Commit dcef727e authored Jul 13, 2020 by Wentong Wu Committed by Peter Maydell Jul 13, 2020

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>

parent 77b3f2af

hw/nios2/cpu_pic.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}