target/arm/hvf: Factor hvf_handle_vmexit() out

Factor hvf_handle_vmexit() out of hvf_vcpu_exec().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target/arm/hvf/hvf.c

@@ -1984,10 +1984,33 @@ static int hvf_handle_exception(CPUState *cpu, hv_vcpu_exit_exception_t *excp)
     return ret;
 }
 
+static int hvf_handle_vmexit(CPUState *cpu, hv_vcpu_exit_t *exit)
+{
+    ARMCPU *arm_cpu = env_archcpu(cpu_env(cpu));
+    int ret = 0;
+
+    switch (exit->reason) {
+    case HV_EXIT_REASON_EXCEPTION:
+        hvf_sync_vtimer(cpu);
+        ret = hvf_handle_exception(cpu, &exit->exception);
+        break;
+    case HV_EXIT_REASON_VTIMER_ACTIVATED:
+        qemu_set_irq(arm_cpu->gt_timer_outputs[GTIMER_VIRT], 1);
+        cpu->accel->vtimer_masked = true;
+        break;
+    case HV_EXIT_REASON_CANCELED:
+        /* we got kicked, no exit to process */
+        break;
+    default:
+        g_assert_not_reached();
+    }
+
+    return ret;
+}
+
 int hvf_arch_vcpu_exec(CPUState *cpu)
 {
-    ARMCPU *arm_cpu = ARM_CPU(cpu);
-    hv_vcpu_exit_t *hvf_exit = cpu->accel->exit;
+    int ret;
     hv_return_t r;
 
     if (!(cpu->singlestep_enabled & SSTEP_NOIRQ) &&
@@ -2006,6 +2029,7 @@ int hvf_arch_vcpu_exec(CPUState *cpu)
     bql_lock();
     switch (r) {
     case HV_SUCCESS:
+        ret = hvf_handle_vmexit(cpu, cpu->accel->exit);
         break;
     case HV_ILLEGAL_GUEST_STATE:
         trace_hvf_illegal_guest_state();
@@ -2014,27 +2038,7 @@ int hvf_arch_vcpu_exec(CPUState *cpu)
         g_assert_not_reached();
     }
 
-    /* handle VMEXIT */
-    uint64_t exit_reason = hvf_exit->reason;
-
-    switch (exit_reason) {
-    case HV_EXIT_REASON_EXCEPTION:
-        /* This is the main one, handle below. */
-        break;
-    case HV_EXIT_REASON_VTIMER_ACTIVATED:
-        qemu_set_irq(arm_cpu->gt_timer_outputs[GTIMER_VIRT], 1);
-        cpu->accel->vtimer_masked = true;
-        return 0;
-    case HV_EXIT_REASON_CANCELED:
-        /* we got kicked, no exit to process */
-        return 0;
-    default:
-        g_assert_not_reached();
-    }
-
-    hvf_sync_vtimer(cpu);
-
-    return hvf_handle_exception(cpu, &hvf_exit->exception);
+    return ret;
 }
 
 static const VMStateDescription vmstate_hvf_vtimer = {