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Diffstat (limited to 'sys/arch/mvmeppc/stand/libbug/diskrd.c')
-rw-r--r--sys/arch/mvmeppc/stand/libbug/diskrd.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/arch/mvmeppc/stand/libbug/diskrd.c b/sys/arch/mvmeppc/stand/libbug/diskrd.c
new file mode 100644
index 00000000000..3ff1de00e71
--- /dev/null
+++ b/sys/arch/mvmeppc/stand/libbug/diskrd.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_diskrd(arg)
+ struct mvmeprom_dskio *arg;
+{
+ int ret;
+
+ asm volatile ("mr 3, %0" :: "r"(arg));
+ MVMEPROM_CALL(MVMEPROM_NETRD);
+ asm volatile ("mr %0, 3" : "=r" (ret));
+ return ((ret & 0x8));
+}