src/arch/sparc/vtophys.cc

   1 /*
   2  * Copyright (c) 2002-2005 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  * Authors: Nathan Binkert
  29  *          Steve Reinhardt
  30  *          Ali Saidi
  31  */
  32
  33 #include <string>
  34
  35 #include "arch/sparc/vtophys.hh"
  36 #include "base/chunk_generator.hh"
  37 #include "base/trace.hh"
  38 #include "cpu/thread_context.hh"
  39 #include "mem/vport.hh"
  40
  41 using namespace std;
  42
  43 namespace SparcISA
  44 {
  45     PageTableEntry kernel_pte_lookup(FunctionalPort *mem,
  46             Addr ptbr, VAddr vaddr)
  47     {
  48         PageTableEntry pte(4);
  49         return pte;
  50     }
  51
  52     Addr vtophys(Addr vaddr)
  53     {
  54         return vaddr;
  55     }
  56
  57     Addr vtophys(ThreadContext *tc, Addr addr)
  58     {
  59         return addr;
  60     }
  61
  62
  63     void CopyOut(ThreadContext *tc, void *dest, Addr src, size_t cplen)
  64     {
  65     }
  66
  67     void CopyIn(ThreadContext *tc, Addr dest, void *source, size_t cplen)
  68     {
  69     }
  70
  71     void CopyStringOut(ThreadContext *tc, char *dst, Addr vaddr, size_t maxlen)
  72     {
  73     }
  74
  75     void CopyStringIn(ThreadContext *tc, char *src, Addr vaddr)
  76     {
  77     }
  78 }