Initial commit.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>

Makefile

@@ -0,0 +1,72 @@
+CC := arm-linux-gcc
+# CFLAGS := -Wall -g3
+CFLAGS := -Wall -O2
+
+CL6X := $(DSP_TOOLS)/bin/cl6x
+LNK6X := $(DSP_TOOLS)/bin/lnk6x
+DLLCREATE := $(DSP_DOFFBUILD)/bin/DLLcreate
+
+ifdef DEBUG
+CFLAGS += -DDEBUG
+endif
+
+# bridge
+BRIDGE_LIBS := -L$(BRIDGE_DIR) -lbridge
+BRIDGE_CFLAGS := -I$(BRIDGE_DIR)/inc -DOMAP_3430
+
+all:
+
+# dummy
+
+dummy: dummy_arm.o dmm_buffer.o
+dummy: CFLAGS := $(CFLAGS) $(BRIDGE_CFLAGS)
+dummy: LIBS := $(BRIDGE_LIBS) -lpthread
+
+bins += dummy
+
+dummy.x64P: dummy_dsp.o64P dummy_bridge.o64P
+
+dummy.dll64P: dummy.x64P
+dummy.dll64P: CFLAGS :=
+dummy.dll64P: INCLUDES := -I$(DSP_TOOLS)/include
+
+bins += dummy.dll64P
+
+all: $(bins)
+
+clean:
+	$(Q)rm -f $(bins)
+	$(Q)rm -f *.o *.o64P *.x64P
+
+# from Lauri Leukkunen's build system
+ifdef V
+Q = 
+P = @printf "" # <- space before hash is important!!!
+else
+P = @printf "[%s] $@\n" # <- space before hash is important!!!
+Q = @
+endif
+
+%.o64P:: %.s
+	$(P)CL6X
+	$(Q)$(CL6X) $(CFLAGS) $(INCLUDES) -mv=64p -eo.o64P -c $<
+
+%.o64P:: %.c
+	$(P)CL6X
+	$(Q)$(CL6X) $(CFLAGS) $(INCLUDES) -mv=64p -eo.o64P -c $<
+
+%.x64P::
+	$(P)LNK6X
+	$(Q)$(LNK6X) -r -cr -o $@ $+
+
+%.dll64P::
+	$(P)DLLCREATE
+	$(Q)$(DLLCREATE) $< -o=$@
+
+%.o:: %.c
+	$(P)CC
+	$(Q)$(CC) $(CFLAGS) $(INCLUDES) -o $@ -c $<
+
+dummy:
+	$(P)LINK
+	$(Q)$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)

dmm_buffer.c

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2008 Nokia Corporation.
+ *
+ * Author: Felipe Contreras <felipe.contreras@nokia.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "dmm_buffer.h"
+
+#include <stdlib.h>
+
+DmmBuffer *
+dmm_buffer_new (DSP_HNODE handle)
+{
+    DmmBuffer *buffer;
+    buffer = calloc (1, sizeof (DmmBuffer));
+
+    buffer->handle = handle;
+
+    return buffer;
+}
+
+void
+dmm_buffer_free (DmmBuffer *buffer)
+{
+#ifdef DEBUG
+    printf ("%s: %p\n", __func__, buffer);
+#endif
+    DSPProcessor_UnMap (buffer->handle, buffer->map);
+    DSPProcessor_UnReserveMemory (buffer->handle, buffer->reserve);
+    free (buffer->allocated_data);
+    free (buffer);
+}
+
+void
+dmm_buffer_allocate (DmmBuffer *buffer,
+                     unsigned int size)
+{
+    buffer->data = buffer->allocated_data = malloc (size);
+    buffer->size = size;
+    dmm_buffer_map (buffer);
+}
+
+void
+dmm_buffer_use (DmmBuffer *buffer,
+                void *data,
+                unsigned int size)
+{
+    buffer->data = data;
+    buffer->size = size;
+    dmm_buffer_map (buffer);
+}

dmm_buffer.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2008 Nokia Corporation.
+ *
+ * Author: Felipe Contreras <felipe.contreras@nokia.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef DMM_BUFFER_H
+#define DMM_BUFFER_H
+
+#include <dbapi.h>
+
+#define DMM_PAGE_SIZE 4096
+#define ROUND_TO_PAGESIZE(n) ((((n) + 4095) / DMM_PAGE_SIZE) * DMM_PAGE_SIZE)
+
+typedef struct
+{
+    DSP_HNODE handle;
+    void *data;
+    void *allocated_data;
+    unsigned long size;
+    void *reserve;
+    void *map;
+} DmmBuffer;
+
+DmmBuffer *dmm_buffer_new (DSP_HNODE handle);
+
+void dmm_buffer_free (DmmBuffer *buffer);
+
+void dmm_buffer_allocate (DmmBuffer *buffer, unsigned int size);
+
+void dmm_buffer_use (DmmBuffer *buffer, void *data, unsigned int size);
+
+static inline void
+dmm_buffer_map (DmmBuffer *buffer)
+{
+#ifdef DEBUG
+    printf ("%s: %p\n", __func__, buffer);
+#endif
+    unsigned int to_reserve;
+    to_reserve = ROUND_TO_PAGESIZE (buffer->size) + (2 * DMM_PAGE_SIZE);
+    DSPProcessor_ReserveMemory (buffer->handle, to_reserve, &buffer->reserve);
+    DSPProcessor_Map (buffer->handle, buffer->data, buffer->size,
+                      buffer->reserve, &buffer->map, 0);
+}
+
+static inline void
+dmm_buffer_flush (DmmBuffer *buffer)
+{
+#ifdef DEBUG
+    printf ("%s: %p\n", __func__, buffer);
+#endif
+    DSPProcessor_FlushMemory (buffer->handle, buffer->data, buffer->size, 0);
+}
+
+static inline void
+dmm_buffer_invalidate (DmmBuffer *buffer)
+{
+#ifdef DEBUG
+    printf ("%s: %p\n", __func__, buffer);
+#endif
+    DSPProcessor_InvalidateMemory (buffer->handle, buffer->data, buffer->size);
+}
+
+#endif /* DMM_BUFFER_H */