1 files changed, 75 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/buffer_pool.h b/firmware/microblaze/lib/buffer_pool.h
new file mode 100644
index 000000000..145b20f8d
--- /dev/null
+++ b/firmware/microblaze/lib/buffer_pool.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_BUFFER_POOL_H
+#define INCLUDED_BUFFER_POOL_H
+
+#include "memory_map.h"
+
+// Buffer Pool Management
+
+
+// define to have common buffer operations inlined
+#define INLINE_BUFFER_POOL 1
+
+void bp_init(void);
+
+#ifndef INLINE_BUFFER_POOL
+
+void bp_clear_buf(int bufnum);
+void bp_disable_port(int portnum);
+void bp_receive_to_buf(int bufnum, int port, int step, int fl, int ll);
+void bp_send_from_buf(int bufnum, int port, int step, int fl, int ll);
+
+#else
+
+static inline void
+bp_clear_buf(int bufnum)
+{
+  buffer_pool_ctrl->ctrl = BPC_BUFFER(bufnum) | BPC_PORT_NIL | BPC_CLR;
+}
+
+static inline void
+bp_disable_port(int portnum) 
+{
+  // disable buffer connections to this port
+  buffer_pool_ctrl->ctrl = BPC_BUFFER_NIL | BPC_PORT(portnum);
+}
+
+static inline void
+bp_receive_to_buf(int bufnum, int port, int step, int fl, int ll)
+{
+  buffer_pool_ctrl->ctrl = (BPC_READ
+			    | BPC_BUFFER(bufnum)
+			    | BPC_PORT(port)
+			    | BPC_STEP(step)
+			    | BPC_FIRST_LINE(fl)
+			    | BPC_LAST_LINE(ll));
+}
+
+static inline void
+bp_send_from_buf(int bufnum, int port, int step, int fl, int ll)
+{
+  buffer_pool_ctrl->ctrl = (BPC_WRITE
+			    | BPC_BUFFER(bufnum)
+			    | BPC_PORT(port)
+			    | BPC_STEP(step)
+			    | BPC_FIRST_LINE(fl)
+			    | BPC_LAST_LINE(ll));
+}
+#endif
+#endif