X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2F8254.c;h=ffae665ef7a029c9aef614919e02b1f339ef7c26;hb=22c7f98617f63f097b08e8159383c23aa6d9ad33;hp=5a78e937734cf82c0133f849f833f4197f436c91;hpb=72420d58d18ec71d4777d029daaf0c6a1c820b32;p=palacios.git diff --git a/palacios/src/devices/8254.c b/palacios/src/devices/8254.c index 5a78e93..ffae665 100644 --- 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);