Add a simple library for accessing i/o ports and memory on the alpha.

This is only intended for use by the X server.

1 files changed, 50 insertions, 0 deletions

diff --git a/lib/libio/alpha_sethae.c b/lib/libio/alpha_sethae.c
new file mode 100644
index 000000000000..365b0514965a
--- /dev/null
+++ b/lib/libio/alpha_sethae.c
@@ -0,0 +1,50 @@
+/*-
+ * Copyright (c) 1998 Doug Rabson
+ * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+static const char rcsid[] = "$Id$";
+#endif /* LIBC_RCS and not lint */
+
+#include <sys/types.h>
+#include <machine/sysarch.h>
+
+extern int sysarch(int, char *);
+
+struct parms {
+	u_int64_t hae;
+};
+
+int
+alpha_sethae(u_int64_t hae)
+{
+	struct parms p;
+
+	p.hae = hae;
+
+	return (sysarch(ALPHA_SETHAE, (char *)&p));
+}