stos: mm: Add mm/vmm.h

Signed-off-by: Chloe M. <chloe@mensia.org>
2026-06-22 03:51:27 +00:00
parent 504a4b19b4
commit c317ed8a4d
1 changed files with 22 additions and 0 deletions
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause.
+ *
+ * Description: Virtual memory manager
+ * Author:      Chloe M.
+ */
+
+#ifndef _MM_VMM_H_
+#define _MM_VMM_H_ 1
+
+#include <stdef.h>
+#include <ke/bpal.h>
+
+#define VALLOC_BASE 0xFFFF804000000000
+
+#define PMA_TO_VMA(PMA) \
+    PTR_OFFSET((VOID *)PMA, KeBpalLoadBase())
+#define VMA_TO_PMA(VMA) \
+    (UPTR)PTR_NOFFSET(VMA, KeBpalLoadBase())
+
+#endif  /* !_MM_VMM_H_ */