Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / powerpc / math-emu / stfd.c

diff --git a/kernel/arch/powerpc/math-emu/stfd.c b/kernel/arch/powerpc/math-emu/stfd.c
new file mode 100644 (file)
index 0000000..33a165c
--- /dev/null
+++ b/kernel/arch/powerpc/math-emu/stfd.c
@@ -0,0 +1,20 @@
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+
+int
+stfd(void *frS, void *ea)
+{
+#if 0
+#ifdef DEBUG
+       printk("%s: S %p, ea %p: ", __func__, frS, ea);
+       dump_double(frS);
+       printk("\n");
+#endif
+#endif
+
+       if (copy_to_user(ea, frS, sizeof(double)))
+               return -EFAULT;
+
+       return 0;
+}