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
  18 const VMStateInfo vmstate_info_uint8;
  19 const VMStateInfo vmstate_info_uint32;
  20 const VMStateInfo vmstate_info_uint64;
  21 const VMStateInfo vmstate_info_int64;
  22 const VMStateInfo vmstate_info_timer;
  23
  24 struct QEMUBH {
  25     QEMUBHFunc *cb;
  26     void *opaque;
  27 };
  28
  29 QEMUTimerListGroup main_loop_tlg;
  30
  31 int64_t ptimer_test_time_ns;
  32
  33 void 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
  44 void 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
  62 void 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
  77 int64_t qemu_clock_get_ns(QEMUClockType type)
  78 {
  79     return ptimer_test_time_ns;
  80 }
  81
  82 int64_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
 101 QEMUBH *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
 111 void replay_bh_schedule_event(QEMUBH *bh)
 112 {
 113     bh->cb(bh->opaque);
 114 }