1 files changed, 100 insertions, 0 deletions
diff --git a/tools/bus_space/C/lang.c b/tools/bus_space/C/lang.c
new file mode 100644
index 0000000..6408343
--- /dev/null
+++ b/tools/bus_space/C/lang.c
@@ -0,0 +1,100 @@
+/*-
+ * Copyright (c) 2014 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <errno.h>
+
+#include "bus_space.h"
+#include "libbus_space.h"
+
+int
+bus_space_read_1(int rid, long ofs)
+{
+	uint8_t val;
+
+	return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val);
+}
+
+int
+bus_space_read_2(int rid, long ofs)
+{
+	uint16_t val;
+
+	return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val);
+}
+
+int64_t
+bus_space_read_4(int rid, long ofs)
+{
+	uint32_t val;
+
+	return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int64_t)val);
+}
+
+int
+bus_space_write_1(int rid, long ofs, uint8_t val)
+{
+
+	return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
+}
+
+int
+bus_space_write_2(int rid, long ofs, uint16_t val)
+{
+
+	return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
+}
+
+int
+bus_space_write_4(int rid, long ofs, uint32_t val)
+{
+
+	return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
+}
+
+int
+bus_space_map(const char *dev)
+{
+
+	return (bs_map(dev));
+}
+
+int
+bus_space_unmap(int rid)
+{
+
+	return ((!bs_unmap(rid)) ? errno : 0);
+}
+
+int
+bus_space_subregion(int rid, long ofs, long sz)
+{
+
+	return (bs_subregion(rid, ofs, sz));
+}