Delay slots are indivisible, therefore avoid scheduling an interrupt in
the delay slot. However exceptions are possible.
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Reviewed-by: Richard Henderson <r...@twiddle.net>
Signed-off-by: Aurelien Jarno <aurel...@aurel32.net>
---
target/sh4/helper.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/target/sh4/helper.c b/target/sh4/helper.c
index 5785d6d22a..28d93c2543 100644
--- a/target/sh4/helper.c
+++ b/target/sh4/helper.c
@@ -871,8 +871,16 @@ int cpu_sh4_is_cached(CPUSH4State * env, target_ulong addr)
bool superh_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
{
if (interrupt_request & CPU_INTERRUPT_HARD) {
- superh_cpu_do_interrupt(cs);
- return true;
+ SuperHCPU *cpu = SUPERH_CPU(cs);
+ CPUSH4State *env = &cpu->env;
+
+ /* Delay slots are indivisible, ignore interrupts */
+ if (env->flags & DELAY_SLOT_MASK) {
+ return false;
+ } else {
+ superh_cpu_do_interrupt(cs);
+ return true;
+ }
}
return false;
}
--
2.11.0
