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 #include "sysemu/cpu-timers.h"
  16
  17 #include "ptimer-test.h"
  18
  19 const VMStateInfo vmstate_info_uint8;
  20 const VMStateInfo vmstate_info_uint32;
  21 const VMStateInfo vmstate_info_uint64;
  22 const VMStateInfo vmstate_info_int64;
  23 const VMStateInfo vmstate_info_timer;
  24
  25 struct QEMUBH {
  26     QEMUBHFunc *cb;
  27     void *opaque;
  28 };
  29
  30 QEMUTimerListGroup main_loop_tlg;
  31
  32 int64_t ptimer_test_time_ns;
  33
  34 /* under qtest_enabled(), will not artificially limit period - see hw/core/ptimer.c. */
  35 int use_icount;
  36 bool qtest_allowed;
  37
  38 void timer_init_full(QEMUTimer *ts,
  39                      QEMUTimerListGroup *timer_list_group, QEMUClockType type,
  40                      int scale, int attributes,
  41                      QEMUTimerCB *cb, void *opaque)
  42 {
  43     if (!timer_list_group) {
  44         timer_list_group = &main_loop_tlg;
  45     }
  46     ts->timer_list = timer_list_group->tl[type];
  47     ts->cb = cb;
  48     ts->opaque = opaque;
  49     ts->scale = scale;
  50     ts->attributes = attributes;
  51     ts->expire_time = -1;
  52 }
  53
  54 void timer_mod(QEMUTimer *ts, int64_t expire_time)
  55 {
  56     QEMUTimerList *timer_list = ts->timer_list;
  57     QEMUTimer *t = &timer_list->active_timers;
  58
  59     while (t->next != NULL) {
  60         if (t->next == ts) {
  61             break;
  62         }
  63
  64         t = t->next;
  65     }
  66
  67     ts->expire_time = MAX(expire_time * ts->scale, 0);
  68     ts->next = NULL;
  69     t->next = ts;
  70 }
  71
  72 void timer_del(QEMUTimer *ts)
  73 {
  74     QEMUTimerList *timer_list = ts->timer_list;
  75     QEMUTimer *t = &timer_list->active_timers;
  76
  77     while (t->next != NULL) {
  78         if (t->next == ts) {
  79             t->next = ts->next;
  80             return;
  81         }
  82
  83         t = t->next;
  84     }
  85 }
  86
  87 int64_t qemu_clock_get_ns(QEMUClockType type)
  88 {
  89     return ptimer_test_time_ns;
  90 }
  91
  92 int64_t qemu_clock_deadline_ns_all(QEMUClockType type, int attr_mask)
  93 {
  94     QEMUTimerList *timer_list = main_loop_tlg.tl[QEMU_CLOCK_VIRTUAL];
  95     QEMUTimer *t = timer_list->active_timers.next;
  96     int64_t deadline = -1;
  97
  98     while (t != NULL) {
  99         if (deadline == -1) {
 100             deadline = t->expire_time;
 101         } else {
 102             deadline = MIN(deadline, t->expire_time);
 103         }
 104
 105         t = t->next;
 106     }
 107
 108     return deadline;
 109 }
 110
 111 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
 112 {
 113     QEMUBH *bh = g_new(QEMUBH, 1);
 114
 115     bh->cb = cb;
 116     bh->opaque = opaque;
 117
 118     return bh;
 119 }
 120
 121 void qemu_bh_delete(QEMUBH *bh)
 122 {
 123     g_free(bh);
 124 }
 125
 126 void replay_bh_schedule_event(QEMUBH *bh)
 127 {
 128     bh->cb(bh->opaque);
 129 }