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/timer.h"
  19 #include "sysemu.h"
  20
  21 struct QEMUBH {
  22     QEMUBHFunc *cb;
  23     void *opaque;
  24 };
  25
  26 #if 1
  27 int64_t qemu_get_clock (QEMUClock * clock)
  28 {
  29     qemu_timeval tv;
  30     qemu_gettimeofday (&tv);
  31     return (tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000)) / 1000000;
  32 }
  33 #endif
  34
  35 QEMUBH *qemu_bh_new (QEMUBHFunc * cb, void *opaque)
  36 {
  37     QEMUBH *bh;
  38
  39     bh = g_malloc(sizeof(*bh));
  40     bh->cb = cb;
  41     bh->opaque = opaque;
  42
  43     return bh;
  44 }
  45
  46 int qemu_bh_poll (void)
  47 {
  48     return 0;
  49 }
  50
  51 void qemu_bh_schedule (QEMUBH * bh)
  52 {
  53     bh->cb (bh->opaque);
  54 }
  55
  56 void qemu_bh_cancel (QEMUBH * bh)
  57 {
  58 }
  59
  60 void qemu_bh_delete (QEMUBH * bh)
  61 {
  62     g_free(bh);
  63 }
  64
  65 void timer_mod(QEMUTimer * ts, int64_t expire_time)
  66 {
  67     fprintf (stderr, "timer_mod() should not be invoked in qemu-tool\n");
  68     exit (1);
  69 }
  70
  71 QEMUTimer *qemu_new_timer (QEMUClock * clock, QEMUTimerCB * cb, void *opaque)
  72 {
  73     fprintf (stderr, "qemu_new_timer() should not be invoked in qemu-tool\n");
  74     exit (1);
  75     return NULL;
  76 }
  77
  78 void timer_free(QEMUTimer * ts)
  79 {
  80     fprintf (stderr, "timer_free() should not be invoked in qemu-tool\n");
  81     exit (1);
  82 }
  83
  84 void timer_del(QEMUTimer * ts)
  85 {
  86     fprintf (stderr, "timer_del() should not be invoked in qemu-tool\n");
  87     exit (1);
  88 }