1 files changed, 17 insertions, 0 deletions
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/instat.c b/sys/arch/mvme68k/stand/libbug/m68k/instat.c
new file mode 100644
index 00000000000..5e2f2d3e69e
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/instat.c
@@ -0,0 +1,17 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* returns 0 if no characters ready to read */
+int
+mvmeprom_instat()
+{
+	u_short ret;
+
+	MVMEPROM_CALL(MVMEPROM_INSTAT);
+	asm volatile ("movew ccr,%0": "=d" (ret));
+	return (!(ret & 0x4));
+}