text: /*
   * 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
   */
  
  #include "base/trace.hh"
  #include "debug/AMBA.hh"
  #include "dev/arm/amba_device.hh"
  #include "dev/arm/amba_fake.hh"
  #include "mem/packet.hh"
  #include "mem/packet_access.hh"
  
  const uint64_t AmbaVendor = ULL(0xb105f00d00000000);
  
  AmbaPioDevice::AmbaPioDevice(const Params *p, Addr pio_size)
      : BasicPioDevice(p, pio_size), ambaId(AmbaVendor | p->amba_id)
  {
  }
  
  AmbaIntDevice::AmbaIntDevice(const Params *p, Addr pio_size)
      : AmbaPioDevice(p, pio_size),
        intNum(p->int_num), gic(p->gic), intDelay(p->int_delay)
  {
  }
  
  
  
  AmbaDmaDevice::AmbaDmaDevice(const Params *p)
      : DmaDevice(p), ambaId(AmbaVendor | p->amba_id),
        pioAddr(p->pio_addr), pioSize(0),
        pioDelay(p->pio_latency),intNum(p->int_num), gic(p->gic)
  {
  }
  
  bool
  AmbaDevice::readId(PacketPtr pkt, uint64_t amba_id, Addr pio_addr)
  {
      Addr daddr = pkt->getAddr() - pio_addr;
      if (daddr < AMBA_PER_ID0 || daddr > AMBA_CEL_ID3)
          return false;
  
      pkt->allocate();
  
      int byte = (daddr - AMBA_PER_ID0) << 1;
      // Too noisy right now
      DPRINTF(AMBA, "Returning %#x for offset %#x(%d)\n",
              (amba_id >> byte) & 0xFF,
              pkt->getAddr() - pio_addr, byte);
      assert(pkt->getSize() == 4);
      pkt->set<uint32_t>((amba_id >> byte) & 0xFF);
      return true;
  }
  