[rtems commit] powerpc: Fix PPC_CONTEXT_VOLATILE_SIZE

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    d30c2cc2881108f1622f29547f986e3f5c15f436
Changeset: http://git.rtems.org/rtems/commit/?id=d30c2cc2881108f1622f29547f986e3f5c15f436

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Jun 20 13:01:02 2017 +0200

powerpc: Fix PPC_CONTEXT_VOLATILE_SIZE

Account for legacy AltiVec context.

---

 cpukit/score/cpu/powerpc/rtems/score/cpu.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cpukit/score/cpu/powerpc/rtems/score/cpu.h b/cpukit/score/cpu/powerpc/rtems/score/cpu.h
index 53b4bd2..28f9a25 100644
--- a/cpukit/score/cpu/powerpc/rtems/score/cpu.h
+++ b/cpukit/score/cpu/powerpc/rtems/score/cpu.h
@@ -398,6 +398,10 @@ static inline ppc_context *ppc_get_context( const Context_Control *context )
   #define PPC_CONTEXT_VOLATILE_SIZE PPC_CONTEXT_OFFSET_F( 32 )
 #elif defined(PPC_MULTILIB_ALTIVEC)
   #define PPC_CONTEXT_VOLATILE_SIZE (PPC_CONTEXT_OFFSET_VRSAVE + 4)
+#elif defined(__ALTIVEC__)
+  #define PPC_CONTEXT_VOLATILE_SIZE \
+    (PPC_CONTEXT_GPR_OFFSET( 32 ) + 8 \
+      + 16 * 12 + 32 + PPC_DEFAULT_CACHE_LINE_SIZE)
 #else
   #define PPC_CONTEXT_VOLATILE_SIZE (PPC_CONTEXT_GPR_OFFSET( 32 ) + 8)
 #endif