gem5/src/arch/power/insts/static_inst.cc

74 lines
2.6 KiB
C++

/*
* Copyright (c) 2009 The University of Edinburgh
* Copyright (c) 2013 Advanced Micro Devices, Inc.
* 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: Timothy M. Jones
*/
#include "arch/power/insts/static_inst.hh"
#include "cpu/reg_class.hh"
using namespace PowerISA;
void
PowerStaticInst::printReg(std::ostream &os, int reg) const
{
RegIndex rel_reg;
switch (regIdxToClass(reg, &rel_reg)) {
case IntRegClass:
ccprintf(os, "r%d", rel_reg);
break;
case FloatRegClass:
ccprintf(os, "f%d", rel_reg);
break;
case MiscRegClass:
switch (rel_reg) {
case 0: ccprintf(os, "cr"); break;
case 1: ccprintf(os, "xer"); break;
case 2: ccprintf(os, "lr"); break;
case 3: ccprintf(os, "ctr"); break;
default: ccprintf(os, "unknown_reg");
break;
}
case CCRegClass:
panic("printReg: POWER does not implement CCRegClass\n");
}
}
std::string
PowerStaticInst::generateDisassembly(Addr pc,
const SymbolTable *symtab) const
{
std::stringstream ss;
ccprintf(ss, "%-10s ", mnemonic);
return ss.str();
}