make EFER hook permanent

[palacios.git] / palacios / src / devices / 8254.c

diff --git a/palacios/src/devices/8254.c b/palacios/src/devices/8254.c
index 5a78e93..ffae665 100644 (file)
--- a/palacios/src/devices/8254.c
+++ b/palacios/src/devices/8254.c
@@ -89,6 +89,8 @@ struct pit {
 
     struct v3_timer * timer;
 
+    struct v3_vm_info * vm;
+
     struct channel ch_0;
     struct channel ch_1;
     struct channel ch_2;
@@ -297,10 +299,13 @@ static void pit_update_timer(struct guest_info * info, ullong_t cpu_cycles, ullo
        // update counter with remainder (mod reload)
        state->pit_counter = state->pit_reload - cpu_cycles;    
 
-       //PrintDebug("8254 PIT: Handling %d crystal tics\n", oscillations);
+       if (oscillations) {
+           PrintDebug("8254 PIT: Handling %d crystal tics\n", oscillations);
+       }
+
        if (handle_crystal_tics(state, &(state->ch_0), oscillations) == 1) {
            // raise interrupt
-           PrintDebug("8254 PIT: Injecting Timer interrupt to guest\n");
+           // PrintDebug("8254 PIT: Injecting Timer interrupt to guest\n");
            v3_raise_irq(info->vm_info, 0);
        }
 
@@ -642,9 +647,9 @@ static void init_channel(struct channel * ch) {
 
 
 
-static int pit_free(struct vm_device * dev) {
-    struct pit * state = (struct pit *)dev->private_data;
-    struct guest_info * info = &(dev->vm->cores[0]);
+static int pit_free(void * private_data) {
+    struct pit * state = (struct pit *)private_data;
+    struct guest_info * info = &(state->vm->cores[0]);
 
 
     if (state->timer) {
@@ -657,7 +662,7 @@ static int pit_free(struct vm_device * dev) {
 
 
 static struct v3_device_ops dev_ops = {
-    .free = pit_free,
+    .free = (int (*)(void *))pit_free,
 
 
 };
@@ -678,8 +683,10 @@ static int pit_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     ullong_t reload_val = (ullong_t)cpu_khz * 1000;
 
     pit_state = (struct pit *)V3_Malloc(sizeof(struct pit));
+
     V3_ASSERT(pit_state != NULL);
     pit_state->speaker = 0;
+    pit_state->vm = vm;
 
     dev = v3_add_device(vm, dev_id, &dev_ops, pit_state);