1 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/math-emu/frsp.c b/arch/powerpc/math-emu/frsp.c
new file mode 100644
index 0000000000..cb33e3d9bb
--- /dev/null
+++ b/arch/powerpc/math-emu/frsp.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/uaccess.h>
+
+#include <asm/sfp-machine.h>
+#include <math-emu/soft-fp.h>
+#include <math-emu/double.h>
+#include <math-emu/single.h>
+
+int
+frsp(void *frD, void *frB)
+{
+	FP_DECL_D(B);
+	FP_DECL_EX;
+
+#ifdef DEBUG
+	printk("%s: D %p, B %p\n", __func__, frD, frB);
+#endif
+
+	FP_UNPACK_DP(B, frB);
+
+#ifdef DEBUG
+	printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
+#endif
+
+	__FP_PACK_DS(frD, B);
+
+	return FP_CUR_EXCEPTIONS;
+}