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 /* Do not artificially limit period - see hw/core/ptimer.c.  */
  34 int use_icount = 1;
  35 bool qtest_allowed;
  36
  37 void 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
  48 void 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
  66 void 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
  81 int64_t qemu_clock_get_ns(QEMUClockType type)
  82 {
  83     return ptimer_test_time_ns;
  84 }
  85
  86 int64_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
 105 QEMUBH *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
 115 void qemu_bh_delete(QEMUBH *bh)
 116 {
 117     g_free(bh);
 118 }
 119
 120 void replay_bh_schedule_event(QEMUBH *bh)
 121 {
 122     bh->cb(bh->opaque);
 123 }