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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2015-02-09 22:40:47 +0000
committerAlexander Graf <agraf@suse.de>2015-03-09 15:00:05 +0100
commit2828c4cd92b1c0590b959ec022888b1f6909949a (patch)
treeafb1992112aad4329719489a8ea7ee1a2f75cf3f /target-ppc/misc_helper.c
parent6cb577dde5c2e19025f4f24fdff46c47ba8cd398 (diff)
downloadqemu-arm-2828c4cd92b1c0590b959ec022888b1f6909949a.tar.gz
target-ppc: move sdr1 value change detection logic to helper_store_sdr1()
Otherwise when cpu_post_load calls ppc_store_sdr1() when restoring a VM snapshot the value is deemed unchanged and so the internal env->htab* variables aren't set correctly. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc/misc_helper.c')
-rw-r--r--target-ppc/misc_helper.c7
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);
+ }
}
}