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// Copyright (c) 2006-2007 The Regents of The University of Michigan
// 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: Gabe Black
//This delcares the initiateAcc function in memory operations
def template MacroInitiateAcc {{
Fault initiateAcc(%(CPU_exec_context)s *, Trace::InstRecord *) const
{
panic("Tried to execute a macroop directly!\n");
return NoFault;
}
}};
def template MacroCompleteAcc {{
Fault completeAcc(PacketPtr, %(CPU_exec_context)s *,
Trace::InstRecord *) const
{
panic("Tried to execute a macroop directly!\n");
return NoFault;
}
}};
//This template provides the execute functions for a store
def template MacroExecute {{
Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const
{
panic("Tried to execute a macroop directly!\n");
return NoFault;
}
}};
output header {{
class SparcMacroInst : public SparcStaticInst
{
protected:
const uint32_t numMicroops;
//Constructor.
SparcMacroInst(const char *mnem, ExtMachInst _machInst,
OpClass __opClass, uint32_t _numMicroops)
: SparcStaticInst(mnem, _machInst, __opClass),
numMicroops(_numMicroops)
{
assert(numMicroops);
microops = new StaticInstPtr[numMicroops];
flags[IsMacroop] = true;
}
~SparcMacroInst()
{
delete [] microops;
}
std::string generateDisassembly(Addr pc,
const SymbolTable *symtab) const;
StaticInstPtr * microops;
StaticInstPtr
fetchMicroop(MicroPC upc) const
{
assert(upc < numMicroops);
return microops[upc];
}
%(MacroExecute)s
%(MacroInitiateAcc)s
%(MacroCompleteAcc)s
};
class SparcMicroInst : public SparcStaticInst
{
protected:
//Constructor.
SparcMicroInst(const char *mnem,
ExtMachInst _machInst, OpClass __opClass)
: SparcStaticInst(mnem, _machInst, __opClass)
{
flags[IsMicroop] = true;
}
void
advancePC(SparcISA::PCState &pcState) const
{
if (flags[IsLastMicroop])
pcState.uEnd();
else
pcState.uAdvance();
}
};
class SparcDelayedMicroInst : public SparcMicroInst
{
protected:
//Constructor.
SparcDelayedMicroInst(const char *mnem,
ExtMachInst _machInst, OpClass __opClass)
: SparcMicroInst(mnem, _machInst, __opClass)
{
flags[IsDelayedCommit] = true;
}
};
}};
output decoder {{
std::string SparcMacroInst::generateDisassembly(Addr pc,
const SymbolTable *symtab) const
{
std::stringstream response;
printMnemonic(response, mnemonic);
return response.str();
}
}};
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