Add DMAC definitions

src/Makefile.am

@@ -5,6 +5,7 @@ SUBDIRS = \
 	ctrl \
 	debug \
 	display \
+	dmac \
 	fpu \
 	ge \
 	gu \

src/dmac/Makefile.am

@@ -0,0 +1,20 @@
+libdir := @PSPSDK_LIBDIR@
+
+CC = @PSP_CC@
+CCAS = $(CC)
+AR = @PSP_AR@
+RANLIB = @PSP_RANLIB@
+
+CCASFLAGS := @PSPSDK_CFLAGS@ -I$(top_srcdir)/src/base
+
+DMAC_OBJS := sceDmac_0000.o sceDmac_0001.o sceDmac_0002.o
+
+libpspdmacincludedir := @PSPSDK_INCLUDEDIR@
+libpspdmacinclude_HEADERS := pspdmac.h
+
+lib_LIBRARIES := libpspdmac.a
+libpspdmac_a_SOURCES := sceDmac.S
+libpspdmac_a_LIBADD := $(DMAC_OBJS)
+
+$(DMAC_OBJS): sceCtrl.S
+	$(AM_V_CPPAS)$(CPPASCOMPILE) -DF_$* $< -c -o $@

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);

src/dmac/sceDmac.S

@@ -0,0 +1,11 @@
+#include "pspimport.s"
+
+#ifdef F_sceDmac_0000
+    IMPORT_START "sceDmac", 0x40010011
+#endif
+#ifdef F_sceDmac_0001
+    IMPORT_FUNC "sceDmac", 0x617F3FE6, sceDmacMemcpy
+#endif
+#ifdef F_sceDmac_0002
+    IMPORT_FUNC "sceDmac", 0xD97F94D8, sceDmacTryMemcpy
+#endif