tests/ptimer-test-stubs.c

   1 /*
   2  * Stubs for the ptimer-test
   3  *
   4  * Copyright (c) 2016 Dmitry Osipenko <[email protected]>
   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_full(QEMUTimer *ts,
  38                      QEMUTimerListGroup *timer_list_group, QEMUClockType type,
  39                      int scale, int attributes,
  40                      QEMUTimerCB *cb, void *opaque)
  41 {
  42     if (!timer_list_group) {
  43         timer_list_group = &main_loop_tlg;
  44     }
  45     ts->timer_list = timer_list_group->tl[type];
  46     ts->cb = cb;
  47     ts->opaque = opaque;
  48     ts->scale = scale;
  49     ts->attributes = attributes;
  50     ts->expire_time = -1;
  51 }
  52
  53 void timer_mod(QEMUTimer *ts, int64_t expire_time)
  54 {
  55     QEMUTimerList *timer_list = ts->timer_list;
  56     QEMUTimer *t = &timer_list->active_timers;
  57
  58     while (t->next != NULL) {
  59         if (t->next == ts) {
  60             break;
  61         }
  62
  63         t = t->next;
  64     }
  65
  66     ts->expire_time = MAX(expire_time * ts->scale, 0);
  67     ts->next = NULL;
  68     t->next = ts;
  69 }
  70
  71 void timer_del(QEMUTimer *ts)
  72 {
  73     QEMUTimerList *timer_list = ts->timer_list;
  74     QEMUTimer *t = &timer_list->active_timers;
  75
  76     while (t->next != NULL) {
  77         if (t->next == ts) {
  78             t->next = ts->next;
  79             return;
  80         }
  81
  82         t = t->next;
  83     }
  84 }
  85
  86 int64_t qemu_clock_get_ns(QEMUClockType type)
  87 {
  88     return ptimer_test_time_ns;
  89 }
  90
  91 int64_t qemu_clock_deadline_ns_all(QEMUClockType type)
  92 {
  93     QEMUTimerList *timer_list = main_loop_tlg.tl[type];
  94     QEMUTimer *t = timer_list->active_timers.next;
  95     int64_t deadline = -1;
  96
  97     while (t != NULL) {
  98         if (deadline == -1) {
  99             deadline = t->expire_time;
 100         } else {
 101             deadline = MIN(deadline, t->expire_time);
 102         }
 103
 104         t = t->next;
 105     }
 106
 107     return deadline;
 108 }
 109
 110 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
 111 {
 112     QEMUBH *bh = g_new(QEMUBH, 1);
 113
 114     bh->cb = cb;
 115     bh->opaque = opaque;
 116
 117     return bh;
 118 }
 119
 120 void qemu_bh_delete(QEMUBH *bh)
 121 {
 122     g_free(bh);
 123 }
 124
 125 void replay_bh_schedule_event(QEMUBH *bh)
 126 {
 127     bh->cb(bh->opaque);
 128 }