Add physical page (frame) allocator.

1 files changed, 14 insertions, 0 deletions

diff --git a/kernel/include/frame.h b/kernel/include/frame.h
new file mode 100644
index 0000000..9ffafb3
--- /dev/null
+++ b/kernel/include/frame.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <sys.h>
+
+// frame.h : physical memory allocator
+
+void frame_init_allocator(size_t total_ram, void** kernel_data_end);
+
+uint32_t frame_alloc(size_t n);		// allocate n consecutive frames (returns 0 on failure)
+void frame_free(uint32_t base, size_t n);
+
+void dbg_print_frame_stats();
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/