[Qemu-devel] [PATCH] fix disabling interrupts in sun4u

[Artyom Tarasenko]

clear interrupt request if the interrupt priority < CPU pil
clear hardware interrupt request if interrupts are disabled

Signed-off-by: Artyom Tarasenko <atar4q...@gmail.com>
---
 hw/sun4u.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/hw/sun4u.c b/hw/sun4u.c
index d7dcaf0..7f95aeb 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -255,7 +255,7 @@ void cpu_check_irqs(CPUState *env)
         pil |= 1 << 14;
     }
 
-    if (!pil) {
+    if (pil < (2 << env->psrpil)){
         if (env->interrupt_request & CPU_INTERRUPT_HARD) {
             CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n",
                            env->interrupt_index);
@@ -287,10 +287,12 @@ void cpu_check_irqs(CPUState *env)
                 break;
             }
         }
-    } else {
+    } else if (env->interrupt_request & CPU_INTERRUPT_HARD) {
         CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x 
"
                        "current interrupt %x\n",
                        pil, env->pil_in, env->softint, env->interrupt_index);
+        env->interrupt_index = 0;
+        cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
     }
 }
 
-- 
1.7.3.4