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-rw-r--r--sys/boot/ia64/libski/skiconsole.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/sys/boot/ia64/libski/skiconsole.c b/sys/boot/ia64/libski/skiconsole.c
new file mode 100644
index 0000000..5038ce1
--- /dev/null
+++ b/sys/boot/ia64/libski/skiconsole.c
@@ -0,0 +1,98 @@
+/*-
+ * Copyright (c) 2000 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.
+ */
+
+#ifndef lint
+static const char rcsid[] =
+ "$FreeBSD$";
+#endif /* not lint */
+
+#include <stand.h>
+
+#include "bootstrap.h"
+#include "libski.h"
+
+static void
+ski_cons_probe(struct console *cp)
+{
+ cp->c_flags |= C_PRESENTIN | C_PRESENTOUT;
+}
+
+static int
+ski_cons_init(int arg)
+{
+ ssc(0, 0, 0, 0, SSC_CONSOLE_INIT);
+ return 0;
+}
+
+void
+ski_cons_putchar(int c)
+{
+ ssc(c, 0, 0, 0, SSC_PUTCHAR);
+}
+
+static int pollchar = -1;
+
+int
+ski_cons_getchar()
+{
+ int c;
+
+ if (pollchar > 0) {
+ c = pollchar;
+ pollchar = -1;
+ return c;
+ }
+
+ do {
+ c = ssc(0, 0, 0, 0, SSC_GETCHAR);
+ } while (c == 0);
+
+ return c;
+}
+
+int
+ski_cons_poll()
+{
+ int c;
+ if (pollchar > 0)
+ return 1;
+ c = ssc(0, 0, 0, 0, SSC_GETCHAR);
+ if (!c)
+ return 0;
+ pollchar = c;
+ return 1;
+}
+
+struct console ski_console = {
+ "ski",
+ "ia64 SKI console",
+ 0,
+ ski_cons_probe,
+ ski_cons_init,
+ ski_cons_putchar,
+ ski_cons_getchar,
+ ski_cons_poll
+};
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