mvme68k port by me. some parts by dale rahn.

1 files changed, 19 insertions, 0 deletions

diff --git a/sys/arch/mvme68k/stand/libbug/m88k/diskwr.c b/sys/arch/mvme68k/stand/libbug/m88k/diskwr.c
new file mode 100644
index 00000000000..681f521b5b0
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/diskwr.c
@@ -0,0 +1,19 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* returns 0: success, nonzero: error */
+int
+mvmeprom_diskwr(arg)
+	struct mvmeprom_dskio *arg;
+{
+	int ret;
+
+	asm volatile ("or r2,r0,%0": : "r" (arg) );
+	MVMEPROM_CALL(MVMEPROM_DSKWR);
+	asm volatile ("or %0,r0,r2" :  "=r" (ret));
+	return (!(ret & 0x4));
+}