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/*
* Copyright (c) 2006-2007 The Regents of The University of Michigan
* All rights reserved.
* Copyright 2017 Google Inc.
*
* 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: Gabe Black
*/
#ifndef __ARCH_SPARC_INSTS_STATIC_INST_HH__
#define __ARCH_SPARC_INSTS_STATIC_INST_HH__
#include <cstdint>
#include "base/trace.hh"
#include "cpu/exec_context.hh"
#include "cpu/static_inst.hh"
namespace SparcISA
{
enum CondTest
{
Always=0x8,
Never=0x0,
NotEqual=0x9,
Equal=0x1,
Greater=0xA,
LessOrEqual=0x2,
GreaterOrEqual=0xB,
Less=0x3,
GreaterUnsigned=0xC,
LessOrEqualUnsigned=0x4,
CarryClear=0xD,
CarrySet=0x5,
Positive=0xE,
Negative=0x6,
OverflowClear=0xF,
OverflowSet=0x7
};
extern const char *CondTestAbbrev[];
enum FpCondTest
{
FAlways=0x8,
FNever=0x0,
FUnordered=0x7,
FGreater=0x6,
FUnorderedOrGreater=0x5,
FLess=0x4,
FUnorderedOrLess=0x3,
FLessOrGreater=0x2,
FNotEqual=0x1,
FEqual=0x9,
FUnorderedOrEqual=0xA,
FGreaterOrEqual=0xB,
FUnorderedOrGreaterOrEqual=0xC,
FLessOrEqual=0xD,
FUnorderedOrLessOrEqual=0xE,
FOrdered=0xF
};
/**
* Base class for all SPARC static instructions.
*/
class SparcStaticInst : public StaticInst
{
protected:
using StaticInst::StaticInst;
std::string generateDisassembly(
Addr pc, const SymbolTable *symtab) const override;
static void printMnemonic(std::ostream &os, const char *mnemonic);
static void printReg(std::ostream &os, RegId reg);
void printSrcReg(std::ostream &os, int reg) const;
void printDestReg(std::ostream &os, int reg) const;
void printRegArray(std::ostream &os,
const RegId indexArray[], int num) const;
void advancePC(PCState &pcState) const override;
static bool passesFpCondition(uint32_t fcc, uint32_t condition);
static bool passesCondition(uint32_t codes, uint32_t condition);
size_t
asBytes(void *buf, size_t size) override
{
return simpleAsBytes(buf, size, machInst);
}
};
}
#endif //__ARCH_SPARC_INSTS_STATIC_INST_HH__
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