[rtems commit] powerpc: Do not validate reserved XER bits

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    8dc2e7bd7e27f16a461ae7c488a5682ff7811838
Changeset: http://git.rtems.org/rtems/commit/?id=8dc2e7bd7e27f16a461ae7c488a5682ff7811838

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Mon Nov 18 14:34:13 2013 +0100

powerpc: Do not validate reserved XER bits

---

 cpukit/score/cpu/powerpc/ppc-context-validate.S |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpukit/score/cpu/powerpc/ppc-context-validate.S b/cpukit/score/cpu/powerpc/ppc-context-validate.S
index 65f78c5..ecf84d6 100644
--- a/cpukit/score/cpu/powerpc/ppc-context-validate.S
+++ b/cpukit/score/cpu/powerpc/ppc-context-validate.S
@@ -82,7 +82,7 @@ _CPU_Context_validate:
 	mtlr	r4
 	addi	r4, r3, 26
 	mtctr	r4
-	addi	r4, r3, 27
+	rlwinm	r4, r3, 0, 25, 2
 	mtxer	r4
 	addi	r0, r3, 28
 
@@ -215,7 +215,7 @@ check:
 	mfctr	r5
 	cmpw	r4, r5
 	bne	restore
-	addi	r4, r3, 27
+	rlwinm	r4, r3, 0, 25, 2
 	mfxer	r5
 	cmpw	r4, r5
 	bne	restore