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Create a memory manager for convenience

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Philipp Oppermann
2017-04-18 18:17:02 +02:00
parent 0e3857ca50
commit 73d4390f27
1 changed files with 17 additions and 0 deletions
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17
src/memory/mod.rs
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@@ -1,5 +1,6 @@
pub use self::area_frame_allocator::AreaFrameAllocator; pub use self::area_frame_allocator::AreaFrameAllocator;
pub use self::paging::remap_the_kernel; pub use self::paging::remap_the_kernel;
pub use self::stack_allocator::Stack;
use self::paging::PhysicalAddress; use self::paging::PhysicalAddress;
use multiboot2::BootInformation; use multiboot2::BootInformation;
@@ -100,3 +101,19 @@ pub trait FrameAllocator {
fn allocate_frame(&mut self) -> Option<Frame>; fn allocate_frame(&mut self) -> Option<Frame>;
fn deallocate_frame(&mut self, frame: Frame); fn deallocate_frame(&mut self, frame: Frame);
} }
pub struct MemoryController {
active_table: paging::ActivePageTable,
frame_allocator: AreaFrameAllocator,
stack_allocator: stack_allocator::StackAllocator,
}
impl MemoryController {
pub fn alloc_stack(&mut self, size_in_pages: usize) -> Option<Stack> {
let &mut MemoryController { ref mut active_table,
ref mut frame_allocator,
ref mut stack_allocator } = self;
stack_allocator.alloc_stack(active_table, frame_allocator,
size_in_pages)
}
}