1 files changed, 18 insertions, 0 deletions

diff --git a/arch/ppc/math-emu/mtfsb1.c b/arch/ppc/math-emu/mtfsb1.c
new file mode 100644
index 000000000000..3d9e7ed92d2b
--- /dev/null
+++ b/arch/ppc/math-emu/mtfsb1.c
@@ -0,0 +1,18 @@
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+
+#include "soft-fp.h"
+
+int
+mtfsb1(int crbD)
+{
+        if ((crbD != 1) && (crbD != 2))
+                __FPU_FPSCR |= (1 << (31 - crbD));
+
+#ifdef DEBUG
+        printk("%s: %d %08lx\n", __FUNCTION__, crbD, __FPU_FPSCR);
+#endif
+
+        return 0;
+}