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// -*- mode:c++ -*-
// Copyright (c) 2003-2005 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.
////////////////////////////////////////////////////////////////////
//
// Unknown instructions
//
output header {{
std::string inst2string(MachInst machInst);
}};
output decoder {{
std::string inst2string(MachInst machInst)
{
string str = "";
uint32_t mask = 0x80000000;
for(int i=0; i < 32; i++) {
if ((machInst & mask) == 0) {
str += "0";
} else {
str += "1";
}
mask = mask >> 1;
}
return str;
}
std::string
Unknown::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
return csprintf("%-10s (inst 0x%x, opcode 0x%x, binary:%s)",
"unknown", machInst, OPCODE, inst2string(machInst));
}
}};
output exec {{
Fault
Unknown::execute(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
panic("attempt to execute unknown instruction "
"(inst 0x%08x, opcode 0x%x, binary: %s)", machInst, OPCODE, inst2string(machInst));
return new UnimplementedOpcodeFault;
}
}};
def format Unknown() {{
decode_block = 'return new Unknown(machInst);\n'
}};
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