LXR qemu/tests/ptimer-test-stubs.c

   1/*
   2 * Stubs for the ptimer-test
   3 *
   4 * Copyright (c) 2016 Dmitry Osipenko <digetx@gmail.com>
   5 *
   6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7 * See the COPYING file in the top-level directory.
   8 *
   9 */
  10
  11#include "qemu/osdep.h"
  12#include "qemu/main-loop.h"
  13#include "sysemu/replay.h"
  14#include "migration/vmstate.h"
  15
  16#include "ptimer-test.h"
  17
  18const VMStateInfo vmstate_info_uint8;
  19const VMStateInfo vmstate_info_uint32;
  20const VMStateInfo vmstate_info_uint64;
  21const VMStateInfo vmstate_info_int64;
  22const VMStateInfo vmstate_info_timer;
  23
  24struct QEMUBH {
  25    QEMUBHFunc *cb;
  26    void *opaque;
  27};
  28
  29QEMUTimerListGroup main_loop_tlg;
  30
  31int64_t ptimer_test_time_ns;
  32
  33/* Do not artificially limit period - see hw/core/ptimer.c.  */
  34int use_icount = 1;
  35bool qtest_allowed;
  36
  37void timer_init_tl(QEMUTimer *ts,
  38                   QEMUTimerList *timer_list, int scale,
  39                   QEMUTimerCB *cb, void *opaque)
  40{
  41    ts->timer_list = timer_list;
  42    ts->cb = cb;
  43    ts->opaque = opaque;
  44    ts->scale = scale;
  45    ts->expire_time = -1;
  46}
  47
  48void timer_mod(QEMUTimer *ts, int64_t expire_time)
  49{
  50    QEMUTimerList *timer_list = ts->timer_list;
  51    QEMUTimer *t = &timer_list->active_timers;
  52
  53    while (t->next != NULL) {
  54        if (t->next == ts) {
  55            break;
  56        }
  57
  58        t = t->next;
  59    }
  60
  61    ts->expire_time = MAX(expire_time * ts->scale, 0);
  62    ts->next = NULL;
  63    t->next = ts;
  64}
  65
  66void timer_del(QEMUTimer *ts)
  67{
  68    QEMUTimerList *timer_list = ts->timer_list;
  69    QEMUTimer *t = &timer_list->active_timers;
  70
  71    while (t->next != NULL) {
  72        if (t->next == ts) {
  73            t->next = ts->next;
  74            return;
  75        }
  76
  77        t = t->next;
  78    }
  79}
  80
  81int64_t qemu_clock_get_ns(QEMUClockType type)
  82{
  83    return ptimer_test_time_ns;
  84}
  85
  86int64_t qemu_clock_deadline_ns_all(QEMUClockType type)
  87{
  88    QEMUTimerList *timer_list = main_loop_tlg.tl[type];
  89    QEMUTimer *t = timer_list->active_timers.next;
  90    int64_t deadline = -1;
  91
  92    while (t != NULL) {
  93        if (deadline == -1) {
  94            deadline = t->expire_time;
  95        } else {
  96            deadline = MIN(deadline, t->expire_time);
  97        }
  98
  99        t = t->next;
 100    }
 101
 102    return deadline;
 103}
 104
 105QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
 106{
 107    QEMUBH *bh = g_new(QEMUBH, 1);
 108
 109    bh->cb = cb;
 110    bh->opaque = opaque;
 111
 112    return bh;
 113}
 114
 115void qemu_bh_delete(QEMUBH *bh)
 116{
 117    g_free(bh);
 118}
 119
 120void replay_bh_schedule_event(QEMUBH *bh)
 121{
 122    bh->cb(bh->opaque);
 123}
 124