powerpc: move math-emu over to arch/powerpc

[pandora-kernel.git] / arch / powerpc / math-emu / mtfsb0.c

diff --git a/arch/powerpc/math-emu/mtfsb0.c b/arch/powerpc/math-emu/mtfsb0.c
new file mode 100644 (file)
index 0000000..99bfd80
--- /dev/null
+++ b/arch/powerpc/math-emu/mtfsb0.c
@@ -0,0 +1,18 @@
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+
+#include "soft-fp.h"
+
+int
+mtfsb0(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;
+}