Signed-off-by: Pranith Kumar <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
---
target-arm/translate.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/target-arm/translate.c b/target-arm/translate.c
index c946c0e..e1b16c0 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -7980,9 +7980,11 @@ static void disas_arm_insn(DisasContext *s, unsigned int
insn)
gen_clrex(s);
return;
case 4: /* dsb */
+ ARCH(7);
+ return;
case 5: /* dmb */
ARCH(7);
- /* We don't emulate caches so these are a no-op. */
+ tcg_gen_mb(TCG_MB_FULL);
return;
case 6: /* isb */
/* We need to break the TB after this insn to execute
@@ -10330,8 +10332,9 @@ static int disas_thumb2_insn(CPUARMState *env,
DisasContext *s, uint16_t insn_hw
gen_clrex(s);
break;
case 4: /* dsb */
+ break;
case 5: /* dmb */
- /* These execute as NOPs. */
+ tcg_gen_mb(TCG_MB_FULL);
break;
case 6: /* isb */
/* We need to break the TB after this insn
--
2.8.3
