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-rw-r--r--firmware/include/buflib_malloc.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/firmware/include/buflib_malloc.h b/firmware/include/buflib_malloc.h
new file mode 100644
index 0000000000..a17c75c29a
--- /dev/null
+++ b/firmware/include/buflib_malloc.h
@@ -0,0 +1,65 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2023 Aidan MacDonald
+ *
+ * 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _BUFLIB_MALLOC_H_
+#define _BUFLIB_MALLOC_H_
+
+#ifndef _BUFLIB_H_
+# error "include buflib.h instead"
+#endif
+
+struct buflib_malloc_handle
+{
+ void *data;
+ void *user;
+ size_t size;
+ unsigned int pin_count;
+ struct buflib_callbacks *ops;
+};
+
+struct buflib_context
+{
+ struct buflib_malloc_handle *allocs;
+ size_t num_allocs;
+
+ void *buf;
+ size_t bufsize;
+};
+
+#ifndef BUFLIB_DEBUG_GET_DATA
+static inline void *buflib_get_data(struct buflib_context *ctx, int handle)
+{
+ return ctx->allocs[handle - 1].user;
+}
+#endif
+
+static inline void *buflib_get_data_pinned(struct buflib_context *ctx, int handle)
+{
+ buflib_pin(ctx, handle);
+ return buflib_get_data(ctx, handle);
+}
+
+void _buflib_malloc_put_data_pinned(struct buflib_context *ctx, void *data);
+static inline void buflib_put_data_pinned(struct buflib_context *ctx, void *data)
+{
+ _buflib_malloc_put_data_pinned(ctx, data);
+}
+
+#endif /* _BUFLIB_MALLOC_H_ */