src/kern/freebsd/events.cc

   1 /*
   2  * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
   3  * All rights reserved.
   4  *
   5  * This software was developed by the University of Cambridge Computer
   6  * Laboratory as part of the CTSRD Project, with support from the UK Higher
   7  * Education Innovation Fund (HEIF).
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions are
  11  * met: redistributions of source code must retain the above copyright
  12  * notice, this list of conditions and the following disclaimer;
  13  * redistributions in binary form must reproduce the above copyright
  14  * notice, this list of conditions and the following disclaimer in the
  15  * documentation and/or other materials provided with the distribution;
  16  * neither the name of the copyright holders nor the names of its
  17  * contributors may be used to endorse or promote products derived from
  18  * this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include "kern/freebsd/events.hh"
  34
  35 #include <sstream>
  36
  37 #include "arch/utility.hh"
  38 #include "base/trace.hh"
  39 #include "cpu/thread_context.hh"
  40 #include "debug/DebugPrintf.hh"
  41 #include "kern/system_events.hh"
  42 #include "sim/arguments.hh"
  43 #include "sim/pseudo_inst.hh"
  44 #include "sim/system.hh"
  45
  46 namespace FreeBSD {
  47
  48 void
  49 UDelayEvent::process(ThreadContext *tc)
  50 {
  51     int arg_num;
  52
  53     arg_num = 0;
  54
  55     // Get the time in native size
  56     uint64_t time = TheISA::getArgument(tc, arg_num,  (uint16_t)-1, false);
  57
  58     //DPRINTFN("DELAY(%d)\n", time);
  59
  60     // convert parameter to ns
  61     if (argDivToNs)
  62         time /= argDivToNs;
  63
  64     time *= argMultToNs;
  65
  66     SkipFuncEvent::process(tc);
  67
  68     PseudoInst::quiesceNs(tc, time);
  69 }
  70
  71 } // namespace FreeBSD