Get rid of the xc from the alphaAccess/alphaConsole backdoor device.

[gem5.git] / dev / baddev.cc

diff --git a/dev/baddev.cc b/dev/baddev.cc
index d2f78ef87deca048b766df99486b72b71787b809..52c538707c33b396a7d5e98553a430703a099118 100644 (file)
--- a/dev/baddev.cc
+++ b/dev/baddev.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004 The Regents of The University of Michigan
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -26,7 +26,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-/* @file
+/** @file
  * BadDevice implemenation
  */
 
@@ -36,21 +36,29 @@
 
 #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/functional_mem/memory_control.hh"
+#include "dev/platform.hh"
+#include "mem/bus/bus.hh"
+#include "mem/bus/pio_interface.hh"
+#include "mem/bus/pio_interface_impl.hh"
+#include "mem/functional/memory_control.hh"
 #include "sim/builder.hh"
 #include "sim/system.hh"
 
 using namespace std;
 
 BadDevice::BadDevice(const string &name, Addr a, MemoryController *mmu,
-                     const string &devicename)
-    : FunctionalMemory(name), addr(a), devname(devicename)
+                     HierParams *hier, Bus *pio_bus, const string &devicename)
+    : PioDevice(name, NULL), addr(a), devname(devicename)
 {
-    mmu->add_child(this, Range<Addr>(addr, addr + size));
+    mmu->add_child(this, RangeSize(addr, size));
+
+    if (pio_bus) {
+        pioInterface = newPioInterface(name, hier, pio_bus, this,
+                                      &BadDevice::cacheAccess);
+        pioInterface->addAddrRange(RangeSize(addr, size));
+    }
+
 }
 
 Fault
@@ -68,26 +76,40 @@ 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<Platform *> platform;
     SimObjectParam<MemoryController *> mmu;
     Param<Addr> addr;
+    SimObjectParam<HierParams *> hier;
+    SimObjectParam<Bus*> pio_bus;
+    Param<Tick> pio_latency;
     Param<string> devicename;
 
 END_DECLARE_SIM_OBJECT_PARAMS(BadDevice)
 
 BEGIN_INIT_SIM_OBJECT_PARAMS(BadDevice)
 
+    INIT_PARAM(platform, "Platform"),
     INIT_PARAM(mmu, "Memory Controller"),
     INIT_PARAM(addr, "Device Address"),
+    INIT_PARAM_DFLT(hier, "Hierarchy global variables", &defaultHierParams),
+    INIT_PARAM_DFLT(pio_bus, "The IO Bus to attach to", NULL),
+    INIT_PARAM_DFLT(pio_latency, "Programmed IO latency", 1000),
     INIT_PARAM(devicename, "Name of device to error on")
 
 END_INIT_SIM_OBJECT_PARAMS(BadDevice)
 
 CREATE_SIM_OBJECT(BadDevice)
 {
-    return new BadDevice(getInstanceName(), addr, mmu, devicename);
+    return new BadDevice(getInstanceName(), addr, mmu, hier, pio_bus,
+                         devicename);
 }
 
 REGISTER_SIM_OBJECT("BadDevice", BadDevice)