2 files changed, 32 insertions, 10 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 101ed87f7d8..cd7a47860e5 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -207,6 +207,11 @@ struct thread_struct {
 #define INIT_SP_LIMIT \
 	(_ALIGN_UP(sizeof(init_thread_info), 16) + (unsigned long) &init_stack)
 
+#ifdef CONFIG_SPE
+#define SPEFSCR_INIT .spefscr = SPEFSCR_FINVE | SPEFSCR_FDBZE | SPEFSCR_FUNFE | SPEFSCR_FOVFE,
+#else
+#define SPEFSCR_INIT
+#endif
 
 #ifdef CONFIG_PPC32
 #define INIT_THREAD { \
@@ -215,6 +220,7 @@ struct thread_struct {
 	.fs = KERNEL_DS, \
 	.pgdir = swapper_pg_dir, \
 	.fpexc_mode = MSR_FE0 | MSR_FE1, \
+	SPEFSCR_INIT \
 }
 #else
 #define INIT_THREAD  { \
diff --git a/arch/powerpc/include/asm/sfp-machine.h b/arch/powerpc/include/asm/sfp-machine.h
index 88af036b1fe..3d9f831c3c5 100644
--- a/arch/powerpc/include/asm/sfp-machine.h
+++ b/arch/powerpc/include/asm/sfp-machine.h
@@ -97,6 +97,20 @@
 
 #define _FP_KEEPNANFRACP 1
 
+#ifdef FP_EX_BOOKE_E500_SPE
+#define FP_EX_INEXACT		(1 << 21)
+#define FP_EX_INVALID		(1 << 20)
+#define FP_EX_DIVZERO		(1 << 19)
+#define FP_EX_UNDERFLOW		(1 << 18)
+#define FP_EX_OVERFLOW		(1 << 17)
+#define FP_INHIBIT_RESULTS	0
+
+#define __FPU_FPSCR	(current->thread.spefscr)
+#define __FPU_ENABLED_EXC		\
+({					\
+	(__FPU_FPSCR >> 2) & 0x1f;	\
+})
+#else
 /* Exception flags.  We use the bit positions of the appropriate bits
    in the FPSCR, which also correspond to the FE_* bits.  This makes
    everything easier ;-).  */
@@ -111,6 +125,18 @@
 #define FP_EX_DIVZERO         (1 << (31 - 5))
 #define FP_EX_INEXACT         (1 << (31 - 6))
 
+#define __FPU_FPSCR	(current->thread.fpscr.val)
+
+/* We only actually write to the destination register
+ * if exceptions signalled (if any) will not trap.
+ */
+#define __FPU_ENABLED_EXC \
+({						\
+	(__FPU_FPSCR >> 3) & 0x1f;	\
+})
+
+#endif
+
 /*
  * If one NaN is signaling and the other is not,
  * we choose that one, otherwise we choose X.
@@ -135,16 +161,6 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 
-#define __FPU_FPSCR	(current->thread.fpscr.val)
-
-/* We only actually write to the destination register
- * if exceptions signalled (if any) will not trap.
- */
-#define __FPU_ENABLED_EXC \
-({						\
-	(__FPU_FPSCR >> 3) & 0x1f;	\
-})
-
 #define __FPU_TRAP_P(bits) \
 	((__FPU_ENABLED_EXC & (bits)) != 0)