Add support to store less than the full packet in an etherdump

[gem5.git] / dev / baddev.cc

diff --git a/dev/baddev.cc b/dev/baddev.cc
index d91069baec1075086b0a39a4008d2b493c94cba9..7c563e80a169871507c9e393fedc16872b8db9da 100644 (file)
--- a/dev/baddev.cc
+++ b/dev/baddev.cc
@@ -1,4 +1,30 @@
-/* $Id$ */
+/*
+ * Copyright (c) 2004 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 /* @file
  * BadDevice implemenation
@@ -10,20 +36,28 @@
 
 #include "base/trace.hh"
 #include "cpu/exec_context.hh"
-#include "dev/scsi_ctrl.hh"
 #include "dev/baddev.hh"
-#include "dev/tsunamireg.h"
-#include "dev/tsunami.hh"
+#include "mem/bus/bus.hh"
+#include "mem/bus/pio_interface.hh"
+#include "mem/bus/pio_interface_impl.hh"
 #include "mem/functional_mem/memory_control.hh"
 #include "sim/builder.hh"
 #include "sim/system.hh"
 
 using namespace std;
 
-BadDevice::BadDevice(const string &name,
-                       Addr addr, Addr mask, MemoryController *mmu, const string &devicename)
-    : MmapDevice(name, addr, mask, mmu), devname(devicename)
+BadDevice::BadDevice(const string &name, Addr a, MemoryController *mmu,
+                     HierParams *hier, Bus *bus, const string &devicename)
+    : PioDevice(name), addr(a), devname(devicename)
 {
+    mmu->add_child(this, Range<Addr>(addr, addr + size));
+
+    if (bus) {
+        pioInterface = newPioInterface(name, hier, bus, this,
+                                      &BadDevice::cacheAccess);
+        pioInterface->addAddrRange(addr, addr + size - 1);
+    }
+
 }
 
 Fault
@@ -41,12 +75,18 @@ BadDevice::write(MemReqPtr &req, const uint8_t *data)
     return No_Fault;
 }
 
+Tick
+BadDevice::cacheAccess(MemReqPtr &req)
+{
+    return curTick;
+}
 
 BEGIN_DECLARE_SIM_OBJECT_PARAMS(BadDevice)
 
     SimObjectParam<MemoryController *> mmu;
     Param<Addr> addr;
-    Param<Addr> mask;
+    SimObjectParam<HierParams *> hier;
+    SimObjectParam<Bus*> io_bus;
     Param<string> devicename;
 
 END_DECLARE_SIM_OBJECT_PARAMS(BadDevice)
@@ -55,14 +95,16 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(BadDevice)
 
     INIT_PARAM(mmu, "Memory Controller"),
     INIT_PARAM(addr, "Device Address"),
-    INIT_PARAM(mask, "Address Mask"),
+    INIT_PARAM_DFLT(hier, "Hierarchy global variables", &defaultHierParams),
+    INIT_PARAM_DFLT(io_bus, "The IO Bus to attach to", NULL),
     INIT_PARAM(devicename, "Name of device to error on")
 
 END_INIT_SIM_OBJECT_PARAMS(BadDevice)
 
 CREATE_SIM_OBJECT(BadDevice)
 {
-    return new BadDevice(getInstanceName(), addr, mask, mmu, devicename);
+    return new BadDevice(getInstanceName(), addr, mmu, hier, io_bus,
+                         devicename);
 }
 
 REGISTER_SIM_OBJECT("BadDevice", BadDevice)