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authorWentong Wu <wentong.wu@intel.com>2020-07-13 14:36:11 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-07-13 14:36:11 +0100
commitdcef727e5e45f679908c90a7ff3b816c5d61f602 (patch)
tree3e4e84d9b9a082142d6ba2e0b73ce49719736048 /hw/nios2
parent77b3f2af57a37b1c30174a911e03d6ff715ef4aa (diff)
hw/nios2: exit to main CPU loop only when unmasking interrupts
Only when guest code is unmasking interrupts, terminate the excution of translated code and exit to the main CPU loop to handle previous pended interrupts because of the interrupts mask by guest code. Signed-off-by: Wentong Wu <wentong.wu@intel.com> Message-id: 20200710233433.19729-4-wentong.wu@intel.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/nios2')
-rw-r--r--hw/nios2/cpu_pic.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/nios2/cpu_pic.c b/hw/nios2/cpu_pic.c
index 1c1989d56a..5ea7e52ab8 100644
--- a/hw/nios2/cpu_pic.c
+++ b/hw/nios2/cpu_pic.c
@@ -54,7 +54,8 @@ static void nios2_pic_cpu_handler(void *opaque, int irq, int level)
void nios2_check_interrupts(CPUNios2State *env)
{
- if (env->irq_pending) {
+ if (env->irq_pending &&
+ (env->regs[CR_STATUS] & CR_STATUS_PIE)) {
env->irq_pending = 0;
cpu_interrupt(env_cpu(env), CPU_INTERRUPT_HARD);
}