Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

[mv-sheeva.git] / arch / arm / vfp / vfp.h

diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 96fdf30f6a3bb2098a39c5907ea89cd983a95b90..c85860bad585ecfd10d4a316408f8080f7748667 100644 (file)
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -265,7 +265,11 @@ struct vfp_double {
  * which returns (double)0.0.  This is useful for the compare with
  * zero instructions.
  */
+#ifdef CONFIG_VFPv3
+#define VFP_REG_ZERO   32
+#else
 #define VFP_REG_ZERO   16
+#endif
 extern u64 vfp_get_double(unsigned int reg);
 extern void vfp_put_double(u64 val, unsigned int reg);
 
@@ -355,3 +359,24 @@ 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.
+ *  OP_SM - the instruction exceptionally reads from a single precision operand.
+ */
+#define OP_SCALAR      (1 << 0)
+#define OP_SD          (1 << 1)
+#define OP_DD          (1 << 1)
+#define OP_SM          (1 << 2)
+
+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