1 files changed, 21 insertions, 0 deletions
diff --git a/mem/buddymap.h b/mem/buddymap.h
new file mode 100644
index 0000000..2f4f5dc
--- /dev/null
+++ b/mem/buddymap.h
@@ -0,0 +1,21 @@
+#ifndef JOVE_MEMORY_BUDDYMAP_H
+#define JOVE_MEMORY_BUDDYMAP_H 1
+
+#include "memory.h"
+#include <stdint.h>
+#include <stddef.h>
+
+#define MEMMAP_BUDDY_LIMIT (4 * GiB)
+
+void mem_buddy_set_range(uintptr_t base, size_t length);
+void mem_buddy_free_range(uintptr_t base, size_t length);
+uintptr_t mem_buddy_takefree(size_t layer);
+
+#define mem_buddy_takefree_4k() mem_buddy_takefree(0)
+#define mem_buddy_takefree_8k() mem_buddy_takefree(1)
+#define mem_buddy_takefree_16k() mem_buddy_takefree(2)
+#define mem_buddy_takefree_32k() mem_buddy_takefree(3)
+
+void mem_buddy_setup(void);
+
+#endif