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[2/3] risu_ppc64le: zero the xer register

Message ID 1486619931-1086-3-git-send-email-nikunj@linux.vnet.ibm.com
State New
Headers show

Commit Message

Nikunj A Dadhania Feb. 9, 2017, 5:58 a.m. UTC 
Observed failures running with P9 mambo model, and figured out that the
xer wasn't initialized.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
---
 risugen_ppc64.pm | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/risugen_ppc64.pm b/risugen_ppc64.pm
index 0532e3a..03f9317 100644
--- a/risugen_ppc64.pm
+++ b/risugen_ppc64.pm
@@ -168,6 +168,9 @@  sub clear_vr_registers()
     insn32(0x3ac10020);
     # li r23, 0
     write_mov_ri(23, 0);
+    # zero the xer register
+    # mtxer   r23
+    insn32(0x7ee103a6);
     # std r23, 0(r22)
     insn32(0xfaf60000);