qemu/tests/ptimer-test-stubs.c
Dmitry Osipenko 5b262bb697 tests: Add ptimer tests
Ptimer is a generic countdown timer helper that is used by many timer
device models as well as by the QEMU core. Add QTests for the ptimer.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Message-id: 1de89fe6e1ccaf6c8071ee3469e1a844df948359.1473252818.git.digetx@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-22 18:13:07 +01:00

108 lines
2.0 KiB
C

/*
* Stubs for the ptimer-test
*
* Author: Dmitry Osipenko <digetx@gmail.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#include "qemu/osdep.h"
#include "qemu/main-loop.h"
#include "sysemu/replay.h"
#include "ptimer-test.h"
struct QEMUBH {
QEMUBHFunc *cb;
void *opaque;
};
QEMUTimerListGroup main_loop_tlg;
int64_t ptimer_test_time_ns;
void timer_init_tl(QEMUTimer *ts,
QEMUTimerList *timer_list, int scale,
QEMUTimerCB *cb, void *opaque)
{
ts->timer_list = timer_list;
ts->cb = cb;
ts->opaque = opaque;
ts->scale = scale;
ts->expire_time = -1;
}
void timer_mod(QEMUTimer *ts, int64_t expire_time)
{
QEMUTimerList *timer_list = ts->timer_list;
QEMUTimer *t = &timer_list->active_timers;
while (t->next != NULL) {
if (t->next == ts) {
break;
}
t = t->next;
}
ts->expire_time = MAX(expire_time * ts->scale, 0);
ts->next = NULL;
t->next = ts;
}
void timer_del(QEMUTimer *ts)
{
QEMUTimerList *timer_list = ts->timer_list;
QEMUTimer *t = &timer_list->active_timers;
while (t->next != NULL) {
if (t->next == ts) {
t->next = ts->next;
return;
}
t = t->next;
}
}
int64_t qemu_clock_get_ns(QEMUClockType type)
{
return ptimer_test_time_ns;
}
int64_t qemu_clock_deadline_ns_all(QEMUClockType type)
{
QEMUTimerList *timer_list = main_loop_tlg.tl[type];
QEMUTimer *t = timer_list->active_timers.next;
int64_t deadline = -1;
while (t != NULL) {
if (deadline == -1) {
deadline = t->expire_time;
} else {
deadline = MIN(deadline, t->expire_time);
}
t = t->next;
}
return deadline;
}
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
{
QEMUBH *bh = g_new(QEMUBH, 1);
bh->cb = cb;
bh->opaque = opaque;
return bh;
}
void replay_bh_schedule_event(QEMUBH *bh)
{
bh->cb(bh->opaque);
}