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
  33void timer_init_tl(QEMUTimer *ts,
  34                   QEMUTimerList *timer_list, int scale,
  35                   QEMUTimerCB *cb, void *opaque)
  36{
  37    ts->timer_list = timer_list;
  38    ts->cb = cb;
  39    ts->opaque = opaque;
  40    ts->scale = scale;
  41    ts->expire_time = -1;
  42}
  43
  44void timer_mod(QEMUTimer *ts, int64_t expire_time)
  45{
  46    QEMUTimerList *timer_list = ts->timer_list;
  47    QEMUTimer *t = &timer_list->active_timers;
  48
  49    while (t->next != NULL) {
  50        if (t->next == ts) {
  51            break;
  52        }
  53
  54        t = t->next;
  55    }
  56
  57    ts->expire_time = MAX(expire_time * ts->scale, 0);
  58    ts->next = NULL;
  59    t->next = ts;
  60}
  61
  62void timer_del(QEMUTimer *ts)
  63{
  64    QEMUTimerList *timer_list = ts->timer_list;
  65    QEMUTimer *t = &timer_list->active_timers;
  66
  67    while (t->next != NULL) {
  68        if (t->next == ts) {
  69            t->next = ts->next;
  70            return;
  71        }
  72
  73        t = t->next;
  74    }
  75}
  76
  77int64_t qemu_clock_get_ns(QEMUClockType type)
  78{
  79    return ptimer_test_time_ns;
  80}
  81
  82int64_t qemu_clock_deadline_ns_all(QEMUClockType type)
  83{
  84    QEMUTimerList *timer_list = main_loop_tlg.tl[type];
  85    QEMUTimer *t = timer_list->active_timers.next;
  86    int64_t deadline = -1;
  87
  88    while (t != NULL) {
  89        if (deadline == -1) {
  90            deadline = t->expire_time;
  91        } else {
  92            deadline = MIN(deadline, t->expire_time);
  93        }
  94
  95        t = t->next;
  96    }
  97
  98    return deadline;
  99}
 100
 101QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
 102{
 103    QEMUBH *bh = g_new(QEMUBH, 1);
 104
 105    bh->cb = cb;
 106    bh->opaque = opaque;
 107
 108    return bh;
 109}
 110
 111void replay_bh_schedule_event(QEMUBH *bh)
 112{
 113    bh->cb(bh->opaque);
 114}
 115