Add changes from the Linux-2.6 tree.

[linux-2.6.git] / arch / arm / vfp / vfp.h

diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 96fdf30..54a2ad6 100644 (file)
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -355,3 +355,22 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
  * we check for an error.
  */
 #define VFP_EXCEPTION_ERROR    ((u32)-1 & ~VFP_NAN_FLAG)
+
+/*
+ * A flag to tell vfp instruction type.
+ *  OP_SCALAR - this operation always operates in scalar mode
+ *  OP_SD - the instruction exceptionally writes to a single precision result.
+ *  OP_DD - the instruction exceptionally writes to a double precision result.
+ */
+#define OP_SCALAR      (1 << 0)
+#define OP_SD          (1 << 1)
+#define OP_DD          (1 << 1)
+
+struct op {
+       u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);
+       u32 flags;
+};
+
+#ifdef CONFIG_SMP
+extern void vfp_save_state(void *location, u32 fpexc);
+#endif