1 files changed, 26 insertions, 21 deletions

diff --git a/hw/xtensa/pic_cpu.c b/hw/xtensa/pic_cpu.c
index 0e812d7f06..a8939f5e58 100644
--- a/hw/xtensa/pic_cpu.c
+++ b/hw/xtensa/pic_cpu.c
@@ -68,36 +68,37 @@ static void xtensa_set_irq(void *opaque, int irq, int active)
         uint32_t irq_bit = 1 << irq;
 
         if (active) {
-            env->sregs[INTSET] |= irq_bit;
+            atomic_or(&env->sregs[INTSET], irq_bit);
         } else if (env->config->interrupt[irq].inttype == INTTYPE_LEVEL) {
-            env->sregs[INTSET] &= ~irq_bit;
+            atomic_and(&env->sregs[INTSET], ~irq_bit);
         }
 
         check_interrupts(env);
     }
 }
 
-void xtensa_timer_irq(CPUXtensaState *env, uint32_t id, uint32_t active)
-{
-    qemu_set_irq(env->irq_inputs[env->config->timerint[id]], active);
-}
-
 static void xtensa_ccompare_cb(void *opaque)
 {
     XtensaCcompareTimer *ccompare = opaque;
     CPUXtensaState *env = ccompare->env;
     unsigned i = ccompare - env->ccompare;
 
-    xtensa_timer_irq(env, i, 1);
+    qemu_set_irq(env->irq_inputs[env->config->timerint[i]], 1);
+}
+
+static void xtensa_set_runstall(void *opaque, int irq, int active)
+{
+    CPUXtensaState *env = opaque;
+    xtensa_runstall(env, active);
 }
 
 void xtensa_irq_init(CPUXtensaState *env)
 {
-    env->irq_inputs = (void **)qemu_allocate_irqs(
-            xtensa_set_irq, env, env->config->ninterrupt);
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT)) {
-        unsigned i;
+    unsigned i;
 
+    env->irq_inputs = qemu_allocate_irqs(xtensa_set_irq, env,
+                                         env->config->ninterrupt);
+    if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT)) {
         env->time_base = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         env->ccount_base = env->sregs[CCOUNT];
         for (i = 0; i < env->config->nccompare; ++i) {
@@ -106,16 +107,20 @@ void xtensa_irq_init(CPUXtensaState *env)
                     xtensa_ccompare_cb, env->ccompare + i);
         }
     }
+    for (i = 0; i < env->config->nextint; ++i) {
+        unsigned irq = env->config->extint[i];
+
+        env->ext_irq_inputs[i] = env->irq_inputs[irq];
+    }
+    env->runstall_irq = qemu_allocate_irq(xtensa_set_runstall, env, 0);
 }
 
-void *xtensa_get_extint(CPUXtensaState *env, unsigned extint)
+qemu_irq *xtensa_get_extints(CPUXtensaState *env)
 {
-    if (extint < env->config->nextint) {
-        unsigned irq = env->config->extint[extint];
-        return env->irq_inputs[irq];
-    } else {
-        qemu_log("%s: trying to acquire invalid external interrupt %d\n",
-                __func__, extint);
-        return NULL;
-    }
+    return env->ext_irq_inputs;
+}
+
+qemu_irq xtensa_get_runstall(CPUXtensaState *env)
+{
+    return env->runstall_irq;
 }