example compilation for OS_arena

1 files changed, 38 insertions, 0 deletions

diff --git a/arm9/lib/include/os_alloc.h b/arm9/lib/include/os_alloc.h
new file mode 100644
index 00000000..1c4b6122
--- /dev/null
+++ b/arm9/lib/include/os_alloc.h
@@ -0,0 +1,38 @@
+//
+// Created by mart on 4/23/20.
+//
+
+#ifndef POKEDIAMOND_OS_ALLOC_H
+#define POKEDIAMOND_OS_ALLOC_H
+
+#include "types.h"
+#include "os_arena.h"
+
+typedef int OSHeapHandle;
+
+typedef struct Cell Cell;
+
+struct Cell {
+    Cell* prev;
+    Cell* next;
+    long size;
+};
+
+typedef struct {
+    long size;
+    Cell *free;
+    Cell *allocated;
+} HeapDesc;
+
+typedef struct {
+    volatile OSHeapHandle currentHeap;
+    int numHeaps;
+    void* arenaStart;
+    void* arenaEnd;
+    HeapDesc* heapArray;
+} OSHeapInfo;
+
+void OS_FreeToHeap(OSArenaId id, OSHeapHandle heap, void *ptr);
+void* OS_AllocFromHeap(OSArenaId id, OSHeapHandle heap, u32 size);
+
+#endif //POKEDIAMOND_OS_ALLOC_H