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// -*- mode:c++ -*-
// Copyright .AN) 2007 MIPS Technologies, Inc. All Rights Reserved
// This software is part of the M5 simulator.
// THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING
// DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING
// TO THESE TERMS AND CONDITIONS.
// Permission is granted to use, copy, create derivative works and
// distribute this software and such derivative works for any purpose,
// so long as (1) the copyright notice above, this grant of permission,
// and the disclaimer below appear in all copies and derivative works
// made, (2) the copyright notice above is augmented as appropriate to
// reflect the addition of any new copyrightable work in a derivative
// work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3)
// the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any
// advertising or publicity pertaining to the use or distribution of
// this software without specific, written prior authorization.
// THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B MIPS MAKES NO WARRANTIES AND
// DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR
// OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
// NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE.
// IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT,
// INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF
// ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT,
// THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY
// IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR
// STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE
// POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE.
//Authors: Korey L. Sewell
// Jaidev Patwardhan
////////////////////////////////////////////////////////////////////
//
// Trap instructions
//
output header {{
/**
* Base class for integer operations.
*/
class Trap : public MipsStaticInst
{
protected:
/// Constructor
Trap(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
class TrapImm : public MipsStaticInst
{
protected:
int16_t imm;
/// Constructor
TrapImm(const char *mnem, MachInst _machInst, OpClass __opClass) :
MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
}};
output decoder {{
std::string Trap::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
return "Disassembly of trap instruction\n";
}
std::string TrapImm::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
return "Disassembly of trap instruction\n";
}
}};
def template TrapExecute {{
//Edit This Template When Traps Are Implemented
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
{
//Write the resulting state to the execution context
%(op_wb)s;
//Call into the trap handler with the appropriate fault
return No_Fault;
}
}};
def format Trap(code, *flags) {{
code ='bool cond;\n' + code
code += 'if (cond) {\n'
code += 'fault = new TrapFault();\n};'
iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
exec_output = BasicExecute.subst(iop)
}};
def format TrapImm(code, *flags) {{
code ='bool cond;\n' + code
code += 'if (cond) {\n'
code += 'fault = new TrapFault();\n};'
iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
exec_output = BasicExecute.subst(iop)
}};
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