While an ISB will ensure any raised IRQs happen on the next
instruction it doesn't cause any to get raised by itself. We can
therefor use a simple tb exit for ISB instructions and rely on the
exit_request check at the top of each TB to deal with exiting if
needed.
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
---
target/arm/translate-a64.c | 2 +-
target/arm/translate.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 66139b6046..2ac565eb10 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -1393,7 +1393,7 @@ static void handle_sync(DisasContext *s, uint32_t insn,
* a self-modified code correctly and also to take
* any pending interrupts immediately.
*/
- s->is_jmp = DISAS_UPDATE;
+ gen_goto_tb(s, 0, s->pc);
return;
default:
unallocated_encoding(s);
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 82341ee709..dbf919cce3 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -8169,7 +8169,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int
insn)
* self-modifying code correctly and also to take
* any pending interrupts immediately.
*/
- gen_lookup_tb(s);
+ gen_goto_tb(s, 0, s->pc & ~1);
return;
default:
goto illegal_op;
@@ -10562,7 +10562,7 @@ static int disas_thumb2_insn(CPUARMState *env,
DisasContext *s, uint16_t insn_hw
* and also to take any pending interrupts
* immediately.
*/
- gen_lookup_tb(s);
+ gen_goto_tb(s, 0, s->pc & ~1);
break;
default:
goto illegal_op;
--
2.13.0
