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-rw-r--r--sys/include/sys/types.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/include/sys/types.h b/sys/include/sys/types.h
index 4861d4a..29f4421 100644
--- a/sys/include/sys/types.h
+++ b/sys/include/sys/types.h
@@ -66,4 +66,10 @@ typedef _Bool bool;
typedef ssize_t off_t;
typedef size_t uintptr_t;
+#if defined(_KERNEL)
+typedef uintptr_t vaddr_t; /* Virtual address */
+typedef uintptr_t paddr_t; /* Physical address */
+typedef uint32_t vm_prot_t; /* Access flags */
+#endif /* defined(_KERNEL) */
+
#endif /* !_SYS_TYPES_H_ */