dev/baddev.cc

   1 /*
   2  * Copyright (c) 2004 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /* @file
  30  * BadDevice implemenation
  31  */
  32
  33 #include <deque>
  34 #include <string>
  35 #include <vector>
  36
  37 #include "base/trace.hh"
  38 #include "cpu/exec_context.hh"
  39 #include "dev/scsi_ctrl.hh"
  40 #include "dev/baddev.hh"
  41 #include "dev/tsunamireg.h"
  42 #include "dev/tsunami.hh"
  43 #include "mem/functional_mem/memory_control.hh"
  44 #include "sim/builder.hh"
  45 #include "sim/system.hh"
  46
  47 using namespace std;
  48
  49 BadDevice::BadDevice(const string &name, Addr a, MemoryController *mmu,
  50                      const string &devicename)
  51     : FunctionalMemory(name), addr(a), devname(devicename)
  52 {
  53     mmu->add_child(this, Range<Addr>(addr, addr + size));
  54 }
  55
  56 Fault
  57 BadDevice::read(MemReqPtr &req, uint8_t *data)
  58 {
  59
  60     panic("Device %s not imlpmented\n", devname);
  61     return No_Fault;
  62 }
  63
  64 Fault
  65 BadDevice::write(MemReqPtr &req, const uint8_t *data)
  66 {
  67     panic("Device %s not imlpmented\n", devname);
  68     return No_Fault;
  69 }
  70
  71
  72 BEGIN_DECLARE_SIM_OBJECT_PARAMS(BadDevice)
  73
  74     SimObjectParam<MemoryController *> mmu;
  75     Param<Addr> addr;
  76     Param<string> devicename;
  77
  78 END_DECLARE_SIM_OBJECT_PARAMS(BadDevice)
  79
  80 BEGIN_INIT_SIM_OBJECT_PARAMS(BadDevice)
  81
  82     INIT_PARAM(mmu, "Memory Controller"),
  83     INIT_PARAM(addr, "Device Address"),
  84     INIT_PARAM(devicename, "Name of device to error on")
  85
  86 END_INIT_SIM_OBJECT_PARAMS(BadDevice)
  87
  88 CREATE_SIM_OBJECT(BadDevice)
  89 {
  90     return new BadDevice(getInstanceName(), addr, mmu, devicename);
  91 }
  92
  93 REGISTER_SIM_OBJECT("BadDevice", BadDevice)