[PATCH 2/3] target/ppc: Fix embedded memory barriers

[Nicholas Piggin <npiggin@gmail.com>]

Memory barriers are supposed to do something on BookE systems, these
were probably just missed during MTTCG enablement, maybe no targets
support SMP. Either way, add proper BookE implementations.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 target/ppc/translate/misc-impl.c.inc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/ppc/translate/misc-impl.c.inc b/target/ppc/translate/misc-impl.c.inc
index f58bf8b848..9226467f81 100644
--- a/target/ppc/translate/misc-impl.c.inc
+++ b/target/ppc/translate/misc-impl.c.inc
@@ -34,8 +34,7 @@ static bool trans_SYNC(DisasContext *ctx, arg_X_sync *a)
      */
     if (!(ctx->insns_flags & PPC_MEM_SYNC)) {
         if (ctx->insns_flags & PPC_BOOKE) {
-            /* msync replaces sync on 440, interpreted as nop */
-            /* XXX: this also catches e200 */
+            tcg_gen_mb(bar | TCG_BAR_SC);
             return true;
         }
 
@@ -80,6 +79,7 @@ static bool trans_EIEIO(DisasContext *ctx, arg_EIEIO *a)
     if (!(ctx->insns_flags & PPC_MEM_EIEIO)) {
         if ((ctx->insns_flags & PPC_BOOKE) ||
             (ctx->insns_flags2 & PPC2_BOOKE206)) {
+            tcg_gen_mb(bar | TCG_BAR_SC);
             return true;
         }
         return false;
-- 
2.43.0