Merge remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream' into staging

Patch queue for ppc - 2015-03-09

This is my current patch queue for 2.3. Highlights include:

  * pseries: 2.3 machine
  * pseries: Export RTC via QOM
  * pseries: EEH support
  * mac: save/restore support
  * fix POWER5 hosts
  * random bug fixes

# gpg: Signature made Mon Mar  9 14:00:53 2015 GMT using RSA key ID 03FEDC60
# gpg: Good signature from "Alexander Graf <agraf@suse.de>"
# gpg:                 aka "Alexander Graf <alex@csgraf.de>"

* remotes/agraf/tags/signed-ppc-for-upstream: (38 commits)
  target-ppc: Fix warnings from Sparse
  sPAPR: Implement sPAPRPHBClass EEH callbacks
  sPAPR: Implement EEH RTAS calls
  target-ppc: Add versions to server CPU descriptions
  PPC: Introduce the Virtual Time Base (VTB) SPR register
  PPC: Remove duplicate OPENPIC defines in default-configs
  ppc64-softmmu: Remove duplicated OPENPIC from config
  Revert "default-configs/ppc64: add all components of i82378 SuperIO chip used by prep"
  spapr_vio: Convert to realize()
  openpic: convert to vmstate
  openpic: switch IRQQueue queue from inline to bitmap
  openpic: fix up loadvm under -M mac99
  openpic: fix segfault on -M mac99 savevm
  target-ppc: force update of msr bits in cpu_post_load
  target-ppc: move sdr1 value change detection logic to helper_store_sdr1()
  cuda.c: include adb_poll_timer in VMStateDescription
  adb.c: include ADBDevice parent state in KBDState and MouseState
  macio.c: include parent PCIDevice state in VMStateDescription
  display cpu id dump state
  Openpic: check that cpu id is within the number of cpus
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/target-ppc/misc_helper.c b/target-ppc/misc_helper.c
index a577b3afd1..6b12ca86af 100644
--- a/target-ppc/misc_helper.c
+++ b/target-ppc/misc_helper.c
@@ -77,8 +77,13 @@ void helper_msr_facility_check(CPUPPCState *env, uint32_t bit,
 
 void helper_store_sdr1(CPUPPCState *env, target_ulong val)
 {
+    PowerPCCPU *cpu = ppc_env_get_cpu(env);
+
     if (!env->external_htab) {
-        ppc_store_sdr1(env, val);
+        if (env->spr[SPR_SDR1] != val) {
+            ppc_store_sdr1(env, val);
+            tlb_flush(CPU(cpu), 1);
+        }
     }
 }