1 files changed, 33 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/fpumacro.h b/arch/sparc/include/asm/fpumacro.h
new file mode 100644
index 000000000000..cc463fec806f
--- /dev/null
+++ b/arch/sparc/include/asm/fpumacro.h
@@ -0,0 +1,33 @@
+/* fpumacro.h: FPU related macros.
+ *
+ * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#ifndef _SPARC64_FPUMACRO_H
+#define _SPARC64_FPUMACRO_H
+
+#include <asm/asi.h>
+#include <asm/visasm.h>
+
+struct fpustate {
+        u32     regs[64];
+};
+
+#define FPUSTATE (struct fpustate *)(current_thread_info()->fpregs)
+
+static inline unsigned long fprs_read(void)
+{
+        unsigned long retval;
+
+        __asm__ __volatile__("rd %%fprs, %0" : "=r" (retval));
+
+        return retval;
+}
+
+static inline void fprs_write(unsigned long val)
+{
+        __asm__ __volatile__("wr %0, 0x0, %%fprs" : : "r" (val));
+}
+
+#endif /* !(_SPARC64_FPUMACRO_H) */