qemu

FORK: QEMU emulator
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ptimer-test-stubs.c (2679B)

      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 /* under qtest_enabled(), will not artificially limit period - see hw/core/ptimer.c. */
     34 int use_icount;
     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, int attr_mask)
     92 {
     93     QEMUTimerList *timer_list = main_loop_tlg.tl[QEMU_CLOCK_VIRTUAL];
     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_full(QEMUBHFunc *cb, void *opaque, const char *name)
    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 }