target/avr: Fix interrupt execution

[PATCH] target/avr: Fix interrupt execution

Arkadiy posted 1 patch 3 years, 1 month ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20210312164754.18437-1-arkaisp2021@gmail.com

Maintainers: Sarah Harris <S.E.Harris@kent.ac.uk>, Michael Rolnik <mrolnik@gmail.com>

target/avr/helper.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

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[PATCH] target/avr: Fix interrupt execution

Posted by Arkadiy 3 years, 1 month ago

From: NDNF <arkaisp2021@gmail.com>

Only one interrupt is in progress at the moment.It is necessary to set to
reset interrupt_request only after all interrupts have been executed

Signed-off-by: Arkasha <ivanovrkasha@gmail.com>
---
 target/avr/helper.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/target/avr/helper.c b/target/avr/helper.c
index 65880b9928..9f20cc198e 100644
--- a/target/avr/helper.c
+++ b/target/avr/helper.c
@@ -49,7 +49,9 @@ bool avr_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
             cc->tcg_ops->do_interrupt(cs);
 
             env->intsrc &= env->intsrc - 1; /* clear the interrupt */
-            cs->interrupt_request &= ~CPU_INTERRUPT_HARD;
+            if (!env->intsrc) {
+                cs->interrupt_request &= ~CPU_INTERRUPT_HARD;
+            }
 
             ret = true;
         }
-- 
2.17.1