Adding gem5 source to svn.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

simulators/gem5/src/dev/arm/amba_device.hh

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+/*
+ * Copyright (c) 2010 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * Copyright (c) 2005 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.
+ *
+ * Authors: Ali Saidi
+ */
+
+
+/** @file
+ * This is a base class for AMBA devices that have to respond to Device and
+ * Implementer ID calls.
+ */
+
+#ifndef __DEV_ARM_AMBA_DEVICE_HH__
+#define __DEV_ARM_AMBA_DEVICE_HH__
+
+#include "base/range.hh"
+#include "dev/arm/gic.hh"
+#include "dev/dma_device.hh"
+#include "dev/io_device.hh"
+#include "mem/packet.hh"
+#include "mem/packet_access.hh"
+#include "params/AmbaDevice.hh"
+#include "params/AmbaDmaDevice.hh"
+#include "params/AmbaIntDevice.hh"
+
+namespace AmbaDev {
+
+const int AMBA_PER_ID0 = 0xFE0;
+const int AMBA_PER_ID1 = 0xFE4;
+const int AMBA_PER_ID2 = 0xFE8;
+const int AMBA_PER_ID3 = 0xFEC;
+const int AMBA_CEL_ID0 = 0xFF0;
+const int AMBA_CEL_ID1 = 0xFF4;
+const int AMBA_CEL_ID2 = 0xFF8;
+const int AMBA_CEL_ID3 = 0xFFC;
+
+bool readId(PacketPtr pkt, uint64_t amba_id, Addr pio_addr);
+}
+
+class AmbaDevice : public BasicPioDevice
+{
+  protected:
+    uint64_t ambaId;
+
+  public:
+    typedef AmbaDeviceParams Params;
+    AmbaDevice(const Params *p);
+};
+
+class AmbaIntDevice : public AmbaDevice
+{
+  protected:
+    int intNum;
+    Gic *gic;
+    Tick intDelay;
+
+  public:
+    typedef AmbaIntDeviceParams Params;
+    AmbaIntDevice(const Params *p);
+};
+
+class AmbaDmaDevice : public DmaDevice
+{
+  protected:
+    uint64_t ambaId;
+    Addr     pioAddr;
+    Addr     pioSize;
+    Tick     pioDelay;
+    int      intNum;
+    Gic      *gic;
+
+  public:
+    typedef AmbaDmaDeviceParams Params;
+    AmbaDmaDevice(const Params *p);
+};
+
+
+#endif //__DEV_ARM_AMBA_DEVICE_HH__