src/arch/power/utility.hh

   1 /*
   2  * Copyright (c) 2003-2005 The Regents of The University of Michigan
   3  * Copyright (c) 2007-2008 The Florida State University
   4  * Copyright (c) 2009 The University of Edinburgh
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are
   9  * met: redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer;
  11  * redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditions and the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution;
  14  * neither the name of the copyright holders nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * Authors: Korey Sewell
  31  *          Stephen Hines
  32  *          Timothy M. Jones
  33  */
  34
  35 #ifndef __ARCH_POWER_UTILITY_HH__
  36 #define __ARCH_POWER_UTILITY_HH__
  37
  38 #include "base/types.hh"
  39 #include "cpu/static_inst.hh"
  40 #include "cpu/thread_context.hh"
  41
  42 namespace PowerISA {
  43
  44 inline PCState
  45 buildRetPC(const PCState &curPC, const PCState &callPC)
  46 {
  47     PCState retPC = callPC;
  48     retPC.advance();
  49     return retPC;
  50 }
  51
  52 /**
  53  * Function to ensure ISA semantics about 0 registers.
  54  * @param tc The thread context.
  55  */
  56 template <class TC>
  57 void zeroRegisters(TC *tc);
  58
  59 inline void
  60 startupCPU(ThreadContext *tc, int cpuId)
  61 {
  62     tc->activate(0);
  63 }
  64
  65 void
  66 copyRegs(ThreadContext *src, ThreadContext *dest);
  67
  68 static inline void
  69 copyMiscRegs(ThreadContext *src, ThreadContext *dest)
  70 {
  71 }
  72
  73 void skipFunction(ThreadContext *tc);
  74
  75 inline void
  76 advancePC(PCState &pc, const StaticInstPtr inst)
  77 {
  78     pc.advance();
  79 }
  80
  81 } // PowerISA namespace
  82
  83 #endif // __ARCH_POWER_UTILITY_HH__