pvmfw: Integrate buddy_system_allocator
Add support for heap allocation.
Test: atest MicrodroidTestApp
Change-Id: I6b4df790b3cd86fe29db87dd312d5c671548e607
diff --git a/pvmfw/src/heap.rs b/pvmfw/src/heap.rs
new file mode 100644
index 0000000..bfa8320
--- /dev/null
+++ b/pvmfw/src/heap.rs
@@ -0,0 +1,26 @@
+// Copyright 2022, The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Heap implementation.
+
+use buddy_system_allocator::LockedHeap;
+
+#[global_allocator]
+static HEAP_ALLOCATOR: LockedHeap<32> = LockedHeap::<32>::new();
+
+static mut HEAP: [u8; 65536] = [0; 65536];
+
+pub unsafe fn init() {
+ HEAP_ALLOCATOR.lock().init(HEAP.as_mut_ptr() as usize, HEAP.len());
+}