Remove deprecated items

Author: phil-opp

Changelog.md

@@ -3,6 +3,11 @@
 - **Breaking:** Also return flags for `MapperAllSizes::translate()` ([#207](https://github.com/rust-osdev/x86_64/pull/207))
 - **Breaking:** Restructure the `TranslateResult` type and create separate `Translate` trait ([#211](https://github.com/rust-osdev/x86_64/pull/211))
 - **Breaking:** Use custom error types instead of `()` ([#199](https://github.com/rust-osdev/x86_64/pull/199))
+- **Breaking:** Remove deprecated items
+  - `UnusedPhysFrame`
+  - `ExceptionStackFrame`
+  - `VirtAddr::new_unchecked`
+  - `interrupts::enable_interrupts_and_hlt`
 - Relaxe `Sized` requirement for `FrameAllocator` in `Mapper::map_to` ([204](https://github.com/rust-osdev/x86_64/pull/204))
 
 # 0.12.3 – 2020-10-31

src/addr.rs

@@ -85,13 +85,6 @@ impl VirtAddr {
         VirtAddr(((addr << 16) as i64 >> 16) as u64)
     }
 
-    /// Alias for [`new_truncate`][VirtAddr::new_truncate] for backwards compatibility.
-    #[inline]
-    #[deprecated(note = "Use new_truncate or new_unsafe instead")]
-    pub const fn new_unchecked(addr: u64) -> VirtAddr {
-        Self::new_truncate(addr)
-    }
-
     /// Creates a new virtual address, without any checks.
     ///
     /// ## Safety

src/instructions/interrupts.rs

@@ -139,13 +139,6 @@ pub fn enable_and_hlt() {
     }
 }
 
-/// Alias for [`enable_and_hlt`][enable_and_hlt] for backwards compatibility.
-#[inline]
-#[deprecated(note = "Use enable_and_hlt instead")]
-pub fn enable_interrupts_and_hlt() {
-    enable_and_hlt();
-}
-
 /// Cause a breakpoint exception by invoking the `int3` instruction.
 #[inline]
 pub fn int3() {

src/structures/idt.rs

@@ -706,12 +706,6 @@ impl EntryOptions {
     }
 }
 
-/// Wrapper type for the exception stack frame pushed by the CPU.
-///
-/// Identical to [`InterruptStackFrame`].
-#[deprecated(note = "This type was renamed to InterruptStackFrame.")]
-pub type ExceptionStackFrame = InterruptStackFrame;
-
 /// Wrapper type for the interrupt stack frame pushed by the CPU.
 ///
 /// This type derefs to an [`InterruptStackFrameValue`], which allows reading the actual values.

src/structures/paging/frame_alloc.rs

@@ -1,7 +1,6 @@
 //! Traits for abstracting away frame allocation and deallocation.
 
-use crate::structures::paging::{PageSize, PhysFrame, Size4KiB};
-use core::ops::{Deref, DerefMut};
+use crate::structures::paging::{PageSize, PhysFrame};
 
 /// A trait for types that can allocate a frame of memory.
 ///
@@ -21,46 +20,3 @@ pub trait FrameDeallocator<S: PageSize> {
     /// The caller must ensure that the passed frame is unused.
     unsafe fn deallocate_frame(&mut self, frame: PhysFrame<S>);
 }
-
-/// Represents a physical frame that is not used for any mapping.
-#[deprecated(note = "This wrapper type is no longer used. Use `PhysFrame` instead.")]
-#[derive(Debug)]
-pub struct UnusedPhysFrame<S: PageSize = Size4KiB>(PhysFrame<S>);
-
-#[allow(deprecated)]
-impl<S: PageSize> UnusedPhysFrame<S> {
-    /// Creates a new UnusedPhysFrame from the given frame.
-    ///
-    /// ## Safety
-    ///
-    /// This method is unsafe because the caller must guarantee
-    /// that the given frame is unused.
-    #[inline]
-    pub unsafe fn new(frame: PhysFrame<S>) -> Self {
-        Self(frame)
-    }
-
-    /// Returns the physical frame as `PhysFrame` type.
-    #[inline]
-    pub fn frame(self) -> PhysFrame<S> {
-        self.0
-    }
-}
-
-#[allow(deprecated)]
-impl<S: PageSize> Deref for UnusedPhysFrame<S> {
-    type Target = PhysFrame<S>;
-
-    #[inline]
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-#[allow(deprecated)]
-impl<S: PageSize> DerefMut for UnusedPhysFrame<S> {
-    #[inline]
-    fn deref_mut(&mut self) -> &mut Self::Target {
-        &mut self.0
-    }
-}

src/structures/paging/mod.rs

@@ -3,8 +3,6 @@
 //! Page tables translate virtual memory “pages” to physical memory “frames”.
 
 pub use self::frame::PhysFrame;
-#[allow(deprecated)]
-pub use self::frame_alloc::UnusedPhysFrame;
 pub use self::frame_alloc::{FrameAllocator, FrameDeallocator};
 #[doc(no_inline)]
 pub use self::mapper::MappedPageTable;