Reorganize the codebase

framework/jinux-frame/src/vm/heap_allocator.rs

@@ -0,0 +1,20 @@
+use crate::config::KERNEL_HEAP_SIZE;
+use buddy_system_allocator::LockedHeap;
+
+#[global_allocator]
+static HEAP_ALLOCATOR: LockedHeap<32> = LockedHeap::empty();
+
+#[alloc_error_handler]
+pub fn handle_alloc_error(layout: core::alloc::Layout) -> ! {
+    panic!("Heap allocation error, layout = {:?}", layout);
+}
+
+static mut HEAP_SPACE: [u8; KERNEL_HEAP_SIZE] = [0; KERNEL_HEAP_SIZE];
+
+pub fn init() {
+    unsafe {
+        HEAP_ALLOCATOR
+            .lock()
+            .init(HEAP_SPACE.as_ptr() as usize, KERNEL_HEAP_SIZE);
+    }
+}