Self::WriteError>;
 
+    #[inline]
     fn write_u8(&mut self, value: u8) -> Result<(), Self::WriteError> {
         let bytes = [value; 1];
         self.write_all(&bytes)
     }
 
+    #[inline]
     fn write_i8(&mut self, value: i8) -> Result<(), Self::WriteError> {
         let bytes = [value as u8; 1];
         self.write_all(&bytes)
     }
 
+    #[inline]
     fn write_u16(&mut self, value: u16) -> Result<(), Self::WriteError> {
         let mut bytes = [0; 2];
         NetworkEndian::write_u16(&mut bytes, value);
         self.write_all(&bytes)
     }
 
+    #[inline]
     fn write_i16(&mut self, value: i16) -> Result<(), Self::WriteError> {
         let mut bytes = [0; 2];
         NetworkEndian::write_i16(&mut bytes, value);
         self.write_all(&bytes)
     }
 
+    #[inline]
     fn write_u32(&mut self, value: u32) -> Result<(), Self::WriteError> {
         let mut bytes = [0; 4];
         NetworkEndian::write_u32(&mut bytes, value);
         self.write_all(&bytes)
     }
 
+    #[inline]
     fn write_i32(&mut self, value: i32) -> Result<(), Self::WriteError> {
         let mut bytes = [0; 4];
         NetworkEndian::write_i32(&mut bytes, value);
         self.write_all(&bytes)
     }
 
+    #[inline]
     fn write_u64(&mut self, value: u64) -> Result<(), Self::WriteError> {
         let mut bytes = [0; 8];
         NetworkEndian::write_u64(&mut bytes, value);
         self.write_all(&bytes)
     }
 
+    #[inline]
     fn write_i64(&mut self, value: i64) -> Result<(), Self::WriteError> {
         let mut bytes = [0; 8];
         NetworkEndian::write_i64(&mut bytes, value);
         self.write_all(&bytes)
     }
 
+    #[inline]
     fn write_bool(&mut self, value: bool) -> Result<(), Self::WriteError> {
         self.write_u8(value as u8)
     }
 
+    #[inline]
     fn write_bytes(&mut self, value: &[u8]) -> Result<(), Self::WriteError> {
         self.write_u32(value.len() as u32)?;
         self.write_all(value)
     }
 
+    #[inline]
     fn write_string(&mut self, value: &str) -> Result<(), Self::WriteError> {
         self.write_bytes(value.as_bytes())
     }