From f8028b0aa2318fc10df39c8dec1353b91e1597be Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Wed, 1 May 2013 00:44:51 +0000
Subject: [PATCH] target-ppc: Add read and write of PPR SPR

Recent Linux kernels save and restore the PPR across exceptions
so we need to handle it.

Signed-off-by: Anton Blanchard <anton@au1.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
(cherry picked from commit 04559d5210860ea5853db09c75ea8ff2f8843e16)
---
 target-ppc/translate_init.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 88d9dfa..7e46fdc 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -6738,6 +6738,10 @@ static void init_proc_POWER7 (CPUPPCState *env)
                  &spr_read_generic, &spr_write_generic,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
+    spr_register(env, SPR_PPR, "PPR",
+                 &spr_read_generic, &spr_write_generic,
+                 &spr_read_generic, &spr_write_generic,
+                 0x00000000);
 #if !defined(CONFIG_USER_ONLY)
     env->slb_nr = 32;
 #endif