Commit c3e3819

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uefi: allocator: implement Allocator trait from allocator_api

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Lines changed: 3 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -28,8 +28,10 @@`
`28`	`28`	- The `Display` impl for `CStr8` now excludes the trailing null character.
`29`	`29`	- `VariableKeys` initializes with a larger name buffer to work around firmware
`30`	`30`	`bugs on some devices.`
`31`		-- The UEFI `allocator::Allocator` has been optimized for page-aligned
	`31`	+- The UEFI `allocator::Allocator` has been optimized for page-aligned
`32`	`32`	`allocations.`
	`33`	+- The UEFI `allocator::Allocator` now implements `core::alloc::Allocator`
	`34`	+ (`allocator_api`), when the `--unstable` feature is used.
`33`	`35`
`34`	`36`
`35`	`37`	`# uefi - 0.34.1 (2025年02月07日)`

Lines changed: 17 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -20,6 +20,9 @@ use core::ptr::{self, NonNull};`
`20`	`20`	`use core::sync::atomic::{AtomicU32, Ordering};`
`21`	`21`	`use uefi_raw::table::boot::PAGE_SIZE;`
`22`	`22`
	`23`	`+#[cfg(feature = "unstable")]`
	`24`	`+use core::alloc as alloc_api;`
	`25`	`+`
`23`	`26`	`/// Get the memory type to use for allocation.`
`24`	`27`	`///`
`25`	`28`	`/// The first time this is called, the data type of the loaded image will be`
`@@ -160,3 +163,17 @@ unsafe impl GlobalAlloc for Allocator {`
`160`	`163`	`}`
`161`	`164`	`}`
`162`	`165`	`}`
	`166`	`+`
	`167`	`+#[cfg(feature = "unstable")]`
	`168`	`+unsafe impl alloc_api::Allocator for Allocator {`
	`169`	`+ fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, alloc_api::AllocError> {`
	`170`	`+ let ptr = unsafe { <Allocator as GlobalAlloc>::alloc(self, layout) };`
	`171`	`+ NonNull::new(ptr)`
	`172`	`+ .ok_or(alloc_api::AllocError)`
	`173`	`+ .map(\|ptr\| NonNull::slice_from_raw_parts(ptr, layout.size()))`
	`174`	`+ }`
	`175`	`+`
	`176`	`+ unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {`
	`177`	`+ unsafe { <Allocator as GlobalAlloc>::dealloc(self, ptr.as_ptr(), layout) }`
	`178`	`+ }`
	`179`	`+}`

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