Add DMAC definitions

src/dmac/pspdmac.h

@@ -0,0 +1,24 @@
+/*
+ * PSP Software Development Kit - http://www.pspdev.org
+ * -----------------------------------------------------------------------
+ * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
+ *
+ * dmac.c - A DMAC function
+ *
+ * Copyright (c) 2016 173210 <root.3.173210@live.com>
+ */
+
+#include <psptypes.h>
+
+/**
+ * Copy data in memory using DMAC
+ *
+ * @param dst - The pointer to the destination
+ * @param src - The pointer to the source
+ * @param n - The size of data
+ *
+ * @return 0 on success; otherwise an error code
+ */
+int sceDmacMemcpy(void *dst, const void *src, SceSize n);
+
+int sceDmacTryMemcpy(void *dst, const void *src, SceSize n);