void arch_init_events(void)
{
debug_port = bind_virq(VIRQ_DEBUG, (evtchn_handler_t)virq_debug, 0);
if(debug_port == -1)
BUG();
unmask_evtchn(debug_port);
}
static int xenoprof_setup(void)
{
int ret;
if ( (ret = map_xenoprof_buffer(MAX_XENOPROF_SAMPLES)) )
return ret;
if ( (ret = bind_virq()) ) {
release_buffer_array(xenoprof_buf, nbuf);
return ret;
}
if (xenoprof_is_primary) {
/* Define dom0 as an active domain if not done yet */
if (!active_defined) {
domid_t domid;
ret = HYPERVISOR_xenoprof_op(
XENOPROF_reset_active_list, NULL);
if (ret)
goto err;
domid = 0;
ret = HYPERVISOR_xenoprof_op(
XENOPROF_set_active, &domid);
if (ret)
goto err;
active_defined = 1;
}
if (oprofile_backtrace_depth > 0) {
ret = HYPERVISOR_xenoprof_op(XENOPROF_set_backtrace,
&oprofile_backtrace_depth);
if (ret)
oprofile_backtrace_depth = 0;
}
ret = HYPERVISOR_xenoprof_op(XENOPROF_reserve_counters, NULL);
if (ret)
goto err;
xenoprof_arch_counter();
ret = HYPERVISOR_xenoprof_op(XENOPROF_setup_events, NULL);
if (ret)
goto err;
}
ret = HYPERVISOR_xenoprof_op(XENOPROF_enable_virq, NULL);
if (ret)
goto err;
xenoprof_enabled = 1;
return 0;
err:
unbind_virq();
release_buffer_array(xenoprof_buf, nbuf);
return ret;
}
static int xenoprof_setup(void)
{
int ret;
int i;
ret = bind_virq();
if (ret)
return ret;
if (is_primary) {
struct xenoprof_counter counter;
/* Define dom0 as an active domain if not done yet */
if (!active_defined) {
domid_t domid;
ret = HYPERVISOR_xenoprof_op(XENOPROF_reset_active_list, NULL);
if (ret)
goto err;
domid = 0;
ret = HYPERVISOR_xenoprof_op(XENOPROF_set_active, &domid);
if (ret)
goto err;
active_defined = 1;
}
ret = HYPERVISOR_xenoprof_op(XENOPROF_reserve_counters, NULL);
if (ret)
goto err;
for (i=0; i<num_events; i++) {
counter.ind = i;
counter.count = (uint64_t)counter_config[i].count;
counter.enabled = (uint32_t)counter_config[i].enabled;
counter.event = (uint32_t)counter_config[i].event;
counter.kernel = (uint32_t)counter_config[i].kernel;
counter.user = (uint32_t)counter_config[i].user;
counter.unit_mask = (uint64_t)counter_config[i].unit_mask;
HYPERVISOR_xenoprof_op(XENOPROF_counter,
&counter);
}
ret = HYPERVISOR_xenoprof_op(XENOPROF_setup_events, NULL);
if (ret)
goto err;
}
ret = HYPERVISOR_xenoprof_op(XENOPROF_enable_virq, NULL);
if (ret)
goto err;
xenoprof_enabled = 1;
return 0;
err:
unbind_virq();
return ret;
}
evtchn_port_or_error_t xc_evtchn_bind_virq(int xce_handle, unsigned int virq)
{
evtchn_port_t port;
int i;
assert(get_current() == main_thread);
i = port_alloc(xce_handle);
if (i == -1)
return -1;
printf("xc_evtchn_bind_virq(%d)", virq);
port = bind_virq(virq, evtchn_handler, (void*)(intptr_t)xce_handle);
if (port < 0) {
errno = -port;
return -1;
}
files[xce_handle].evtchn.ports[i].bound = 1;
files[xce_handle].evtchn.ports[i].port = port;
unmask_evtchn(port);
return port;
}
void time_init(void)
{
printk("Initialising timer interface\n");
bind_virq(VIRQ_TIMER, &timer_handler);
bind_virq(VIRQ_DOM_TIMER, &dom_timer_handler);
}