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-rw-r--r--arch/powerpc/math-emu/stfiwx.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/math-emu/stfiwx.c b/arch/powerpc/math-emu/stfiwx.c
new file mode 100644
index 0000000000..24ae9622fe
--- /dev/null
+++ b/arch/powerpc/math-emu/stfiwx.c
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/uaccess.h>
+
+int
+stfiwx(u32 *frS, void *ea)
+{
+#ifdef DEBUG
+ printk("%s: %p %p\n", __func__, frS, ea);
+#endif
+
+ if (copy_to_user(ea, &frS[1], sizeof(frS[1])))
+ return -EFAULT;
+
+ return 0;
+}