moving stuff and cleaning up

kernel/src/mem/alloc.rs

@@ -0,0 +1,35 @@
+use super::heap::Heap;
+use crate::util::mutex::{Mutex, MutexGuard};
+use core::{alloc::GlobalAlloc, ops::Range};
+
+#[global_allocator]
+pub static ALLOCATOR: Allocator = Allocator::empty();
+
+pub struct Allocator(Mutex<Heap>);
+
+// should look into why I need this, didn't see it in linked list alloc crate
+unsafe impl Sync for Allocator {}
+
+impl Allocator {
+    pub const fn empty() -> Self {
+        Self(Mutex::new(Heap::empty()))
+    }
+    pub unsafe fn init(&self, range: Range<*mut u8>) {
+        self.0.lock().init(range);
+    }
+    pub fn print(&self) {
+        self.0.lock().print();
+    }
+    pub fn heap(&self) -> MutexGuard<Heap> {
+        self.0.lock()
+    }
+}
+
+unsafe impl GlobalAlloc for Allocator {
+    unsafe fn alloc(&self, layout: core::alloc::Layout) -> *mut u8 {
+        self.0.lock().alloc(layout)
+    }
+    unsafe fn dealloc(&self, ptr: *mut u8, layout: core::alloc::Layout) {
+        self.0.lock().dealloc(ptr, layout)
+    }
+}