memory allocator/pager, plus other stuff

1 files changed, 31 insertions, 0 deletions

diff --git a/kernel/memory/virtalloc.h b/kernel/memory/virtalloc.h
new file mode 100644
index 0000000..a5ca840
--- /dev/null
+++ b/kernel/memory/virtalloc.h
@@ -0,0 +1,31 @@
+/**
+ * @file virtalloc.h
+ *
+ * @author Freya Murphy <freya@freyacat.org>
+ *
+ * Virtural address allocator functions
+ */
+
+#ifndef VIRTALLOC_H_
+#define VIRTALLOC_H_
+
+/**
+ * Initalizes the virtual address allocator
+ */
+void virtaddr_init(void);
+
+/**
+ * Allocate a virtual address of length x pages
+ * @param pages - x pages
+ * @returns virt addr
+ */
+void *virtaddr_alloc(int pages);
+
+/**
+ * Free the virtual address from virtaddr_alloc
+ * @param virtaddr - the addr to free
+ * @returns number of pages used for virtaddr
+ */
+long virtaddr_free(void *virtaddr);
+
+#endif /* virtalloc.h */