src/arch/power/isa.hh

   1 /*
   2  * Copyright (c) 2009 The Regents of The University of Michigan
   3  * Copyright (c) 2009 The University of Edinburgh
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are
   8  * met: redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer;
  10  * redistributions in binary form must reproduce the above copyright
  11  * notice, this list of conditions and the following disclaimer in the
  12  * documentation and/or other materials provided with the distribution;
  13  * neither the name of the copyright holders nor the names of its
  14  * contributors may be used to endorse or promote products derived from
  15  * this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef __ARCH_POWER_ISA_HH__
  31 #define __ARCH_POWER_ISA_HH__
  32
  33 #include "arch/generic/isa.hh"
  34 #include "arch/power/registers.hh"
  35 #include "arch/power/types.hh"
  36 #include "base/logging.hh"
  37 #include "cpu/reg_class.hh"
  38 #include "sim/sim_object.hh"
  39
  40 struct PowerISAParams;
  41 class ThreadContext;
  42 class Checkpoint;
  43 class EventManager;
  44
  45 namespace PowerISA
  46 {
  47
  48 class ISA : public BaseISA
  49 {
  50   protected:
  51     RegVal dummy;
  52     RegVal miscRegs[NumMiscRegs];
  53
  54   public:
  55     typedef PowerISAParams Params;
  56
  57     void clear() {}
  58
  59   public:
  60     RegVal
  61     readMiscRegNoEffect(int misc_reg) const
  62     {
  63         fatal("Power does not currently have any misc regs defined\n");
  64         return dummy;
  65     }
  66
  67     RegVal
  68     readMiscReg(int misc_reg)
  69     {
  70         fatal("Power does not currently have any misc regs defined\n");
  71         return dummy;
  72     }
  73
  74     void
  75     setMiscRegNoEffect(int misc_reg, RegVal val)
  76     {
  77         fatal("Power does not currently have any misc regs defined\n");
  78     }
  79
  80     void
  81     setMiscReg(int misc_reg, RegVal val)
  82     {
  83         fatal("Power does not currently have any misc regs defined\n");
  84     }
  85
  86     RegId flattenRegId(const RegId& regId) const { return regId; }
  87
  88     int
  89     flattenIntIndex(int reg) const
  90     {
  91         return reg;
  92     }
  93
  94     int
  95     flattenFloatIndex(int reg) const
  96     {
  97         return reg;
  98     }
  99
 100     int
 101     flattenVecIndex(int reg) const
 102     {
 103         return reg;
 104     }
 105
 106     int
 107     flattenVecElemIndex(int reg) const
 108     {
 109         return reg;
 110     }
 111
 112     int
 113     flattenVecPredIndex(int reg) const
 114     {
 115         return reg;
 116     }
 117
 118     // dummy
 119     int
 120     flattenCCIndex(int reg) const
 121     {
 122         return reg;
 123     }
 124
 125     int
 126     flattenMiscIndex(int reg) const
 127     {
 128         return reg;
 129     }
 130
 131     const Params &params() const;
 132
 133     ISA(const Params &p);
 134 };
 135
 136 } // namespace PowerISA
 137
 138 #endif // __ARCH_POWER_ISA_HH__