qemu-tool-time.c

   1 /*
   2  * Copyright (c) 2010-2011 IBM
   3  *
   4  * Authors:
   5  *         Chunqiang Tang <ctang@us.ibm.com>
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2.
   8  * See the COPYING file in the top-level directory.
   9  */
  10
  11 /*=============================================================================
  12  *  A short description: this module implements the qemu-tool functions that
  13  *  are related to time. In the simulation mode (see block/sim.c), these
  14  *  functions are implemented differently in qemu-test.c because they have to
  15  *  work with the simulation engine block/sim.c
  16  *============================================================================*/
  17
  18 #include "qemu/osdep.h"
  19 #include "qemu/timer.h"
  20 #include "sysemu.h"
  21
  22 struct QEMUBH {
  23     QEMUBHFunc *cb;
  24     void *opaque;
  25 };
  26
  27 #if 1
  28 int64_t qemu_get_clock (QEMUClock * clock)
  29 {
  30     qemu_timeval tv;
  31     qemu_gettimeofday (&tv);
  32     return (tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000)) / 1000000;
  33 }
  34 #endif
  35
  36 QEMUBH *qemu_bh_new (QEMUBHFunc * cb, void *opaque)
  37 {
  38     QEMUBH *bh;
  39
  40     bh = g_malloc(sizeof(*bh));
  41     bh->cb = cb;
  42     bh->opaque = opaque;
  43
  44     return bh;
  45 }
  46
  47 int qemu_bh_poll (void)
  48 {
  49     return 0;
  50 }
  51
  52 void qemu_bh_schedule (QEMUBH * bh)
  53 {
  54     bh->cb (bh->opaque);
  55 }
  56
  57 void qemu_bh_cancel (QEMUBH * bh)
  58 {
  59 }
  60
  61 void qemu_bh_delete (QEMUBH * bh)
  62 {
  63     g_free(bh);
  64 }
  65
  66 void timer_mod(QEMUTimer * ts, int64_t expire_time)
  67 {
  68     fprintf (stderr, "timer_mod() should not be invoked in qemu-tool\n");
  69     exit (1);
  70 }
  71
  72 QEMUTimer *qemu_new_timer (QEMUClock * clock, QEMUTimerCB * cb, void *opaque)
  73 {
  74     fprintf (stderr, "qemu_new_timer() should not be invoked in qemu-tool\n");
  75     exit (1);
  76     return NULL;
  77 }
  78
  79 void timer_free(QEMUTimer * ts)
  80 {
  81     fprintf (stderr, "timer_free() should not be invoked in qemu-tool\n");
  82     exit (1);
  83 }
  84
  85 void timer_del(QEMUTimer * ts)
  86 {
  87     fprintf (stderr, "timer_del() should not be invoked in qemu-tool\n");
  88     exit (1);
  89 }